S-93705A534 1/4"-20 x 1/4" 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 vibration resistance with integrated nylon patch thread locker, maintaining secure fastening in dynamic applications from -70° to 250°F
- Exceptional strength and durability from 18-8 stainless steel construction, offering 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty use
- Precise thread engagement with Class 3A thread fit and UNC coarse threads, ensuring reliable installation and reduced cross-threading risks
- Optimized drive performance via 3/16" hex drive and standard socket head profile, providing high torque transmission and flush mounting capability
- Full regulatory compliance with ASME B18.3 specifications, RoHS 3, and REACH standards, guaranteeing safety and environmental responsibility
- Versatile right-hand threading with fully threaded 1/4"-20 design, enabling consistent clamping force across various material thicknesses
Professional Applications & Engineering Value
Engineered for demanding industrial environments, this 18-8 stainless steel socket head cap screw addresses critical challenges in machinery assembly, automotive components, and precision equipment. The nylon patch thread locker effectively counters vibration-induced loosening, eliminating downtime in high-cycle applications. With its Class 3A UNC coarse threads, installation becomes more efficient while maintaining superior thread engagement in softer materials or plated holes. The combination of 70,000 psi tensile strength and corrosion-resistant stainless steel ensures long-term reliability in harsh conditions, from manufacturing fixtures to outdoor enclosures. These socket head cap screws provide engineers with a certified solution that balances mechanical performance with regulatory compliance requirements.
Specification Summary & Compliance
This 1/4"-20 UNC socket head cap screw maintains precision Class 3A thread fit tolerances with coarse thread spacing for optimal performance. Manufacturing strictly adheres to ASME B18.3 specifications for dimensional consistency. The product is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations regarding chemical safety, meeting all current environmental and safety standards for industrial fasteners.
