S-90854A412 M6 x 55 mm ISO 4017, DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength with Class 10.9 rating and 150,000 psi capacity for reliable performance in demanding applications
• Superior corrosion resistance through zinc yellow-chromate plating that protects against harsh industrial environments
• Optimized thread engagement with coarse 1 mm pitch and Class 6h fit ensuring secure fastening and vibration resistance
• High durability from Rockwell C32 hardness steel construction that withstands heavy loads and repeated use
• Easy installation and removal with external hex drive design providing excellent torque transmission
• Full threading coverage along the 55 mm length for maximum grip strength and distribution of clamping force
• International compliance meeting ISO 4017/DIN 933 specifications for global project compatibility

Professional Applications & Engineering Value

This M6 hex head screw delivers critical engineering solutions where high tensile strength and corrosion resistance are paramount. The Class 10.9 steel construction provides exceptional load-bearing capacity for heavy machinery, structural frameworks, and industrial equipment. The coarse metric thread with 1 mm pitch ensures rapid installation and superior resistance to vibration loosening in dynamic applications. The zinc yellow-chromate plating creates a protective barrier against moisture, chemicals, and environmental factors, significantly extending service life in outdoor or corrosive environments. With full threading along its 55 mm length, this fastener maximizes contact surface area for enhanced joint integrity in construction, automotive assembly, and manufacturing applications where reliability cannot be compromised.

Specification Summary & Compliance

This metric hex head screw features M6 x 1 mm coarse threads with Class 6h thread fit tolerance for precise engagement. The fastener maintains dimensional accuracy per ISO 4017/DIN 933 specifications and is manufactured from Class 10.9 steel with Rockwell C32 hardness. The zinc yellow-chromate plating provides corrosion protection while maintaining compliance with industrial fastener standards. Product meets relevant industry regulations for mechanical properties and material composition.