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MANUFACTURING PROCESSES Heat Treatment: Austenitizing Austenitizing is a critical stage in the heat treatment process, particularly for engineered fasteners and components made from steel and certain alloys. It is the process of heating the material to a temperature where its crystal structure transforms into austenite, a face-centered cubic (FCC) structure that allows for the redistribution of carbon and other alloying elements within the metal. This transformation is essential for subsequent heat treatment steps like quenching and tempering. The Austenitizing Process: 1. Preparation: The fastener or component is cleaned to remove any surface contaminants (oil, grease, or scale) that could interfere with the heat treatment process. 2. Heating to Austenitizing Temperature: The component is heated to a temperature range specific to the material: For carbon steels: Typically between 750°C and 950°C (1382°F to 1742°F). For alloy steels: The temperature varies depending on alloying elements but is generally higher. The goal is to transform the steel’s microstructure from ferrite (body-centered cubic, BCC) and pearlite into austenite (FCC). 3. Soaking: The component is held at the austenitizing temperature for a specific period to ensure uniform heating and complete transformation to austenite. The soaking time depends on the material’s size, composition, and thermal conductivity. 4. Redistribution of Carbon: During austenitizing, carbon and other alloying elements dissolve into the austenite, creating a uniform composition that sets the stage for subsequent heat treatment steps. 5. Cooling (Quenching): After austenitizing, the component is rapidly cooled (quenched) to lock in the desired microstructure, such as martensite, which provides high strength and hardness. Key Considerations for Austenitizing in Fastener Manufacturing: Material Selection: Not all materials can be austenitized; it is most effective for steels and specific alloys designed for heat treatment. Controlled Atmosphere: Using vacuum or inert gases (e.g., argon or nitrogen) prevents oxidation and decarburization during heating. Post-Treatment Inspection: Fasteners are inspected for hardness, microstructure, and dimensional stability after heat treatment to ensure quality. Benefits of Austenitizing for Fasteners: Uniform Microstructure: Austenitizing ensures that carbon and alloying elements are evenly distributed, providing consistent properties throughout the fastener. Improved Strength: Austenite transforms into martensite upon quenching, greatly enhancing the fastener’s hardness and strength. Customizable Properties: By controlling the austenitizing temperature and time, manufacturers can tailor the fastener’s properties to meet specific application requirements. Foundation for Toughness: Subsequent tempering processes build on the martensitic structure formed after austenitizing, balancing hardness and ductility. Applications in Engineered Fasteners: Austenitizing is a fundamental step in producing fasteners with enhanced mechanical properties, including: Bolts and Screws: High-strength bolts used in aerospace, automotive, and structural applications. Threaded Rods and Studs: Components requiring high tensile strength and wear resistance. Critical Fasteners: Custom fasteners used in extreme environments, such as oil & gas, nuclear power, and turbomachinery. Challenges in Austenitizing: Temperature Control: Precise control of temperature is crucial; overheating can lead to grain growth, weakening the fastener, while underheating may result in incomplete transformation. Decarburization: If not done in a controlled atmosphere (e.g., vacuum or inert gas), carbon can be lost from the surface, reducing the fastener’s strength. Quenching Cracks: Improper quenching after austenitizing can cause thermal stresses and cracking, especially in larger or more complex fasteners. Cold Heading Hot Heading EDM Milling Turning Swiss Machining Drilling Roll Threading Cut Threading Broaching Heat Treatment Austenitizing Tempering Normalizing Stress Relieving Grinding Polishing Dot Peen Marking Laser Marking MANUFACTURING Explore our manufacturing capabilities OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT

Explore TSP Manufacturing’s precision-engineered shear screws, designed for reliable control in critical applications. OUR PRODUCTS Precision Shear Products Home / Products / Shear Screws / Experts in Specialized Shear Products TSP Manufacturing holds over 25 years in manufacturing & testing of custom precision shear screws, pins and components. We maintain verifiable control of raw material, machining, and testing of shear products, providing the highest quality and traceability to our customers. WHEN ONLY THE BEST WILL DO Key Advantages of TSP Manufacturing's Precision Shear Products Extensive Experience: Over 25 years of expertise in manufacturing and testing custom precision shear screws and pin products. Raw Material Control: Verifiable control of raw material machining and testing ensures consistent quality. High Performance: Products are engineered to perform as intended in specific applications. Rigorous Quality Checks: Thorough testing in our certified lab guarantees adherence to precise specifications. Customer-Centric Compliance: Products are tailored to meet customers' unique and stringent requirements. OUR PRODUCTS Explore other products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Valve Stems Learn more about our Engineered Valve Stems, designed for demanding applications requiring exceptional strength, durability, and precision. Get a quote for your upcoming project CONTACT EXCELLENCE IN MANUFACTURING Quality, Materials, and Engineering Solutions Quality Learn more about how we deliver the highest Quality Engineered Fasteners & Components for custom-designed products Materials Learn more about our manufacturing material capabilities for our Engineered Fasteners & Components Services Learn more about our product support and supply chain solutions for our customers Engineered Fastener & Components Contact our product specialists today CONTACT

MANUFACTURING PROCESSES Cold Heading Cold heading is a manufacturing process used to create engineered fasteners and components by forming metal without the application of heat. The Process of Cold Heading: 1. Material Selection: Typically, ductile metals like alloy steels, stainless steel, aluminum, titanium, and nickel alloys are chosen for cold heading due to their malleability. 2. Wire Preparation: A metal wire, which serves as the raw material, is cut to the desired length, often referred to as a “slug.” 3. Cold Forming: The wire or slug is inserted into a die and subjected to high-pressure force using a punch. The metal deforms plastically to take the shape of the die and punch, without requiring heating beyond room temperature. 4. Multiple Stages (Optional): Complex fasteners or components may require several stages of heading, where the part is progressively shaped into the desired geometry. 5. Trimming and Threading: Excess material is trimmed, and threads or other detailed features are added if needed. 6. Heat Treatment and Coating (Post-Process): While cold heading itself avoids heating, parts may undergo heat treatment after forming to enhance strength or other properties. Surface coatings can be applied for added corrosion resistance. Advantages of Cold Heading: Strength: The process aligns the grain structure of the material, enhancing the mechanical properties of the fasteners. Precision: It allows for tight tolerances, critical for engineered components used in demanding applications. Cost-Effectiveness: Material wastage is minimized compared to machining, and the process is highly efficient for mass production. Surface Finish: Produces a smooth surface, reducing the need for additional finishing operations. Applications in Engineered Fasteners: Cold heading is particularly suited for producing high-performance fasteners used in industries like: Aerospace and Defense: For lightweight, high-strength components. Oil & Gas and Marine: For corrosion-resistant fasteners exposed to harsh environments. Automotive and Robotics: For precision-engineered fasteners that require tight tolerances. Cold Heading Hot Heading EDM Milling Turning Swiss Machining Drilling Roll Threading Cut Threading Broaching Heat Treatment Austenitizing Tempering Normalizing Stress Relieving Grinding Polishing Dot Peen Marking Laser Marking MANUFACTURING Explore our manufacturing capabilities OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT

Learn how TSP Manufacturing upholds the highest quality standards with rigorous testing, certifications, and a commitment to precision in every fastener we produce. SERVICING THE CUSTOMER Our Quality Our Quality Assurance TSP Manufacturing provides Quality Control through our fully implemented ISO 9001:2015 Quality Management System and A2LA 17025 accredited testing laboratory. TESTING PROCEDURES Explore our testing capabilities Non-Destructive Examination (NDE) Liquid Penetrant Test (LPT) Ultrasonic Test (UT) Magnetic Particle Test (MT) Eddy Current Test Dimensional Inspection Digital Optical Comparator Adjustable Ring Gauge Plug Gauge Mechanical Testing Hardness Test Shear Test Slow Strain Tensile Test Creep Test Axial Tensile Test Wedge Tensile Test Proof Load Test Breaking Torque Test Charpy Test Metallographic & Chemistry Testing Positive Material Identification (PMI) Spectrographic Product Analysis X-Ray Cleanliness Test Macrostructure Microstructure Grain Size OUR QUALITY API 20E Certification API 20E-0005 VIEW The API 20E certification is a standard developed by the American Petroleum Institute (API) that specifies the requirements for the qualification, production, and documentation of alloy and carbon steel bolting materials used in the petroleum and natural gas industries. This certification ensures that bolting materials meet stringent quality and performance criteria, including material traceability, manufacturing processes, and testing protocols. It is particularly focused on bolting used in critical applications where safety, reliability, and compliance are essential. Companies achieving this certification demonstrate adherence to industry best practices for producing high-quality bolting components. API 20F Certification API 20F-0005 VIEW The API 20F certification is a standard issued by the American Petroleum Institute (API) that defines the requirements for the manufacturing, qualification, and documentation of corrosion-resistant bolting materials for use in the petroleum, petrochemical, and natural gas industries. It ensures that bolting materials, such as those made from stainless steel and nickel alloys, meet rigorous standards for performance, reliability, and resistance to corrosive environments. This certification covers aspects like material traceability, heat treatment, mechanical testing, and quality control processes. Achieving API 20F certification signifies compliance with industry best practices for producing bolting suitable for critical applications. Q1 9th Edition Registered Q1 - 2200 VIEW The API Q1 Registered certification is a quality management standard developed by the American Petroleum Institute (API) specifically for organizations that manufacture products or provide services for the petroleum and natural gas industries. It establishes stringent requirements for quality management systems, focusing on product reliability, risk management, and process efficiency. API Q1 certification emphasizes key elements such as management responsibility, operational controls, supplier management, and continuous improvement. Companies holding this certification demonstrate their commitment to meeting industry-specific quality standards, ensuring consistent product and service performance in critical energy sector applications. ISO 9001:2015 Registered ISO 9001 - 2298 VIEW The API QMS Registered certification signifies that an organization has implemented a robust Quality Management System (QMS) meeting API's specific requirements for the petroleum, natural gas, and petrochemical industries. This certification ensures compliance with recognized standards, such as API Spec Q1 or API Spec Q2, depending on the organization's operations. It emphasizes quality control, risk management, process efficiency, and continual improvement. Holding API QMS certification demonstrates a company's commitment to delivering reliable products and services while adhering to the highest industry standards for quality and operational excellence. ISO 17025:2017 Accredited 0929.01 VIEW The A2LA Accreditation certificate is issued by the American Association for Laboratory Accreditation (A2LA), a globally recognized organization that provides accreditation services to testing and calibration laboratories, inspection bodies, proficiency testing providers, and product certification bodies. This accreditation demonstrates that an organization meets international standards, such as ISO/IEC 17025 for laboratories or ISO/IEC 17020 for inspection bodies, ensuring technical competence, reliable results, and adherence to best practices. The A2LA accreditation is a mark of excellence that assures customers and stakeholders of the quality, integrity, and accuracy of an organization's testing or certification services. OUR LABORATORY TSP Manufacturing + WN Global Laboratory In collaboration with our parent company, TSP Manufacturing has exclusive access to in-house A2LA 17025 accredited laboratory capabilities through the WN Global Laboratory. Get a quote for your upcoming project CONTACT

John Warren President BIO John Warren is the President of WN Global and TSP Mfg., where he leads the company’s strategic growth and operational excellence across advanced manufacturing solutions serving the global energy and industrial sectors. With more than 35 years of international leadership experience, he has built a reputation for transforming organizations, strengthening commercial performance, and aligning engineered products with the rigorous technical and compliance needs of customers who design, build, and operate critical equipment across the energy value chain. A seasoned global executive, John has worked across four continents—including the United States, West Africa, Scandinavia, and Australasia—where he has driven both operational efficiency and commercial expansion. His deep understanding of upstream oil and gas, industrial manufacturing, and power‑generation applications enables him to bridge technical capability with real‑world customer challenges in demanding environments. Before joining the WN Global family of companies, John served as Senior Business Development Manager for a major international oilfield services manufacturer. In this role, he strengthened the company’s market position and expanded commercial opportunities across Australia, New Zealand, and Papua New Guinea. His success in building partnerships with key operators in these regions reflected both his commercial acumen and his ability to position engineered solutions to meet evolving market and regulatory requirements. John began his career as a mechanical engineer, a foundation that continues to define his leadership approach. His progression through roles in engineering, sales, operations, technology, and business development has given him a rare combination of technical rigor and commercial insight—an asset in an industry where performance, reliability, and safety standards are non‑negotiable. He excels at aligning manufacturing capability with customer expectations around quality, traceability, compliance, and delivery performance. Throughout his career, John has been an active contributor to industry thought leadership. He is a member of both the Society of Petroleum Engineers (SPE) and the International Association of Drilling Contractors (IADC). He has co‑authored multiple SPE technical papers and holds several U.S. patents for innovations that have advanced performance and safety in energy‑sector applications. His contributions to engineering innovation earned him the prestigious Hart’s Award for Innovation. John holds a Bachelor of Science in Mechanical Engineering from Colorado State University and has completed executive programs at Texas A&M University. BACK

Christopher Smith General Manager BIO Christopher Smith oversees the complete supply chain development at TSP Manufacturing, managing purchasing, inventory, outside processing, and warehouse operations. Since joining the company in 2011 as Purchasing Manager, he has played a key role in optimizing procurement strategies and streamlining supply chain efficiencies. With over 30 years of experience in sales and purchasing within the specialized fastener manufacturing industry, Christopher brings deep industry knowledge and a results-driven approach to ensuring seamless operations and strong supplier relationships. BACK

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SERVICING THE CUSTOMER Robotics and Automation Home / Industries / Robotics and Automation / Industry Overview Engineered fasteners and components are essential to the robotics and automation industry, where precision, durability, and adaptability are critical for ensuring reliable and efficient operation. These components must meet the unique demands of dynamic systems that require tight tolerances, high performance, and flexibility for a wide range of applications. KEY FEATURES High Precision: Fasteners must ensure secure and exact fits to maintain system alignment and functionality. Durability: Components are designed to withstand repetitive motion, high-speed operations, and varying loads over extended periods. Lightweight Design: Many robotics applications prioritize lightweight materials to optimize efficiency and reduce power consumption. Corrosion and Wear Resistance: Fasteners are built to endure environmental factors, such as humidity, dust, and chemicals, while maintaining long service life. WHEN ONLY THE BEST WILL DO Common Applications: Industrial Robots: Fasteners are used in robotic arms, joints, and end effectors, ensuring reliable motion and load handling. Automation Equipment: Includes conveyor systems, pick-and-place machines, and assembly lines that require high-speed, precise fastening solutions. Collaborative Robots (Cobots): Lightweight and ergonomic fasteners are critical for enhancing safety and flexibility in human-robot interaction. Electronics and Sensors: Miniature fasteners secure delicate components in sensor systems and control units. 3D Printers and CNC Machines: Ensure rigidity and stability in dynamic operational environments. Materials: The materials used for fasteners in robotics and automation are selected for their strength, precision, and resistance to wear, including: Stainless Steel: Offers corrosion resistance and strength for a wide range of applications. Aluminum: Lightweight and durable, ideal for reducing system weight without compromising performance. Titanium: Combines strength, lightweight properties, and resistance to wear, making it suitable for high-end applications. Plastics and Composites: Used for non-conductive and lightweight requirements in specific environments. Industry Standards: Fasteners for robotics and automation must adhere to various industry standards for quality and performance, such as: ISO Standards for manufacturing and material properties. DIN Standards for metric fasteners in automation equipment. RoHS Compliance for environmental and safety considerations. Industry-specific guidelines for applications such as semiconductor manufacturing or medical robotics. The TSP Manufacturing Advantage TSP Manufacturing provides custom-engineered fasteners designed to meet the complex demands of robotics and automation systems. Our fasteners are crafted for precision, durability, and reliability, enabling seamless integration into advanced mechanical and electronic systems. By using cutting-edge materials and manufacturing techniques, we deliver solutions that optimize performance, minimize downtime, and meet the unique challenges of this dynamic industry. OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. Valve Stems Learn more about our Engineered Valve Stems, designed for demanding applications requiring exceptional strength, durability, and precision. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT Get a quote for your upcoming project CONTACT

MANUFACTURING PROCESSES Polishing Polishing is a finishing process used in the manufacturing of engineered fasteners and components to enhance their surface appearance, smoothness, and sometimes functional properties. It involves the removal of surface imperfections, such as scratches, tool marks, or oxidation, to achieve a smooth or reflective finish. The Polishing Process: 1. Preparation: The fastener or component is cleaned to remove any dirt, grease, or debris that could interfere with the polishing process. Surface defects like burrs or sharp edges may be addressed through preliminary processes like deburring or grinding. 2. Abrasive Action: Abrasive materials, such as polishing wheels, belts, or compounds, are used to remove surface material in a controlled manner. The abrasives vary in coarseness, starting with a coarse grit to remove larger imperfections and progressing to finer grits for a smoother finish. 3. Buffing: A softer polishing tool or buffing wheel is used with polishing compounds to achieve a high-gloss or mirror-like finish. 4. Final Cleaning: The polished component is cleaned again to remove any residue from the polishing compounds. Types of Polishing Techniques: 1. Mechanical Polishing: Uses rotating polishing tools, such as wheels, pads, or belts, to smooth the surface. Ideal for achieving a consistent finish on flat or cylindrical surfaces. 2. Electropolishing: A chemical and electrochemical process that removes a thin layer of material to improve surface finish and corrosion resistance. Often used for stainless steel and other corrosion-resistant alloys. 3. Hand Polishing: Performed manually using abrasives and polishing compounds for small or complex-shaped components. Example of Polishing in Practice: Material: Stainless steel bolt for marine use. Pre-Polishing Steps: The bolt undergoes machining and grinding to achieve the desired dimensions. Polishing Process: A polishing belt with decreasing grit sizes smooths the surface. The bolt is buffed with a polishing compound for a mirror-like finish. Outcome: The polished bolt has enhanced corrosion resistance, an aesthetically pleasing appearance, and smoother threads for easy assembly. Advantages of Polishing for Fasteners: Improved Appearance: Polishing provides a bright, reflective finish that enhances the aesthetic value of fasteners. Enhanced Functionality: Smoother surfaces reduce friction and improve ease of assembly. Corrosion Resistance: Removes surface irregularities that could trap moisture or contaminants, enhancing longevity. Versatility: Effective on various metals and alloys, accommodating a wide range of applications. Applications in Engineered Fasteners: Aesthetic Enhancement: Polishing improves the visual appeal of fasteners, making them suitable for applications where appearance matters, such as architectural or decorative uses. Corrosion Resistance: Polishing reduces surface roughness and removes contaminants, enhancing resistance to corrosion in harsh environments (e.g., marine, aerospace). Reduced Friction: Smooth surfaces reduce friction during assembly and operation, improving performance and preventing galling in threaded fasteners. Hygienic Applications: Polishing is critical for fasteners used in medical, food, or pharmaceutical equipment to minimize bacterial accumulation on surfaces. Materials Suitable for Polishing: Stainless steels Titanium and titanium alloys Nickel-based alloys (e.g., Inconel) Brass, bronze, and copper Aluminum Challenges in Polishing: Material Removal: Excessive polishing can alter critical dimensions, particularly in precision fasteners. Labor Intensity: Manual polishing can be time-consuming for small or complex parts. Surface Uniformity: Achieving consistent finishes on intricate shapes can be challenging. Cost: High-quality polishing processes can increase manufacturing costs. Cold Heading Hot Heading EDM Milling Turning Swiss Machining Drilling Roll Threading Cut Threading Broaching Heat Treatment Austenitizing Tempering Normalizing Stress Relieving Grinding Polishing Dot Peen Marking Laser Marking MANUFACTURING Explore our manufacturing capabilities OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT

MANUFACTURING PROCESSES Dot Peen Marking Dot Peen Marking is a precise, high-speed method used to permanently mark metal components, making it highly suitable for engineered fasteners and critical components. Unlike traditional die stamping, Dot Peen marking creates indented or raised patterns by a controlled pin that strikes the surface, allowing for flexible, durable, and high-contrast markings directly on the part. The Dot Peen Marking Process: Dot Peen Marking uses a computer-controlled stylus to indent the metal surface with a series of dots, forming characters, logos, or traceability codes. Key steps include: 1. Material Preparation: Components such as bolts, screws, washers, or brackets (commonly steel, stainless steel, aluminum, or brass) are cleaned and positioned for marking. 2. Tooling Setup: The Dot Peen marking system is programmed with the desired text, symbols, or codes. The marking stylus is aligned to the exact location on the component. 3. Marking Operations: The stylus creates a series of dots on the metal surface, forming permanent marks. Marking types include: Part Numbers & Serial Codes: Ensures traceability and inventory tracking. Logos & Branding: Adds company or product identifiers directly on the fastener. Specifications: Marks material grade, size, or compliance information. 4. Final Processing: After marking, components may undergo secondary processes such as deburring, coating, or inspection to meet quality standards. Enhancements in Dot Peen Technology: CNC Integration: Automated positioning allows precise placement on small or irregular components. High-Speed Marking: Modern systems achieve faster cycle times for large production runs. Flexible Materials: Can mark a wide range of metals, including hardened or coated surfaces. Automation: Robotic handling systems improve consistency, reduce labor, and integrate with production lines. Advantages of Dot Peen Marking: Permanent Identification: Marks are durable and resistant to wear, corrosion, and heat. Precision & Clarity: High-resolution marking ensures legible, repeatable results. Versatility: Can mark flat, curved, or irregular surfaces without additional tooling. Cost Efficiency: Eliminates the need for custom dies for each mark, reducing setup costs. Traceability & Compliance: Supports industry standards for part identification and quality control. Applications in Engineered Fasteners: Dot Peen Marking is widely used for marking critical components where traceability, compliance, and branding are essential. Applications include: Flat Fasteners: Washers, clips, and retaining rings marked with part numbers or logos. Threaded Fasteners: Bolts, screws, and studs marked before or after threading for identification. Custom Components: Brackets, flanges, or assemblies requiring specification or serial numbers. Traceability Marks: Batch numbers, heat codes, or certification information for quality assurance. Structural Components: Reinforcements and subassemblies marked for installation or inspection purposes. Limitations Surface Depth Restrictions: Extremely thin or soft materials may not retain deep marks. Speed vs. Complexity: Highly detailed marks may require slower marking speeds. Cold Heading Hot Heading EDM Milling Turning Swiss Machining Drilling Roll Threading Cut Threading Broaching Heat Treatment Austenitizing Tempering Normalizing Stress Relieving Grinding Polishing Dot Peen Marking Laser Marking MANUFACTURING Explore our manufacturing capabilities OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT

testing capabilities Hardness Test A Hardness Test is a method of measuring a material’s resistance to deformation, indentation, or scratching. In manufacturing, hardness is closely tied to strength, wear resistance, and durability—critical properties for engineered fasteners and machined components. Various hardness scales (such as Rockwell, Brinell, or Vickers) are used depending on the material and application, providing precise data to ensure that parts meet design and performance requirements. How the Test is Performed Preparation – The fastener or component surface is cleaned to remove oils, coatings, or debris that could affect accuracy. Indenter Application – A controlled load is applied using a standardized indenter (such as a steel ball or diamond cone). Measurement – The depth or size of the indentation is measured, then compared against the appropriate hardness scale. Repeatability – Multiple tests can be performed on different areas of the component to confirm consistency. Documentation – Results are recorded to provide traceable data for quality assurance and compliance. Why It is Performed Hardness testing is performed to ensure that materials and finished fasteners possess the necessary strength and durability for demanding applications. A fastener that is too soft may deform or wear prematurely, while one that is too hard may become brittle and prone to cracking. By verifying hardness, TSP Manufacturing ensures that every part meets the performance balance required for safety and reliability. Confirms material strength and durability Verifies heat treatment and manufacturing processes Prevents premature wear, deformation, or failure in service Ensures consistency across production runs Application to Engineered Fasteners Engineered fasteners often operate under extreme loads, vibration, and environmental stress. Their hardness level directly affects how they perform over time, especially in industries such as aerospace, oil & gas, defense, and nuclear power. By applying hardness testing, TSP Manufacturing ensures: Correct material properties for strength and toughness Verification of heat-treated fasteners to confirm proper hardness levels Prevention of failure modes related to excessive softness or brittleness Confidence in product performance for safety-critical applications Standards & Compliance TSP Manufacturing performs hardness testing in accordance with ASTM, ISO, and customer-specific standards , using properly calibrated equipment and certified procedures. Our inspectors are trained to ensure accuracy, consistency, and traceability across all test results. By adhering to these recognized standards, we reinforce customer confidence and demonstrate our commitment to delivering engineered fasteners and machined components that meet the highest quality expectations. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications.

MANUFACTURING PROCESSES Turning Turning is a widely used machining process for producing engineered fasteners and components. It is a subtractive manufacturing process where a cutting tool removes material from a rotating workpiece to create cylindrical shapes or other specific geometries. The Turning Process: 1. Workpiece Setup: A cylindrical raw material (such as a rod or bar) is clamped onto a lathe or CNC turning machine. Common materials include alloy steels, stainless steels, titanium, aluminum, nickel alloys, and other high-performance metals. 2. Rotation: The workpiece is rotated at high speeds around its central axis. 3. Tool Engagement: A single-point cutting tool is positioned against the rotating workpiece to remove material. The cutting tool is fed along the axis of rotation (longitudinal turning) or radially (facing) to achieve the desired dimensions and shapes. 4. CNC Control (Optional): For precision, CNC (Computer Numerical Control) lathes are used to automate and control the turning process, enabling complex shapes and tight tolerances. 5. Post-Processing: After turning, components may undergo threading, drilling, deburring, heat treatment, or coating depending on requirements. Types of Turning: Straight Turning: Produces uniform cylindrical shapes. Taper Turning: Creates tapered surfaces by adjusting the tool angle. Thread Turning: Cuts external or internal threads onto a fastener. Grooving: Forms grooves or undercuts in the workpiece. Facing: Produces flat surfaces on the end of the workpiece. Profiling: Creates complex contours and profiles. Advantages of Turning: Precision: Achieves tight tolerances, essential for critical components. Versatility: Can produce cylindrical parts with various profiles, threads, and grooves. Surface Finish: Provides smooth finishes that may reduce the need for additional polishing. Material Compatibility: Works well with a wide range of metals, including hardened alloys. Applications in Engineered Fasteners: Turning is ideal for manufacturing fasteners and components that require high precision and specific geometries. Applications include: Bolts and Screws: Used to form the threads and shafts of precision bolts, screws, and studs. Nuts: Internal threads are machined for custom nuts. Bushings and Sleeves: Cylindrical components with tight tolerances. Threaded Inserts: Used in aerospace, robotics, and other high-performance applications. Custom Fasteners: Specialty fasteners with unique profiles or geometries. Limitations Material Waste: Being a subtractive process, turning generates scrap material. Complexity: Intricate shapes may require additional operations or more advanced multi-axis CNC machines. Time-Intensive: For high-volume production, processes like cold or hot heading might be more efficient. Cold Heading Hot Heading EDM Milling Turning Swiss Machining Drilling Roll Threading Cut Threading Broaching Heat Treatment Austenitizing Tempering Normalizing Stress Relieving Grinding Polishing Dot Peen Marking Laser Marking MANUFACTURING Explore our manufacturing capabilities OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT