S-97050A316 M8 x 40 mm DIN 6912 Alloy Steel Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating that protects against rust in demanding industrial environments
• High tensile strength of 140,000 psi ensures reliable performance under extreme mechanical loads and vibrations
• Precision Class 6g thread fit provides consistent engagement and reduces the risk of cross-threading during assembly
• Low-profile socket head design allows installation in confined spaces while maintaining maximum drive torque capability
• Partially threaded shank enables precise clamping force distribution and prevents joint loosening
• Class 10.9 strength rating guarantees consistent mechanical properties for critical structural applications
• Hex with pilot recess drive system ensures positive engagement and reduces tool slippage during high-torque installation

Professional Applications & Engineering Value

These M8 socket head cap screws deliver exceptional engineering value in industrial machinery, automotive assemblies, and heavy equipment manufacturing. The black-oxide alloy steel construction provides superior corrosion protection while maintaining the high tensile strength of 140,000 psi required for structural applications. The partially threaded design with 22mm thread length ensures optimal stress distribution, preventing joint failure in high-vibration environments. The low-profile socket head with hex pilot recess enables efficient installation in space-constrained applications while maintaining maximum torque transmission. Engineered to DIN 6912 specifications, these metric screws solve critical fastening challenges where reliability, precision, and durability are paramount.

Specification Summary & Compliance

This M8 x 1.25mm coarse thread socket head cap screw features Class 6g thread tolerance for precision fit and 40mm total length with 22mm minimum thread length. Manufactured from Class 10.9 alloy steel with Rockwell C32 hardness, the fastener complies with DIN 6912 industrial standards and is RoHS 3 (2015/863/EU) compliant for environmental safety. The black-oxide surface treatment provides corrosion resistance while maintaining dimensional accuracy per metric threading specifications.