S-91280A315 M12 x 160 mm ISO 4014, DIN 931 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior load-bearing capacity with Class 8.8 strength rating and 110,000 psi tensile strength for reliable performance in demanding applications
• Enhanced durability and wear resistance thanks to Rockwell C21 hardness steel construction that withstands industrial stresses
• Optimized thread engagement with M12 coarse threading (1.75mm pitch) and Class 6g fit for faster assembly and vibration resistance
• Secure torque transmission through standard 19mm external hex head design for easy installation with common tools
• Versatile partial threading (36mm min thread length) providing both threaded engagement and smooth shank for precise clamping applications
• Full regulatory compliance meeting ISO 4014/DIN 931 manufacturing standards plus RoHS 3 and REACH environmental regulations
• Corrosion-resistant black finish offering basic protection while maintaining dimensional accuracy for consistent performance

Professional Applications & Engineering Value

This M12 hex head screw delivers exceptional engineering value through its Class 8.8 steel construction and metric coarse threading, specifically designed to address common industrial fastening challenges. The partially threaded design combines the benefits of secure threaded engagement with unthreaded shank stability, making it ideal for applications requiring precise clamp load distribution. With 110,000 psi tensile strength and Rockwell C21 hardness, this fastener maintains integrity under heavy loads and vibration, solving durability concerns in machinery assembly, structural frameworks, and equipment manufacturing. The external hex drive ensures reliable torque application while the black protective coating provides basic corrosion resistance for indoor industrial environments. Engineered to ISO 4014/DIN 931 standards, this hex cap screw offers predictable performance and interchangeability across global manufacturing operations.

Specification Summary & Compliance

This metric fastener features precise Class 6g thread fit tolerance with M12 x 1.75mm coarse pitch right-hand threading and partial threading (minimum 36mm thread length). The 160mm length hex head screw maintains dimensional accuracy per ISO 4014/DIN 931 specifications with 19mm head width and 7.7mm head height. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. The Class 8.8 strength rating confirms consistent mechanical properties meeting international fastener standards for reliable performance in engineering applications.