S-91274A157 M10 x 20 mm ASTM B117, DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and reliability with Class 12.9 rating and 170,000 PSI tensile strength, ideal for high-stress industrial applications.
• Superior corrosion resistance from zinc-flake coating, extending service life in harsh environments and meeting ASTM B117 standards.
• Precise and secure fastening with metric coarse thread (M10 x 1.5mm) and Class 5g6g thread fit, ensuring consistent performance and reduced loosening.
• Easy installation and removal using a standard 8mm hex drive, providing efficient assembly in confined spaces.
• High durability and wear resistance due to Rockwell C37 hardness, maintaining integrity under repetitive loads.
• Full compliance with international standards including DIN 912 and ISO 4762, guaranteeing interchangeability and quality assurance.
• Environmentally safe and regulated with RoHS 3 and REACH compliance, supporting sustainable and responsible manufacturing practices.

Professional Applications & Engineering Value

This M10 socket head cap screw is engineered from zinc-flake-coated alloy steel to address common industrial challenges such as vibration-induced failure and corrosion in demanding environments. The fully threaded design with right-hand coarse thread ensures rapid assembly and high clamp load retention, making it ideal for machinery, automotive, and heavy equipment applications. Its hex socket drive allows for precise torque application, reducing the risk of stripping and enhancing safety in high-stress connections. By combining high tensile strength and superior corrosion resistance, this fastener minimizes maintenance downtime and extends the lifespan of critical assemblies, providing reliable performance in sectors where durability and compliance with standards like ISO 4762 are paramount.

Specification Summary & Compliance

The screw features precise metric thread dimensions with M10 x 1.5mm coarse thread and Class 5g6g thread fit for accurate engagement. It adheres to manufacturing specifications per DIN 912 and ISO 4762, ensuring dimensional consistency and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), it meets environmental and safety regulations, while the zinc-flake coating is tested per ASTM B117 for corrosion resistance.