S-91223A422 M4 x 16 mm 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and prevents fastener failure under stress
• Precise Class 6g thread fit guarantees smooth assembly and secure fastening with consistent mating components
• Ultra-low socket head profile allows for installation in tight spaces while maintaining maximum drive engagement
• 2.5mm hex drive compatibility provides secure tool engagement and reduces stripping risk during high-torque applications
• Rockwell B70 hardness rating delivers excellent wear resistance and maintains thread integrity through repeated use
• Full regulatory compliance with RoHS 3 and REACH standards ensures environmental safety and global market acceptance

Professional Applications & Engineering Value

These M4 socket head cap screws in 316 stainless steel deliver exceptional performance in demanding industrial settings where corrosion resistance and mechanical reliability are critical. The coarse 0.7mm pitch thread with Class 6g tolerance ensures rapid assembly and vibration resistance in machinery, automotive, and marine applications. The ultra-low head profile combined with the 2.5mm hex drive addresses space-constrained installation challenges while providing superior torque transmission. With 70,000 psi tensile strength and Rockwell B70 hardness, these metric fasteners maintain structural integrity in high-stress environments, reducing maintenance frequency and downtime in production systems.

Specification Summary & Compliance

This socket head cap screw features precise M4 x 0.7mm coarse thread with Class 6g thread fit according to metric standards, ensuring dimensional accuracy and compatibility. The fastener maintains 16mm length with 7mm head diameter and tight tolerance control. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental compliance for industrial distribution and use.