S-91223A425 M4 x 30 mm 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction, ideal for chemical processing and marine applications
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Precise, secure fastening ensured by Class 6g thread fit, providing consistent engagement and vibration resistance
• Space-saving ultra-low profile head with a 1.3 mm height for applications with limited clearance
• Easy installation and removal using a standard 2.5 mm hex key, minimizing tool slip and head stripping
• Full thread engagement along the entire 30 mm length for maximum grip and uniform stress distribution
• Compliance with strict environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries

Professional Applications & Engineering Value

This M4 socket head cap screw is engineered to solve critical challenges in industrial fastening where space constraints, corrosion, and mechanical stress are primary concerns. The ultra-low profile socket head allows for installation in compact assemblies without compromising accessibility, while the 316 stainless steel material provides excellent resistance to chemicals, saltwater, and extreme temperatures, preventing failure in demanding environments. With a coarse 0.7 mm pitch and Class 6g thread, it offers quick assembly and reliable holding power, reducing the risk of loosening under vibration. Ideal for machinery, electronics, and automotive applications, this fully threaded screw ensures uniform clamping force, enhancing the durability and safety of your equipment.

Specification Summary & Compliance

This metric screw features an M4 x 0.7 mm coarse thread with a Class 6g thread fit for precise dimensional accuracy. It adheres to standard metric specifications, including a head diameter tolerance of -0.127 mm to 0.127 mm. The product is manufactured to comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.