S-91180A715 M12 x 40 mm ISO 8765, DIN 960 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating for extended service life in demanding environments
• High tensile strength (110,000 psi) and Class 8.8 rating for reliable performance in heavy-duty applications
• Precise extra fine thread pitch (1.25mm) ensures superior vibration resistance and secure fastening
• Partially threaded design provides optimal clamping force while reducing material usage
• External hex drive and standard hex head allow for easy installation with common tools
• Class 6h thread fit guarantees consistent, high-precision mating with nuts and threaded holes
• Rockwell C21 hardness delivers excellent durability and wear resistance

Professional Applications & Engineering Value

This M12 hex head screw with extra fine metric threading is engineered to solve critical industrial challenges where vibration resistance and precision are paramount. The Class 8.8 steel construction provides exceptional structural integrity for machinery assembly, automotive components, and heavy equipment manufacturing. The zinc plated finish offers reliable corrosion protection in environments exposed to moisture and chemicals, while the partially threaded design concentrates clamping force exactly where needed. Manufactured to ISO 8765 standards (equivalent to DIN 960), these metric screws ensure perfect compatibility with international components, reducing assembly time and eliminating compatibility issues in global supply chains.

Specification Summary & Compliance

This fastener features Class 6h thread fit precision and M12 x 1.25mm extra fine pitch threading with right-hand orientation. The 40mm length includes a 30mm minimum thread length and meets ISO 8765 specifications (DIN 960 equivalent). Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.