S-90180A673 M20 x 70 mm ISO 4014, DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 10.9 strength grade and 150,000 psi tensile strength for reliable performance in high-stress environments
• Superior corrosion resistance through blue-dyed zinc plating that provides both aesthetic appeal and long-term protection
• Optimal thread engagement with M20 coarse thread (2.5mm pitch) and Class 6g fit ensuring secure fastening in various materials
• Enhanced torque application thanks to the external hex drive and 30mm head width for easy installation with standard tools
• Controlled fastening depth through partial threading design that prevents over-tightening in precision applications
• Consistent hardness performance with Rockwell C32 rating maintaining structural integrity under repeated loads
• Global compatibility meeting ISO 4014/DIN 931 specifications for international project requirements

Professional Applications & Engineering Value

This M20 hex head screw delivers exceptional engineering value for heavy-duty industrial applications where reliability is paramount. The Class 10.9 steel construction combined with Rockwell C32 hardness ensures these metric bolts withstand extreme mechanical stresses in construction, machinery assembly, and structural frameworks. The blue-dyed zinc plating provides superior corrosion resistance, making these industrial fasteners ideal for environments exposed to moisture and harsh conditions. With coarse thread spacing and partial threading, these screws offer precise control during installation while maintaining high tensile strength for critical connections that cannot compromise on safety or performance.

Specification Summary & Compliance

This hex head screw features precise Class 6g thread fit according to ISO 4014/DIN 931 standards, ensuring dimensional accuracy and interchangeability. The 70mm length with 46mm minimum thread length provides consistent engagement across applications. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and regulatory adherence for global industrial use.