S-96562A936 1/4"-20 x 7/8" ASME B18.6.3 Thread-Locking Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Secure vibration resistance with nylon patch thread locker that maintains locking performance from -70° to 250°F, preventing loosening in dynamic environments
• Superior corrosion resistance through 18-8 stainless steel construction and passivated finish for extended service life in harsh conditions
• Reliable installation and removal with Phillips No. 3 drive and standard pan head design for efficient torque transfer
• Optimized thread engagement featuring UNC coarse Class 2A threads that resist cross-threading and ensure consistent clamping force
• High mechanical strength with 60,000 psi tensile strength and Rockwell B70 hardness for demanding structural applications
• Full-threaded design provides maximum thread contact along the entire 7/8" length for enhanced load distribution
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

These nylon patch locking screws deliver critical vibration resistance in industrial machinery, automotive assemblies, and electronic enclosures where constant motion threatens fastener integrity. The 18-8 stainless steel construction combined with passivated finish provides exceptional corrosion protection in humid or chemical environments, significantly reducing maintenance frequency and replacement costs. The UNC coarse threads with Class 2A fit enable rapid installation while minimizing the risk of cross-threading during high-volume assembly operations. The fully threaded design ensures maximum engagement in both thick and thin materials, making these pan head Phillips screws versatile across various material thicknesses without requiring multiple fastener types.

Specification Summary & Compliance

This 1/4"-20 x 7/8" screw features UNC coarse threads with Class 2A thread fit tolerance for reliable assembly compatibility. Manufacturing conforms to ASME B18.6.3 specifications ensuring dimensional accuracy and performance consistency. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant regarding substance restrictions, meeting international environmental and safety standards for industrial components.