S-93810A612 M12 x 40 mm ISO 4017, DIN 933 Super-Corrosion-Resistant High-Strength Bumax 88 Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with premium Bumax 88 stainless steel construction for long-lasting performance in harsh environments
• Superior mechanical strength with 110,000 psi tensile strength to withstand high-stress applications and prevent fastener failure
• Reliable coarse thread engagement with M12x1.75mm Class 6g threads for faster assembly and reduced cross-threading risks
• Optimized drive performance through external hex head design providing maximum torque transfer and secure installation
• Full thread coverage along the 40mm length ensures consistent clamping force distribution across the entire fastener
• International standard compliance with ISO 4017/DIN 933 specifications guarantees dimensional accuracy and interchangeability
• Environmental regulation adherence meeting RoHS 3 and REACH requirements for safe use in regulated industries

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these Bumax 88 stainless steel hex head screws deliver exceptional performance where corrosion resistance and structural integrity are paramount. The M12 coarse pitch threading (1.75mm) combined with Class 6g tolerance ensures rapid installation in structural steelwork, heavy machinery, and marine equipment while maintaining vibration resistance. The fully threaded design provides uniform stress distribution across the entire 40mm length, eliminating weak points in critical assemblies. With external hex drive compatibility, these metric hex bolts offer superior torque transmission for high-tension fastening applications in chemical processing, offshore platforms, and infrastructure projects where reliability cannot be compromised.

Specification Summary & Compliance

This hex head screw features precise Class 6g thread fit according to ISO 4017/DIN 933 standards, ensuring dimensional accuracy and interchangeability. The manufacturing process adheres to strict quality controls for metric thread specifications with M12 diameter, 1.75mm pitch, and 40mm length. Regulatory compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) requirements, making these fasteners suitable for environmentally conscious industrial applications across global markets.