S-93705A540 1/4"-20 x 3/4" ASME B18.3 18-8 Stainless Steel Thread-Locking Socket Head Screws
18-8 Stainless Steel Thread-Locking 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 reducing replacement frequency.
- Reliable vibration resistance provided by the Nylon Patch locking feature, maintaining clamp load integrity in dynamic applications.
- High-strength performance with 70,000 psi tensile strength and Rockwell B70 hardness, ensuring durability under heavy loads.
- Precise thread engagement with Class 3A fit and UNC coarse threads, enabling faster assembly and reduced cross-threading risk.
- Wide temperature tolerance from -70° to 250°F, ensuring consistent performance in varied operational conditions.
- Secure hex drive compatibility using a 3/16" drive, offering high torque transmission and reduced tool slippage.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring quality and environmental safety.
Professional Applications & Engineering Value
This 1/4-20 x 3/4" Socket Head Cap Screw is engineered to address critical industrial challenges, such as vibration-induced loosening and corrosion in demanding settings. The 18-8 Stainless Steel material provides excellent resistance to rust and chemical exposure, making it suitable for machinery, automotive assemblies, and outdoor equipment. Its UNC coarse threads and Class 3A fit ensure quick, reliable installation with minimal risk of stripping, while the Nylon Patch locking technology secures the fastener in high-vibration environments like motors and conveyor systems. Fully threaded and right-hand oriented, it delivers uniform clamping force, enhancing structural integrity in industrial fastening applications where precision and durability are paramount.
Specification Summary & Compliance
This socket head cap screw features a 1/4"-20 UNC coarse thread with a Class 3A fit for precise dimensional accuracy, and it is fully threaded for consistent performance. Manufactured in compliance with ASME B18.3 specifications, it also meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability in industrial use.
