S-91274A103 M3 x 8 mm ASTM B117, DIN 912, ISO 4762 Alloy Steel Socket Head Screws
Alloy Steel Socket Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional durability with Class 12.9 strength rating and 170,000 psi tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance provided by zinc-flake coating, extending service life in harsh industrial environments
- Precise torque transmission through 2.5mm hex socket drive for secure installation and reduced tool slippage
- Consistent thread engagement with Class 5g6g thread fit ensuring reliable fastening in metric assemblies
- Maximum material hardness at Rockwell C37 for excellent wear resistance and reduced thread deformation
- Broad compatibility with DIN 912 and ISO 4762 standards for seamless integration into existing metric systems
- Environmental compliance with RoHS 3 and REACH regulations for safe use across various industries
Professional Applications & Engineering Value
These M3 socket head cap screws deliver critical engineering solutions where space constraints and high strength requirements intersect. The zinc-flake-coated alloy steel construction addresses common corrosion challenges in manufacturing environments, while the Class 12.9 strength rating ensures reliable performance in vibrating machinery and structural applications. The standard socket head profile with 2.5mm hex drive enables precise installation in confined spaces, making these metric screws ideal for precision equipment, automotive assemblies, and industrial machinery where high-strength fasteners must withstand extreme operational stresses without compromising on corrosion protection or dimensional accuracy.
Specification Summary & Compliance
This socket head cap screw features M3 x 0.5mm coarse thread with Class 5g6g thread fit tolerance, ensuring precise dimensional accuracy per metric standards. Manufacturing complies with DIN 912 and ISO 4762 specifications, with corrosion testing meeting ASTM B117 requirements. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to international environmental and safety regulations for industrial components.
