S-96562A935 1/4"-20 x 3/8" ASME B18.6.3 Thread-Locking Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with permanent nylon patch that maintains secure fastening in dynamic environments
• Superior corrosion resistance through 18-8 stainless steel construction and passivated surface treatment
• High-strength performance delivering 60,000 psi tensile strength for demanding industrial applications
• Wide temperature tolerance from -70° to 250°F for reliable operation in extreme conditions
• Precision threading with Class 2A UNC coarse threads ensuring consistent engagement and easy installation
• Optimized drive efficiency through Phillips No. 3 drive design for secure tool engagement
• Full-threaded design providing maximum grip length and uniform stress distribution

Professional Applications & Engineering Value

This nylon patch locking pan head screw addresses critical vibration-induced loosening challenges in industrial equipment, machinery, and automotive assemblies. The permanent nylon patch thread locker creates consistent friction along the UNC coarse threads, eliminating the need for secondary locking components while maintaining 18-8 stainless steel's inherent corrosion resistance. The passivated finish enhances surface durability against chemicals and moisture, making these rounded head screws ideal for harsh environments where reliability is paramount. With fully threaded construction and Class 2A thread fit, installation efficiency improves while ensuring precise alignment in industrial applications requiring repeated maintenance access.

Specification Summary & Compliance

Manufactured to ASME B18.6.3 standards with Class 2A UNC coarse thread tolerances ensuring dimensional precision. Features 1/4"-20 thread size with 3/8" length and Rockwell B70 hardness. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting international safety and sustainability requirements for industrial components.