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testing capabilities Macrostructure Examination Macrostructure Examination is a metallurgical test that evaluates the large-scale structure of a material , typically visible to the naked eye or under low magnification (up to ~10x). It reveals important characteristics such as grain flow, segregation, inclusions, laps, seams, or weld quality. For engineered fasteners and machined components, this test confirms that the underlying material integrity is suitable for demanding applications where strength and reliability are critical. How the Test is Performed Sample Preparation – A cross-section of the fastener or material is cut, polished, and sometimes etched with a chemical reagent to highlight structural features. Visual or Low-Magnification Examination – The prepared surface is examined under adequate lighting or a low-power microscope. Structural Assessment – Inspectors look for discontinuities such as cracks, porosity, segregation, or flow lines. Comparison to Standards – Findings are compared against established metallurgical standards or customer specifications. Documentation – Results are recorded and archived for traceability and quality assurance. Why It is Performed Macrostructure Examination is performed to ensure that the base material or final component does not contain large-scale flaws that could affect safety, performance, or durability. Detects inclusions, laps, seams, and cracks not visible externally Evaluates grain flow and structural soundness Confirms forging, heat treatment, and welding quality Prevents failures in service by identifying material defects early Application to Engineered Fasteners Engineered fasteners require uniform structural integrity to perform in high-stress and safety-critical environments. Macrostructure Examination ensures that: Grain flow is optimized to support strength and fatigue resistance in forged fasteners Material discontinuities are identified before components enter service Heat treatment and manufacturing processes have achieved the desired structural results Customer and industry requirements for metallurgical quality are met for applications in aerospace, nuclear, oil & gas, and defense Standards & Compliance TSP Manufacturing performs Macrostructure Examinations in accordance with ASTM E381, ASTM E340, ISO standards, and customer-specific requirements . All testing is carried out by trained personnel using calibrated equipment, ensuring consistent, accurate, and traceable results. This adherence to rigorous standards underscores TSP’s commitment to delivering engineered fasteners and machined components with verified material integrity and the highest level of quality assurance. 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 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

Alex Dundas Operational Research Engineer BIO Alex joined WN Global sister company U.S. Bolt Manufacturing in 2014 as a Manufacturing Engineer. After earning a master’s degree in Operational Research, Alex joined TSP Manufacturing in 2023. As an Operational Research Engineer at TSP Manufacturing, Alex combines analytical expertise with a deep understanding of manufacturing systems to drive efficiency and innovation. With a passion for problem-solving, Alex specializes in optimizing production workflows, enhancing quality control processes, and leveraging data to inform strategic decisions. BACK

MANUFACTURING PROCESSES Roll Threading Roll threading is a highly efficient and widely used method for producing threads on engineered fasteners and components. Unlike cut threading, roll threading forms threads by displacing material rather than removing it, which results in stronger threads with superior surface finish and fatigue resistance. The Roll Threading Process: 1. Preparation: A cylindrical blank (typically slightly smaller than the finished diameter of the thread) is prepared. The material must be ductile enough to deform without cracking, such as alloy steels, stainless steels, or titanium. 2. Thread Rolling Dies: Specialized thread rolling dies are used to create the thread profile. These dies can be: Flat Dies: Two flat, hardened dies squeeze the blank as it passes between them, forming the thread. Cylindrical Dies: Two or three cylindrical dies rotate around the blank to form threads. Planetary Dies: Multiple smaller dies rotate around the blank for high-speed production. 3. Thread Forming: The blank is fed into the dies, and high pressure is applied to displace the material into the thread shape. The process is typically performed at room temperature (cold forming), although warm or hot threading may be used for particularly hard materials. 4. Finishing: Threads are inspected for dimensional accuracy, pitch, and surface quality. Secondary processes, such as coating or heat treatment, may follow. Why Use Roll Threading for Fasteners? High Strength and Durability: Threads created by rolling are more resistant to fatigue and wear, making them ideal for critical applications. Efficiency for Mass Production: Roll threading can produce thousands of fasteners quickly with consistent quality. Cost Savings: Despite higher initial tooling costs, the reduced material waste and longer tool life make roll threading cost-effective in the long run. Advantages of Roll Threading: Stronger Threads: The material’s grain structure is compressed and aligned along the thread, improving strength and fatigue resistance. Improved Surface Finish: The forming process creates smooth, burr-free threads, reducing stress concentrations. Efficiency: Roll threading is faster and produces less waste compared to cut threading. Material Savings: No material is removed, resulting in near-net-shape threads. Longer Tool Life: Dies used in roll threading typically last longer than cutting tools. Applications in Engineered Fasteners: Roll threading is commonly used for fasteners that require strength, durability, and precision. Applications include: Bolts and Screws: High-strength threaded fasteners for aerospace, automotive, and industrial uses. Studs and Rods: Threaded rods used in construction, oil & gas, and machinery. Custom Fasteners: Non-standard or specialty threads for critical applications. Medical Components: Precision threads for implants or surgical instruments. Limitations Material Restrictions: Requires ductile materials that can deform under high pressure. High Initial Cost: Custom thread rolling dies can be expensive to manufacture. Limited Thread Profiles: Not all thread geometries can be rolled (e.g., very coarse threads or custom profiles). Preform Requirements: The blank must be pre-machined to specific dimensions before threading. 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 Broaching Broaching is a machining process used in the production of engineered fasteners and components to create precise internal or external features, such as keyways, splines, slots, or specific profiles. It involves a toothed cutting tool, called a broach, which removes material in a single pass, creating highly accurate shapes with excellent surface finishes. The Broaching Process: 1. Setup: The workpiece (e.g., a fastener or component) is securely clamped or held in a fixture to ensure stability during the broaching process. 2. Tool Design: The broach is a multi-tooth cutting tool with a progressively larger cutting profile. Each tooth removes a small amount of material, gradually shaping the workpiece. 3. Cutting Motion: The broach is either pushed or pulled through or across the workpiece. The motion can be linear (common in most broaching) or rotary, depending on the feature being produced. 4. Material Removal: Each tooth of the broach removes a layer of material, with the last tooth producing the final dimension and surface finish. 5. Completion: The polished component is cleaned again to remove any residue from the polishing compounds. Types of Broaching: 1. Internal Broaching: Used to machine internal features, such as keyways, splines, or hexagonal holes. Common in fasteners like socket-head screws, where precision internal profiles are critical. 2. External Broaching: Used to shape external surfaces, such as flat edges, splines, or gear teeth. Suitable for components like drive shafts or splined bolts. 3. Rotary Broaching: Produces internal or external features with rotational symmetry, such as hexagonal or square recesses. Frequently used for hex socket bolts and other specialty fasteners. 4. Surface Broaching: Removes material from a flat or contoured surface. Can be used to create complex geometries or profiles on fastener heads. Example of Broaching in Practice: Material: Stainless steel fastener. Pre-Polishing Steps: Hexagonal socket for an Allen wrench. Process: The fastener blank is positioned on the broaching machine. A hexagonal broach is pushed through the pre-drilled hole in a single pass. The finished socket has precise dimensions and a smooth finish. Outcome: The fastener is ready for use in applications requiring precision assembly and reliable torque transmission. Advantages of Broaching for Fasteners: High Precision: Achieves tight tolerances and accurate dimensions, critical for fastener performance. Excellent Surface Finish: Provides smooth finishes, often eliminating the need for secondary finishing. Efficiency: Produces complex shapes in a single pass, reducing cycle times. Versatility: Capable of creating a wide variety of internal and external profiles. Consistency: Ideal for high-volume production, ensuring uniformity across multiple components. Applications in Engineered Fasteners: Socket-Head Cap Screws: Internal broaching is used to form the hexagonal socket for Allen keys. Spline Bolts: External broaching creates the spline profiles required for high-torque applications. Custom Profiles: Produces unique head shapes or recesses for tamper-resistant fasteners. Precision Keyways: Internal broaching machines keyways in fasteners or components used in assembly with shafts or couplings. Challenges in Broaching: Tool Wear: Broaches are subject to wear and require periodic sharpening or replacement. Initial Cost: Custom broaches can be expensive to design and manufacture. Material Limitations: Hard or tough materials may require specialized broaches and equipment, increasing complexity. Setup Time: Preparing the machine and aligning the workpiece can be time-intensive for small production runs. Why Broaching is Essential: Broaching is indispensable in manufacturing engineered fasteners and components that demand high precision, repeatability, and complex profiles. Its ability to produce intricate shapes efficiently makes it a vital process for industries requiring advanced fasteners, from aerospace to medical and beyond. 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 Cleanliness Test A Cleanliness Test is a quality inspection method used to determine the level of contaminants—such as oils, grease, machining residues, metal shavings, or foreign particles—present on a manufactured component. For engineered fasteners and precision-machined parts, even trace contamination can affect performance, assembly, or long-term reliability, making cleanliness verification a critical part of the quality process. How the Test is Performed Sample Preparation – The fastener or machined component is handled under controlled conditions to prevent outside contamination. Extraction of Contaminants – Solvents, ultrasonic agitation, or pressurized fluids are used to dislodge surface and embedded particles from the part. Collection & Filtration – Dislodged contaminants are collected and passed through a fine filter. Analysis – The particles and residues are measured by weight, size, or count using gravimetric, microscopic, or spectrographic methods. Evaluation Against Standards – Results are compared to customer or industry-defined cleanliness requirements. Why It is Performed Cleanliness Testing is performed to ensure that fasteners and machined components meet strict contamination-free requirements that protect assembly quality, performance, and durability. Prevents assembly issues such as galling, seizing, or torque misapplication Reduces risk of corrosion or premature wear caused by foreign particles Ensures compatibility with lubricants, coatings, and protective finishes Meets customer requirements for industries where contamination can cause system failure, such as aerospace, oil & gas, and defense Application to Engineered Fasteners Engineered fasteners often operate in demanding environments where any contamination can compromise safety and performance. Cleanliness Testing ensures that: Threads are free of foreign matter , ensuring accurate torque and preload during installation Critical surfaces are contaminant-free to support coatings, platings, and corrosion protection systems Fasteners meet customer cleanliness specifications , which are especially stringent in aerospace, nuclear, and defense applications Product integrity and reliability are maintained from manufacturing through installation Standards & Compliance TSP Manufacturing performs Cleanliness Testing in accordance with industry standards such as ISO 16232, VDA 19, and customer-specific cleanliness requirements . Testing equipment is maintained and calibrated, and results are fully documented for traceability. This adherence to recognized cleanliness standards reinforces TSP’s commitment to delivering engineered fasteners and machined components that meet the highest levels of quality, safety, and reliability. 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.

testing capabilities Charpy Impact Testing The Charpy Impact Test is a standardized method used to measure a material’s toughness , or its ability to absorb energy and resist fracture under sudden impact. The test evaluates how a material behaves when subjected to a high-strain-rate load, which is critical for engineered fasteners that may experience shock, vibration, or rapid loading during service. How the Test is Performed Specimen Preparation – A notched sample of the material or component is cut to standard dimensions and carefully prepared. Mounting – The specimen is positioned horizontally in a Charpy testing machine on two supports. Impact Loading – A pendulum hammer is released to strike the specimen at the notch, causing it to fracture. Energy Measurement – The machine measures the energy absorbed by the material during fracture, which reflects its impact toughness. Result Recording – The energy absorbed and fracture characteristics are documented for analysis. Why It is Performed Charpy Impact Testing is performed to ensure that materials and fasteners can withstand dynamic and sudden loads without brittle failure. It is especially important for components used in low-temperature, high-vibration, or shock-prone environments. Evaluates material toughness and fracture resistance Detects brittleness that could lead to sudden failure Confirms suitability for high-impact or dynamic applications Ensures safety and reliability in critical assemblies Application to Engineered Fasteners Engineered fasteners are often subjected to sudden loads, vibration, or shock in industries such as aerospace, defense, oil & gas, and energy . Charpy Impact Testing ensures that: Fasteners resist brittle fracture under impact conditions Material selection and heat treatment achieve required toughness Performance and reliability are maintained in demanding applications Critical joints remain safe even under dynamic or emergency loading conditions Standards & Compliance TSP Manufacturing performs Charpy Impact Testing in accordance with ASTM, ISO, and customer-specific standards . All equipment is calibrated and operated by trained professionals to ensure accuracy, repeatability, and traceability. Compliance with these recognized standards provides confidence that our engineered fasteners and machined components meet the highest levels of quality, toughness, and reliability. 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 Electrical Discharge Machining (EDM) Electrical Discharge Machining (EDM) is a highly precise manufacturing process used to create complex shapes and fine details in engineered fasteners and components. The EDM Process: 1. Setup: A workpiece (conductive material) is submerged in a dielectric fluid (e.g., deionized water or oil). A tool electrode (usually made of graphite, copper, or brass) is positioned close to the workpiece without touching it. 2. Electric Discharge: A controlled electrical current is applied between the electrode and the workpiece. This creates a spark that erodes a tiny portion of the workpiece material. 3. Material Removal: Thousands of sparks occur per second, removing material layer by layer. The dielectric fluid flushes away debris and cools the work area. 4. Precision Control: CNC (Computer Numerical Control) systems are often used to guide the electrode, enabling precise and repeatable machining. Types of EDM: Sinker EDM: Uses a shaped electrode to “sink” into the material, ideal for creating cavities and complex 3D shapes. Wire EDM: Uses a thin wire as the electrode to cut intricate profiles, commonly used for parts requiring fine tolerances and sharp corners. Limitations Slow Material Removal Rate: Not ideal for high-volume production. Cost: More expensive compared to traditional machining for large, simple parts. Conductive Materials Only: Limited to materials that conduct electricity. Advantages of EDM: Complex Geometries: Can create intricate shapes, fine features, and internal cavities that are difficult or impossible to achieve with traditional machining. High Precision: Allows for extremely tight tolerances, often down to microns. Material Versatility: Can work with hard-to-machine materials like titanium, Inconel, and hardened steels. No Mechanical Stress: Since it’s a non-contact process, there’s no physical force exerted on the workpiece. Applications in Engineered Fasteners: EDM is especially useful for fasteners and components that require: Intricate Details: Ideal for manufacturing custom, non-standard fasteners with unique shapes. Tight Tolerances: Critical in aerospace, robotics, and defense industries where precision is paramount. Hard Materials: Suitable for fasteners made from high-strength alloys that are challenging to machine conventionally. Prototyping: Useful for creating prototypes and low-volume production runs of specialty 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

MANUFACTURING PROCESSES Heat Treatment: Normalizing Normalizing is a heat treatment process that enhances the uniformity of microstructure and mechanical properties in engineered fasteners and components. It is primarily used to refine grain size, improve machinability, and prepare the material for subsequent processing steps. This process involves heating the material to a temperature above its critical range, followed by air cooling, resulting in a more consistent and desirable microstructure. The Normalizing Process: 1. Heating: The fastener or component is heated to a temperature above the upper critical point (typically between 830°C and 950°C or 1526°F to 1742°F for steels, depending on the alloy). At this temperature, the microstructure transforms to austenite. 2. Soaking: The component is held at the normalizing temperature for a sufficient time to allow for complete transformation and homogenization of the austenite structure. The duration depends on the material thickness and composition. 3. Cooling: The component is removed from the furnace and allowed to cool in still air at room temperature. The cooling rate is slower than quenching but faster than annealing, producing a refined and uniform microstructure, typically a mixture of ferrite and pearlite in steels. Effects of Normalizing: Grain Refinement: The process refines the grain size, enhancing the toughness and strength of the material. Stress Relief: Internal stresses caused by previous manufacturing processes (such as forging or rolling) are relieved, reducing the risk of distortion during machining. Uniform Microstructure: Normalizing produces a uniform and predictable microstructure, improving the material’s overall properties. Improved Machinability: The resulting microstructure makes the material easier to machine and work with. Example of Normalizing in Fastener Manufacturing: 1. Material: Low-carbon steel (e.g., 1020 steel). 2. Heating: The steel bolt is heated to 900°C (1652°F). 3. Tempering: The bolt is held at this temperature for 30 minutes to ensure complete transformation. 4. Cooling: The bolt is air-cooled, resulting in a fine-grained ferrite and pearlite structure. 5. Outcome: The bolt has improved toughness and machinability, making it suitable for further shaping or heat treatment. Advantages of Normalizing for Fasteners: Enhanced Toughness: The refined grain structure improves toughness, making the fasteners less prone to brittle failure. Dimensional Stability: Components experience reduced warping or distortion during machining or further processing. Consistent Mechanical Properties: Normalizing ensures a uniform distribution of mechanical properties throughout the fastener. Reduced Cost: As air cooling is used, normalizing is more cost-effective than quenching processes that require special cooling media. Applications in Engineered Fasteners: Pre-Processing Step: Normalizing is often performed before further heat treatments, such as quenching and tempering, to ensure uniform properties. Fasteners with Complex Shapes: Bolts, screws, and studs with intricate designs benefit from reduced residual stresses and enhanced dimensional stability. Critical Components: Fasteners for high-stress applications, such as in aerospace, nuclear, and turbomachinery, rely on normalizing for consistent mechanical properties. Challenges in Normalizing: Oxidation and Scaling: Surface oxidation can occur during heating unless the process is performed in a controlled atmosphere. Limited Hardening: Normalizing does not produce the same level of hardness as quenching. Material-Specific Parameters: The process must be tailored to the specific material and component requirements for optimal results. Why Normalizing is Essential: Normalizing is a foundational heat treatment process that enhances the reliability and performance of engineered fasteners. By producing a refined and uniform microstructure, it prepares the fasteners for subsequent machining and heat treatment processes, ensuring they meet the demanding requirements of industries such as aerospace, automotive, and energy. 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 Breaking Torque Testing A Breaking Torque Test measures the torque required to cause failure of a fastener, typically a bolt, screw, or nut. This test evaluates the strength and performance of threaded components under rotational stress and ensures that the fastener can meet or exceed design requirements. Breaking torque is a critical indicator of both material quality and manufacturing consistency, providing confidence that the fastener will perform reliably in service. How the Test is Performed Specimen Preparation – The fastener is cleaned and installed in a calibrated torque testing machine. Torque Application – Rotational force is applied gradually until the fastener either strips, fractures, or otherwise fails. Monitoring – The applied torque is measured continuously, and the point of failure is recorded. Result Recording – Maximum torque at failure is documented, along with observations about the mode of failure. Analysis – Results are compared to design and industry standards to ensure compliance. Why It is Performed Breaking Torque Testing is performed to confirm that fasteners can resist rotational forces encountered during installation or in-service conditions. It ensures that threads, material properties, and fastener design are sufficient to prevent stripping, galling, or catastrophic failure. Verifies threaded component strength under torque Detects material or manufacturing defects affecting performance Ensures safe assembly and proper load transfer Provides data to support engineering validation and quality assurance Application to Engineered Fasteners Engineered fasteners are frequently subjected to torque during assembly, maintenance, and service. Accurate breaking torque data ensures: Proper installation without over-torquing that could damage components Material and thread integrity under applied loads Reliable performance in critical applications such as aerospace, oil & gas, nuclear, and defense Prevention of joint failure due to thread stripping or component fracture Standards & Compliance TSP Manufacturing conducts Breaking Torque Testing in accordance with ASTM, ISO, and customer-specific standards . All testing equipment is calibrated to industry requirements, and tests are performed by qualified personnel to ensure accuracy, repeatability, and traceability. Adhering to these recognized standards demonstrates our commitment to delivering engineered fasteners and machined components that meet the highest levels of performance, reliability, and safety. 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.

Contact CONNECT WITH US TSP Manufacturing 3303 West 12th Street, Houston, TX 77008 713-230-2500 info@tsp-mfg.com How can we help? Our fastener experts, quality engineers, and manufacturing team are ready to assist with your project. For general inquiries, please complete our contact form. Alternatively, feel free to contact our team directly for personalized assistance with your next project. Telephone: 713-230-2500 Email: info@tsp-mfg.com Bill Arnold Sales Manager CONTACT Sandra Aguilar Sales Manager CONTACT Mirla Fonseca Sales Manager CONTACT SERVICING THE CUSTOMER CONTACT FORM Tell us about your next project Contact Form FIRST NAME* LAST NAME* EMAIL* COMPANY NAME MESSAGE* File upload Upload File Submit

testing capabilities Shear Test A Shear Test measures the ability of a material or fastener to resist forces that cause sliding failure along a plane parallel to the applied force. Unlike tensile testing, which pulls a component apart lengthwise, shear testing evaluates how well a fastener or component can withstand lateral or transverse forces. This property is critical for fasteners used in assemblies where loads are not purely axial but involve side-to-side stresses. How the Test is Performed Preparation – The fastener or specimen is mounted in a shear fixture designed for the test. Application of Force – A controlled load is applied by a testing machine, exerting force across the fastener’s cross-section or shear plane. Monitoring – The load is increased gradually until the fastener or specimen fails by shearing. Recording Results – The maximum load carried before failure is measured and converted into shear strength data. Analysis – Results are compared against design requirements and material specifications. Why It is Performed Shear testing ensures that fasteners can perform safely and reliably under service conditions where lateral or shear forces are present. It is particularly important for components in rotating machinery, aerospace structures, and heavy industrial applications, where failure in shear could compromise both equipment integrity and safety. Confirms shear strength meets design specifications Verifies material selection and heat-treatment processes Prevents premature failures in shear-critical applications Provides confidence in safety and performance under real-world conditions Application to Engineered Fasteners Engineered fasteners are frequently subjected to shear forces in bolted joints, couplings, and assemblies. For example, bolts used in turbomachinery, aerospace, or defense systems may experience both tensile and shear loads simultaneously. By conducting shear testing, TSP Manufacturing ensures: Fasteners meet shear strength requirements for critical industries Proper material performance under both axial and transverse loads Prevention of catastrophic joint failures in service Reliable performance for safety-critical applications in oil & gas, aerospace, nuclear, and defense sectors Standards & Compliance At TSP Manufacturing, shear testing is performed in compliance with ASTM, ISO, and customer-specific standards to ensure consistent, repeatable, and verifiable results. Our testing equipment is regularly calibrated, and procedures are carried out by trained professionals, ensuring accuracy and traceability. This rigorous approach demonstrates our commitment to delivering engineered fasteners and machined components that meet the highest levels of performance and reliability. 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.