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Downhole fastening solutions Engineered Fasteners for Critical ESP & Artificial Lift Systems Home / Industries / Oil & Gas / ESP Artificial Lift / Electrical Submersible Pump (ESP) and artificial lift systems operate in some of the most demanding environments in the oil and gas industry. Extreme pressures, elevated temperatures, corrosive fluids, and continuous vibration place extraordinary demands on every component. TSP MANUFACTURING DELIVERS ENGINEERED FASTENERS Manufactured SPECIFICALLY FOR THE RELIABILITY, INTEGRITY, AND LONGEVITY REQUIRED IN CRITICAL ESP AND ARTIFICIAL LIFT APPLICATIONS. APPLICATION FOCUS Engineered for Downhole Reliability Fasteners used in ESP and artificial lift assemblies are not commodity components. They are load-bearing, safety-critical parts that must maintain clamping force and dimensional stability throughout extended service cycles. Our engineered fasteners are developed to support: Continuous high axial and torsional loading Exposure to corrosive well fluids and sour environments Elevated downhole temperatures Vibration, cyclic fatigue, and pressure fluctuations PERFORMANCE ENGINEERING Engineered for Mission-Critical Performance We work closely with ESP and artificial lift OEMs to deliver custom fastening solutions that meet exact application requirements. Capabilities include: Custom bolt, stud, nut, and specialty fastener designs Tight tolerances and controlled thread forms High-strength and corrosion-resistant materials Application-specific heat treatment and surface finishes MATERIALS & METALLURGY Materials for Extreme Environments Material selection is critical in ESP and artificial lift applications. We manufacture fasteners from a wide range of alloys selected to withstand corrosive, high-temperature, and high-pressure environments, including: Alloy steels such as 4140, 4340, 6150, and 8620 Stainless steels and precipitation-hardened grades such as A286, 316, 410, 2205, and 17-4 Nickel alloys such as 718, 725, 925, Monel 400, and Monel K500 MP35N Titanium and other specialty materials QUALITY & TRACEABILITY Controlled Manufacturing & Quality Assurance Fasteners for critical ESP and artificial lift systems demand uncompromising quality control. Our processes are built around repeatability, verification, and documented compliance. Quality practices include: Controlled machining and threading processes Dimensional inspection and verification Mechanical testing and validation as required Full material and process traceability KEY FEATURES Supporting the Full ESP & Artificial Lift System Our engineered fasteners are used throughout ESP and artificial lift assemblies, including: Pump and motor assemblies Couplings and housings Flanges and structural interfaces High-load and high-vibration connections A Trusted Partner for Critical Oil & Gas Applications With experience serving leading ESP and artificial lift manufacturers, TSP Manufacturing is a trusted partner for fasteners used in mission-critical oil and gas equipment. Our focus on engineered solutions, material expertise, and quality assurance helps customers meet the demands of today’s most challenging downhole environments. DOING WHATEVER IT TAKES Ready to discuss your application? Contact our team to review your ESP or artificial lift fastening requirements and learn how our engineered fasteners can support long-term system performance. 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. 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

TSP Mfg. is a Supply Chain Integrator, specializing in Specialty Engineered Fasteners and Precision Machined Components for Critical Industry. Supplying Engineered Fasteners for Over 87 Years We are a Supply Chain Integrator, specializing in Engineered Fasteners and Precision Machining for Critical Industry. VIEW PRODUCTS Search OUR QUALITY API 20E Certification API 20E-0005 API 20F Certification API 20F-0005 Q1 9th Edition Registered Q1 - 2200 ISO 9001:2015 Registered ISO 9001 - 2298 ISO 17025:2017 Accredited 0929.01 ABOUT About TSP Manufacturing TSP Manufacturing is a premier producer of specialty engineered fasteners, precision machine parts, shear product and a comprehensive supply chain integrator to OEM’s in a range of critical industries. We manufacture and distribute products of the highest quality with world-class customer service to ensure a lower total cost of procurement. LEARN MORE OUR PRODUCTS Explore our products LEARN MORE Specialty Engineered Fasteners Machined Components Precision Shear Products Valve Stems OUR SERVICES Explore our services LEARN MORE Technical / Support Services Supply Chain Solutions SUPPLY CHAIN SERVICES Intelligent Inventory Management Our Intelligent Inventory Management program seamlessly automates fastener supply chain, leveraging commercial RFID technology with a user-friendly web interface to exchange real-time data between the supplier & the customer on inventory status LEARN MORE INDUSTRIES WE SERVE Oil & Gas Turbomachinery Marine and Offshore Nuclear Aerospace Robotics and Automation Defense Space Get a quote for your upcoming project 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.

Mirla Fonseca Sales Manager BIO With over a decade of experience in sales, account management, and project leadership, Mirla Fonseca, PMP, is a Specialized Inside Sales Manager at TSP Manufacturing. She brings together deep industry expertise and certified project management capabilities to deliver high-value, strategic solutions tailored to customer needs. Mirla’s background centers on advanced engineered fasteners and components for critical sectors including energy, industrial manufacturing, and infrastructure. Her Project Management Professional (PMP) certification enhances her ability to lead complex client projects with precision—ensuring technical alignment, on-time delivery, and measurable outcomes. Recognized for her collaborative approach and commitment to excellence, Mirla partners closely with customers to understand their objectives, proactively solve challenges, and build lasting relationships. Her professionalism and leadership continue to elevate customer satisfaction and contribute to TSP’s long-term success. BACK

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.

OUR PRODUCTS Standard Products Home / Products / Standard Products / One-Stop Fasteners Source In addition to the engineered parts we provide, TSP Manufacturing offers a comprehensive line of standard engineered and commercial fasteners, allowing us to be a one source provider to our customers. Washers Flat Washers Lock Washers Belleville Washers Beveled Washers Finishing Washers Square Washers Bonded Sealing Washers Hillside Washers Conical Washers Spherical Washers Wave Washers Round-Mall Washers Saddle Washers Screws Machine Screws Sheet Metal Screws Wood Screws Thread Cutting Screws Self-Drilling Screws Lag Screws SEMS Screws Thread Rolling Screws Binding Post Screw Products Thumb screws Drywall Screws Multiple Material Screws Wind Screws Drive Screws Eye Screws Weld Screws Collated Screws Flooring Screws Dowel Screws Roofing Screws Accordion Screws Euro Screws Jack Screws Bolts Cap Screws and Hex Bolts Carriage Bolts Flange Bolts Structural Bolts Tap Bolts Square Head Bolts Heavy Hex Cap Screws Heavy Hex Bolts Ferry Cap Screws U-bolts Plow Bolts Tension Control Bolts Hanger Bolts Elevator Bolts Eye Bolts Connector Bolts Tower Bolts Penta Bolts Step Bolts Coil Bolts Cam and Bolt Connectors J-bolts Timber Bolts Bin Bolts Sidewalk Bolts U-bolt Plates Askew Head Bolts Track Bolts Nuts Hex Nuts Lock Nuts Jam Nuts Heavy Hex Nuts Acorn Nuts Flange Nuts Slotted Nuts Wing Nuts Weld Nuts Coupling Nuts Square Nuts Spring Nuts Tee Nuts Castle Nuts Allen Nuts Cap Nuts High Nuts Cage Nuts Knurled Nuts Acme Nuts Palnuts Security Nuts Handle Nuts Coil Nuts Hurricane Nuts standard products include: NORD-LOCK PRODUCTS Nord-Lock’s Trusted Partner for the Energy Industry TSP Manufacturing is Nord-Lock’s preferred distributor to the energy industry offering prepackaged or custom quantities, and technical product support. LEARN MORE 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. 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. 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

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

SERVICING THE CUSTOMER Oil & Gas Home / Industries / Oil & Gas / Industry Overview Engineered fasteners and components used in the oil & gas industry are critical to ensuring safety, reliability, and efficiency in highly demanding environments. These components are often subject to extreme pressures, temperatures, and corrosive environments, making their design and material selection essential. KEY FEATURES High Strength: Engineered fasteners must handle high loads and stresses, especially in deep-sea or high-pressure drilling environments. Corrosion Resistance: Materials are selected for resistance to harsh conditions, including saltwater, hydrogen sulfide, and other corrosive agents found in drilling and production environments. Extreme Temperature Tolerance: Fasteners are designed to perform reliably under extreme heat or cold. Precision: Tight tolerances ensure a secure fit and minimize risks of failure during operation. WHEN ONLY THE BEST WILL DO Common Applications: Offshore and Subsea Operations: Used in risers, blowout preventers, and subsea trees. Drilling and Exploration Equipment: Fasteners in drill bits, drill string tools, and rigs. Completion and Production Equipment: A range of precisions parts from valve stems to fasteners used in electrical submersible pumps. Pipeline Infrastructure: High-performance nuts and bolts for flange connections in oil and gas pipelines. Refineries and Processing Facilities: Critical components in reactors, heat exchangers, and pressure vessels. Materials: Materials used in engineered fasteners for the oil & gas industry include: Alloy Steels: Known for strength and durability under high stress. Nickel Alloys: Excellent for high temperatures and corrosive environments. Stainless Steel: Offers good corrosion resistance and strength. Titanium: Lightweight and resistant to corrosion, ideal for specialized applications. MP35N: A nickel-cobalt alloy with superior strength and corrosion resistance in sour gas environments. Industry Standards: Engineered fasteners in oil & gas must comply with stringent industry standards, including: API Standards (e.g., API 20E/API 20F for critical application fasteners, API 6A for wellhead and tree equipment). API Q1 for quality management in the petroleum and natural gas industries. AMPP MR0175/ISO 15156 for materials used in sour gas conditions. ASME Standards for pressure vessel and piping applications. The TSP Manufacturing Advantage TSP Manufacturing specializes in providing custom-engineered fasteners designed for critical applications in the oil & gas sector. Our fasteners deliver exceptional reliability to minimize downtime, with customized solutions to meet specific project requirements, and compliance with all relevant industry regulations and standards. 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

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 Hot Heading Hot heading is a manufacturing process used to produce engineered fasteners and components, especially when working with materials that are hard to deform at room temperature. The Hot Heading Process: 1. Material Heating: The metal is heated to a temperature at which it becomes malleable, typically below its melting point. Heating is performed using furnaces, induction heaters, or other methods, depending on the material type (e.g., titanium, nickel alloys). 2. Forming: The heated material is placed into a die and deformed by applying force through a punch. The heat allows the material to flow more easily, making it suitable for forming complex shapes or working with harder metals. 3. Multi-Stage Forming (Optional): Similar to cold heading, multiple stages of deformation may be required for intricate geometries. 4. Post-Process Treatments: The component may undergo further processes such as trimming, threading, heat treatment, or surface finishing to meet final specifications. Advantages of Hot Heading: Material Versatility: Enables forming of high-strength, low-ductility metals like titanium, nickel alloys, and certain stainless steels that are difficult to work with at room temperature. Enhanced Shape Complexity: Allows for the production of parts with complex geometries that cannot be achieved through cold heading alone. Improved Grain Structure: The process can refine the grain structure of the material, enhancing mechanical properties. Applications in Engineered Fasteners: Hot heading is often chosen for fasteners and components that require: Extreme Strength and Durability: Used in aerospace, nuclear, and defense applications where high-performance materials are critical. Corrosion Resistance: Suitable for marine and offshore environments where exposure to saltwater and harsh conditions is a concern. High-Temperature Performance: Ideal for turbomachinery or automotive applications where fasteners must endure elevated temperatures. 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 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

testing capabilities Spectrographic Product Analysis Spectrographic Product Analysis is a precise method used to determine the elemental composition of metals and alloys . By analyzing the spectrum of light emitted from a sample when it is excited by a high-energy source, this technique identifies the presence and concentration of specific elements. For engineered fasteners, this ensures that the material conforms exactly to the required alloy or specification, which is critical for strength, corrosion resistance, and performance. How the Test is Performed Sample Preparation – The fastener or material sample is cleaned to remove contaminants such as oils, coatings, or dirt. Excitation – The sample is exposed to a high-energy source (often an electrical spark or arc) that excites the atoms in the material. Spectral Measurement – The emitted light is captured and analyzed using a spectrometer to determine the types and concentrations of elements present. Comparison to Specifications – Results are compared against the required alloy or material specification to verify compliance. Documentation – Data is recorded and retained for traceability and quality assurance. Why It is Performed Spectrographic Product Analysis is performed to ensure that materials meet strict chemical composition requirements , which directly affect mechanical performance, corrosion resistance, and reliability. This test prevents the use of incorrect or substandard materials that could compromise the safety and effectiveness of engineered fasteners. Confirms alloy composition and grade accuracy Detects impurities or deviations from material specifications Ensures consistent performance and durability Supports regulatory, customer, and industry requirements Application to Engineered Fasteners Engineered fasteners rely on precise material properties to perform under high stress, temperature, and corrosive conditions. Spectrographic Product Analysis ensures that: All fasteners are manufactured from the correct alloys to meet strength and corrosion resistance standards Material consistency is maintained across production batches Customer and regulatory requirements for traceability and quality are satisfied Performance and safety are assured in critical industries such as aerospace, oil & gas, nuclear, and defense Standards & Compliance TSP Manufacturing conducts Spectrographic Product Analysis in accordance with ASTM, ISO, and customer-specific standards . Equipment is regularly calibrated, and testing is performed by trained personnel to guarantee accurate, repeatable, and traceable results. Adherence to these recognized standards demonstrates TSP’s commitment to quality and reliability, ensuring that engineered fasteners and machined components consistently meet the highest industry 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.