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Explore TSP Manufacturing's journey through our company timeline and meet the expert team driving innovation, quality, and precision in engineered fasteners. CELEBRATING OVER 87 YEARS About Us 1991 TSP’s sister company U.S. Bolt Manufacturing is launched 1994 TSP integrates Supply Chain agreement with Fortune 500 Original Equipment Manufacturer History of our timline 1938 Texas Screw Products (TSP) begins as a Full Line Distributor just north of Downtown Houston 1986 TSP is purchased and brought under the leadership of Walter Negley OUR TEAM John Warren President Christopher Smith General Manager Alex Dundas Operational Research Engineer Norberto Diaz Engineering Manager OUR TEAM Travis Arbing Purchasing Manager Bill Arnold Sales Manager Sandra Aguilar Sales Manager Mirla Fonseca Sales Manager Randy Boatright Accounting Manager Get a quote for your upcoming project CONTACT 1997 TSP becomes ISO 9002-1994 registered 1998 TSP’s laboratory becomes accredited to ISO 17025 OUR TEAM Esvin Gomez Quality Manager Jesus Martinez Quality Control Supervisor Veronica Garcia Quality Assurance Supervisor Jose Medina Warehouse Supervisor 2008 TSP moves to its new location on West 12th Street, Houston Texas 2018 TSP becomes TSP Mfg., a WN Global Company, strengthening its relationship with sister company U.S. Bolt and enhancing the value delivered to the customer 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. 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

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

Survey CUSTOMER SURVEY We value your feedback TSP Manufacturing strives to maintain excellent service to our customers. In order to achieve this goal, we would greatly appreciate your response to the questions below. Company name* Survey completed by:* Email:* Please rate the following aspects of your experience: How would you rate the quality of our products? 1 2 3 4 5 N/A How would you rate our overall customer service? 1 2 3 4 5 N/A How would you rate our response time? 1 2 3 4 5 N/A How would you rate our delivery? 1 2 3 4 5 N/A How would you rate our technical support? 1 2 3 4 5 N/A How would you rate the quality of documentation? 1 2 3 4 5 N/A How easy is the purchasing process with our company? 1 2 3 4 5 N/A We value clear communication with our customers. How would you rate our communication, whether via phone, email, and/or in person? 1 2 3 4 5 N/A Feedback/comments: Thank you in advance for your time and cooperation. SUBMIT

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

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 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 Proof Load Testing A Proof Load Test is a non-destructive mechanical test performed on fasteners to verify that they can safely withstand a specified tensile load without permanent deformation. This test ensures that the fastener meets the strength requirements set by design specifications and industry standards, providing confidence that it will perform reliably under service conditions. How the Test is Performed Specimen Preparation – The fastener is cleaned and mounted in a tensile testing machine. Load Application – A controlled tensile load, typically a percentage of the fastener’s yield strength, is applied along the fastener’s axis. Observation – The fastener is monitored to ensure it does not deform permanently under the applied load. Load Removal – After the specified load is applied and held briefly, it is removed, and the fastener is checked for any signs of permanent elongation or failure. Documentation – Results are recorded to confirm compliance with specifications and traceability for quality assurance. Why It is Performed Proof Load Testing is performed to ensure that fasteners meet their rated strength and can handle service loads safely. By verifying the ability to withstand a specified load without yielding, TSP Manufacturing helps prevent premature failure in critical assemblies. Confirms fasteners meet tensile strength requirements Ensures no permanent deformation under design loads Validates manufacturing and heat-treatment processes Enhances safety and reliability in demanding applications Application to Engineered Fasteners Engineered fasteners are often used in high-stress, safety-critical environments such as aerospace, oil & gas, nuclear, and defense industries. Proof Load Testing ensures that: Fasteners can carry design loads safely without yielding Material and processing integrity are verified Joint reliability and assembly safety are maintained Customer confidence is provided through verified mechanical performance Standards & Compliance At TSP Manufacturing, Proof Load Testing is conducted in accordance with ASTM, ISO, and customer-specific standards . Testing equipment is calibrated regularly, and procedures are performed by trained personnel to ensure consistent, accurate, and traceable results. Compliance with these recognized standards demonstrates our commitment to producing engineered fasteners and machined components that meet the highest levels of quality 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.

Veronica Garcia Quality Assurance Supervisor BIO As Quality Assurance Supervisor at TSP Manufacturing, Veronica Garcia is dedicated to overseeing the implementation of quality systems and ensuring compliance with industry standards. With her strong background in quality assurance and process management, Veronica leads efforts to monitor and improve the quality of the company’s engineered fasteners. She works closely with cross-functional teams to identify areas for improvement, ensuring that each product meets the precise requirements for critical applications. Veronica’s commitment to maintaining excellence in quality is key to TSP Manufacturing’s continued success and reputation for superior products. BACK

testing capabilities Wedge Tensile Testing A Wedge Tensile Test is a specialized variation of axial tensile testing designed specifically for threaded fasteners. By placing a hardened wedge under the head of a bolt during testing, additional bending stress is introduced. This simulates worst-case service conditions where the fastener may be misaligned or subjected to uneven loading. The test measures how well the fastener maintains tensile strength and integrity under this combined stress, making it a critical evaluation for safety-critical applications. How the Test is Performed Specimen Setup – A bolt or fastener is mounted in a tensile testing machine with a hardened wedge placed under its head. Load Application – A controlled axial tensile load is applied while the wedge creates an added bending stress. Monitoring – The fastener is pulled until failure or until a specified load requirement is reached. Observation – The type of failure (thread stripping, head fracture, shank break, etc.) is carefully documented. Result Analysis – Data is compared against design and industry standards to ensure compliance. Why It is Performed The wedge tensile test is performed to confirm that fasteners can withstand tensile and bending stresses simultaneously , ensuring reliability even in less-than-ideal installation or service conditions. Verifies overall tensile strength in a simulated worst-case scenario Detects weaknesses such as improper heat treatment or material flaws Ensures fasteners won’t fail unexpectedly due to misalignment or uneven load Provides added assurance of performance in critical, real-world applications Application to Engineered Fasteners Engineered fasteners used in industries such as aerospace, nuclear, oil & gas, and defense often face complex loading conditions. The wedge tensile test ensures that: Bolt heads and shanks can resist combined stresses without premature failure Thread integrity and material toughness meet customer and industry requirements Fasteners maintain reliability in high-stakes environments where safety is paramount Manufacturing processes and heat treatments are validated through destructive verification Standards & Compliance At TSP Manufacturing, wedge tensile testing is conducted in compliance with ASTM, ISO, and customer-driven specifications . All equipment is calibrated to industry requirements, and tests are performed by trained professionals to ensure accuracy, repeatability, and traceability. By strictly adhering to these standards, we provide our customers with confidence that our engineered fasteners can withstand even the most demanding service conditions. 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 Adjustable Ring Gauge An Adjustable Ring Gauge is a precision measurement tool used to verify the external dimensions of cylindrical components, such as fastener threads or shafts. Unlike fixed gauges, adjustable ring gauges can be calibrated to a range of dimensions, allowing them to measure multiple part sizes with high accuracy. This makes them ideal for quality inspection of engineered fasteners where tight tolerances are critical. How the Inspection is Performed Calibration – The adjustable ring gauge is set to the nominal dimension of the component being inspected, based on design specifications or standards. Component Insertion – The fastener or part is inserted into the gauge to check for proper fit. Verification – If the part fits correctly without excessive play or binding, it meets dimensional specifications. Adjustment – For multiple sizes, the gauge can be recalibrated to the next nominal dimension, allowing efficient inspection of different components. Documentation – Results are recorded to ensure traceability and compliance with quality standards. Why It is Performed Adjustable Ring Gauge inspection ensures that external dimensions, including thread diameters and shank sizes, are within design tolerances. This is critical because even minor deviations can affect assembly, load-bearing capacity, and overall component performance. By using this precise inspection method, TSP Manufacturing guarantees that engineered fasteners meet exacting standards before they leave our facility. Confirms dimensional accuracy of threads, shafts, and cylindrical features Detects out-of-tolerance parts before assembly or use Provides a fast, repeatable method for high-volume inspections Ensures consistent quality across production batches Application to Engineered Fasteners Engineered fasteners rely on precise external dimensions to ensure proper fit and function. Threads must mate correctly with nuts or tapped holes, and shank diameters must conform to design tolerances to maintain strength under load. By using Adjustable Ring Gauge inspections, TSP Manufacturing ensures: Accurate thread and shank dimensions for reliable assembly Conformance to critical tolerances in high-performance applications Consistency across production runs to support customer confidence Enhanced safety and reliability in industries such as aerospace, defense, oil & gas, and nuclear Standards & Compliance TSP Manufacturing conducts Adjustable Ring Gauge inspections in accordance with ASME, ASTM, ISO, and customer-specific standards . Gauges are regularly calibrated, and our quality inspectors are trained to follow strict protocols, ensuring that every measurement is accurate and traceable. This adherence to standards builds credibility and reinforces our commitment to producing engineered fasteners that meet the highest levels of quality and performance. 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.

Lester Burgess Chief Quality Officer BIO Lester Burgess has been with the WN Global family of companies for over 20 years. He has over 40 years’ experience in manufacturing management, metallurgy and quality assurance. Lester chairs ASTM Subcommittee A01.13 on Steel Testing and ASTM Section A01.22.01 on Bolting. He is Vice-Chair of API Subcommittee 21 on Materials and technical lead for API Specifications 20E and 20F. He has authored numerous material and test specifications. Lester is an ASTM Fellow and currently serves as President of the Association of Wellhead Manufacturers (AWHEM). Lester is an American Society for Quality (ASQ) Certified Quality Engineer and sits on the Accreditation Council of the American Association for Laboratory Accreditation (A2LA). Lester is the recipient of many industry awards including the highest award of the ASTM Steel Committee - The Founding Committee Award. Lester studied metallurgy at the University of Rhode Island and holds a BS in Economics (statistics) and MBA from the University of Houston. Lester is an avid reader, musician, and enjoys athletics, especially competing in sprint triathlons. BACK

SERVICING THE CUSTOMER Materials Engineered for Excellence Our engineered fasteners are crafted using a diverse range of high-performance materials, including alloy steels, aluminum, MP35N, nickel alloys, titanium, brass, bronze, copper, PH grades, stainless steel, and more. Designed for exceptional strength, corrosion resistance, and precision tolerances, these fasteners are critical components for demanding industries such as oil & gas, turbomachinery, marine and offshore, nuclear, aerospace, robotics and automation, defense, and space. MATERIALS Explore our materials Alloy Steels A193 B7, B7M, B16 A194 Gr 2H, 2HM, 7, 7M, 8A, 8MA A320 L7, L7M, L43 A354 BC, BD SAE J429 Gr 5, Gr 8 Aluminum Alloy 2024 T4 Alloy 6061 T6 MP35N MP35N Nickel Alloys Hastelloy C-276, C-22, B, G Inconel 600, 601, 625, X750, 718 Incoloy 800H, 925 N0945, N0945X Monel 400, K500 Nickel 200 Nitronic 50, 60 Rene 41 Titanium Gr 2 Gr 5 (6Al-4V) Brass C360 C464 Bronze Manganese Bronze Silicon Bronze Copper Beryllium Copper PH Grades 17-4 Stainless Steel 303 | 304 | 309 | 310 | 316 | 317 | 321 | 330 | 347 410 | 416 | 430 | 440 A286 A453 Gr 660A, 660B, 660D A193 Gr B8 Cl 1, B8 Cl 2, B8M Cl 1, B8M Cl 2 C501 Other Materials Plastics Nylon Stellite 6B Precision for Demanding Industries Supported by our team of metallurgists, engineers, and quality control experts, we deliver reliable supply solutions tailored to meet the most rigorous material specifications. CONTACT Coatings and Platings In partnership with our sister company Subsea Coating Technologies and other Providers; TSP Manufacturing delivers ASTM, ISO, and Customer specified Coatings, Platings, and Surface Treatments. Compliance TSP Manufacturing works to stay fully compliant with all regulations applicable to our product. Many of our customers are required to report Conflict Mineral content. TSP Manufacturing can review customer usage and create a customized report on our Conflict Mineral compliance. Get a quote for your upcoming project CONTACT