S-91760A162 M4 x 25 mm DIN 912, ISO 4762 Alloy Steel Thread-Locking Socket Head Screws

Key Features & Benefits at a Glance

• Secure vibration-resistant locking with integrated nylon patch that maintains integrity across a wide temperature range from -70° to 250°F
• Exceptional strength and durability from alloy steel construction with Rockwell C37 hardness and 170,000 psi tensile strength for heavy-duty applications
• Precise metric threading with Class 5g6g tolerance and M4 x 0.7mm coarse thread profile ensuring reliable engagement and installation
• Optimized socket drive system featuring 3mm hex drive and standard socket head profile for high torque transmission without stripping
• Corrosion-resistant black-oxide finish providing enhanced protection against environmental factors in industrial settings
• Full thread coverage along the entire 25mm length for maximum fastening flexibility and load distribution
• International standard compliance meeting DIN 912/ISO 4762 specifications for global engineering compatibility

Professional Applications & Engineering Value

Engineered for demanding industrial fastening applications, these M4 socket head cap screws deliver exceptional performance where vibration resistance and reliability are critical. The black-oxide alloy steel construction combined with Rockwell C37 hardness ensures superior wear resistance in machinery, automotive assemblies, and precision equipment. The integrated nylon patch thread locker effectively prevents loosening under dynamic loads, eliminating the need for secondary locking mechanisms. With Class 5g6g thread fit and coarse metric threading, these screws provide quick installation and secure fastening in metal-to-metal applications, reducing assembly time while maintaining 170,000 psi tensile strength for structural integrity in high-stress environments.

Specification Summary & Compliance

This metric socket head cap screw features precise M4 x 0.7mm coarse threading with Class 5g6g tolerance and full thread coverage across the 25mm length. Manufactured to DIN 912/ISO 4762 standards with 3mm hex drive compatibility. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. The black-oxide surface treatment and nylon patch locking system meet international specifications for corrosion resistance and vibration-proof fastening performance.