S-91223A436 M5 x 40 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
• Enhanced mechanical reliability from 70,000 PSI tensile strength and Rockwell B70 hardness, ensuring long-term performance under load
• Space-saving installation with ultra-low socket head profile, perfect for compact assemblies and restricted clearance applications
• Precise thread engagement with Class 6g thread fit and coarse 0.8mm pitch, providing secure fastening and reduced cross-threading risk
• Easy torque application using standard 3mm hex drive, enabling efficient assembly and disassembly with common tools
• Regulatory compliance assurance meeting RoHS 3 and REACH standards, suitable for global industrial supply chains
• Full-threaded design offering consistent gripping strength along the entire 40mm length for uniform load distribution

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these M5 socket head cap screws in 316 stainless steel deliver exceptional performance where corrosion resistance and mechanical integrity are critical. The ultra-low profile head solves space constraints in precision equipment, machinery, and automotive assemblies, while the coarse 0.8mm pitch thread ensures rapid installation and vibration resistance. With Class 6g thread fit precision, these fasteners prevent loosening in high-stress environments, making them ideal for marine, chemical processing, and food-grade equipment where reliability and compliance with RoHS and REACH standards are mandatory for operational safety and longevity.

Specification Summary & Compliance

This metric socket head cap screw features M5 x 0.8mm coarse threads with Class 6g tolerance for precise fit, manufactured from 316 stainless steel with Rockwell B70 hardness and 70,000 PSI tensile strength. The ultra-low profile head design maintains an 8.5mm diameter with tight tolerance control. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial fastener applications.