S-91280A755 M12 x 180 mm ISO 4014, DIN 931, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior load-bearing capability with Class 8.8 strength rating and 110,000 PSI tensile strength for reliable performance in demanding applications
• Enhanced corrosion resistance through zinc plating, extending service life in harsh industrial environments
• Optimized thread engagement with coarse 1.75 mm pitch and Class 6h thread fit ensuring secure fastening and vibration resistance
• Robust material performance featuring Rockwell C21 hardness for excellent wear resistance and durability
• Easy installation and removal with standard 19 mm external hex head design compatible with common tools
• Versatile partial threading allowing for both clamping and alignment functions in various assembly scenarios
• Full regulatory compliance meeting international ISO 4014/DIN 931 standards while being RoHS 3 and REACH compliant

Professional Applications & Engineering Value

This M12 hex head screw delivers exceptional engineering value through its Class 8.8 steel construction and precision metric coarse threading. The combination of 110,000 PSI tensile strength and Rockwell C21 hardness addresses critical industrial requirements for components that withstand heavy loads and repetitive stress. The zinc plated finish provides essential corrosion protection in manufacturing facilities, construction sites, and outdoor applications where environmental exposure is a concern. With its partially threaded design and 180mm length, this fastener offers superior clamping force distribution while maintaining alignment accuracy in structural assemblies, machinery frames, and equipment mounting applications. The external hex drive ensures reliable torque transmission during installation, reducing the risk of stripping and ensuring consistent performance across production runs.

Specification Summary & Compliance

Manufactured to precise ISO 4014 and DIN 931 specifications, this hex head screw maintains Class 6h thread fit tolerances for consistent engagement. The metric coarse thread (M12 x 1.75 mm) with right-hand direction follows international standards for interchangeability. The fastener demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety. Manufacturing adheres to ISO 898 mechanical properties requirements, guaranteeing the specified Class 8.8 strength grade and dimensional accuracy throughout production.