S-92196A034 4-40 x 1 3/4" ASME B18.3 18-8 Stainless Steel Socket Head Screws
18-8 Stainless Steel Socket Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
- High tensile strength of 70,000 psi ensures secure, vibration-resistant fastening in demanding applications.
- Precise Class 3A thread fit provides excellent engagement and reduces the risk of cross-threading during assembly.
- Hex socket drive design allows for high torque application and easy installation in confined spaces.
- Coarse UNC threading enables quick assembly and disassembly, improving maintenance efficiency.
- Full thread coverage along the 1 3/4" length offers consistent clamping force and versatile positioning.
- Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards are met.
Professional Applications & Engineering Value
This 4-40 UNC thread socket head cap screw is engineered to address critical fastening challenges in industrial settings. The 18-8 stainless steel material provides excellent resistance to corrosion and oxidation, making it suitable for applications in machinery, automotive, and electronics where exposure to moisture or chemicals is common. The Class 3A thread fit and coarse thread spacing ensure reliable performance in high-vibration environments, reducing the need for frequent retightening. With a Rockwell B70 hardness and 70,000 psi tensile strength, it offers durability under heavy loads, while the hex drive style facilitates efficient installation with standard tools, minimizing assembly time and labor costs in production lines.
Specification Summary & Compliance
This socket head cap screw features a 4-40 UNC thread with Class 3A fit for precise dimensional accuracy, and is manufactured in accordance with ASME B18.3 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety standards for industrial use.
