S-91280A373 M10 x 50 mm ISO 8765, DIN 960 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 grade and 110,000 psi tensile strength for reliable performance in demanding applications
• Enhanced corrosion resistance through black oxide surface treatment, extending service life in various industrial environments
• Precise thread engagement with Class 6g thread fit and fine 1.25 mm pitch ensuring secure fastening and vibration resistance
• Optimized torque transmission thanks to external hex drive design and 17 mm head width for easy installation with standard tools
• Controlled clamping force through partial threading design that provides superior holding power while reducing thread damage risk
• Consistent dimensional accuracy meeting ISO 8765 DIN 960 specifications for reliable interchangeability across applications
• Environmental compliance assurance with RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

These M10 metric hex head screws deliver exceptional engineering value in industrial assembly applications where vibration resistance and structural integrity are critical. The Class 8.8 steel construction provides reliable strength for machinery, equipment frames, and structural connections, while the black oxide finish offers basic corrosion protection in indoor environments. The fine thread pitch (1.25 mm) ensures superior clamping force distribution and resistance to loosening under dynamic loads. With partial threading, these fasteners concentrate holding power where needed most, preventing thread stripping in soft materials while maintaining installation efficiency. The combination of Rockwell C21 hardness and precise Class 6g thread fit guarantees consistent performance in automated assembly systems and high-volume production environments.

Specification Summary & Compliance

This M10 hex head screw features metric fine threading with 1.25 mm pitch and Class 6g thread tolerance, ensuring precise fitment in accordance with international standards. The fastener maintains dimensional compliance with ISO 8765 DIN 960 specifications, guaranteeing interchangeability and reliability. Manufacturing follows strict quality controls to deliver consistent 50 mm length with 26 mm minimum thread length. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for use in regulated industries and international markets.