S-91310A530 M8 x 16 mm ISO 4017, DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior load-bearing capacity with 150,000 psi tensile strength for critical structural applications
• Exceptional durability provided by Rockwell C32 hardness steel construction
• Reliable fastening performance through Class 10.9 strength grade certification
• Quick installation and removal with standard 13mm external hex head design
• Optimal thread engagement with M8 coarse pitch (1.25mm) for vibration resistance
• Full-length threading ensures maximum grip strength across the entire 16mm length
• Global compliance meeting ISO 4017 standards for international project specifications

Professional Applications & Engineering Value

These M8 hex head screws deliver exceptional engineering value in demanding industrial environments where vibration resistance and structural integrity are paramount. The Class 10.9 steel construction provides reliable performance in heavy machinery, automotive assemblies, and construction applications where high tensile strength is required to withstand dynamic loads and stress. The coarse thread pitch (1.25mm) ensures rapid installation while maintaining superior holding power, reducing assembly time without compromising safety. The fully threaded design offers consistent clamping force along the entire fastener length, making these metric screws ideal for applications requiring uniform pressure distribution and maximum joint security.

Specification Summary & Compliance

This M8 x 1.25mm hex head screw features precision Class 6g thread fit tolerance for consistent mating with standard nuts and threaded components. Manufactured to ISO 4017 specifications (equivalent to DIN 933) with 16mm length and right-hand thread direction. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial and commercial applications worldwide.