S-94863A206 M8 x 25 mm ISO 4017, DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 10.9 strength grade and 150,000 psi tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance provided by the black protective coating, extending service life in demanding industrial environments
• Optimized thread engagement with Class 6h thread fit and coarse 1.25mm pitch ensuring secure fastening and vibration resistance
• Efficient installation and removal through the external hex drive design and 13mm head width for standard tool compatibility
• Full thread coverage along the 25mm length provides maximum grip strength and uniform stress distribution
• Consistent hardness performance with Rockwell C32 rating maintaining structural integrity under repeated loads
• Global compliance assurance meeting ISO 4017/DIN 933 standards with RoHS 3 and REACH environmental certifications

Professional Applications & Engineering Value

These M8 hex head screws deliver critical engineering solutions where high tensile strength and corrosion resistance are paramount. The Class 10.9 steel construction combined with Rockwell C32 hardness ensures reliable performance in structural assemblies, heavy machinery, and automotive applications where vibration and dynamic loads are common. The corrosion-resistant black coating protects against environmental degradation in manufacturing facilities, outdoor equipment, and marine-adjacent installations. The coarse 1.25mm pitch thread with Class 6h fit provides excellent engagement in both metallic and composite materials, reducing the risk of cross-threading while maintaining consistent clamping force. These fully threaded metric screws with external hex drive design offer installation efficiency for production lines and maintenance operations requiring rapid, secure fastening solutions.

Specification Summary & Compliance

This M8 x 1.25mm hex head screw features precise Class 6h thread fit tolerance according to ISO metric standards. The fastener meets ISO 4017/DIN 933 specifications for dimensional accuracy and mechanical properties. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. The 25mm length with fully threaded design and right-hand thread direction follows international threading conventions for consistent performance and compatibility.