S-91294A285 M8 x 22 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws
Alloy Steel Hex Drive Flat Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional durability with Class 10.9 strength grade and 120,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance thanks to black-oxide coating on alloy steel, extending service life in harsh environments
- Precise Class 6g thread fit ensures smooth installation and secure fastening with consistent engagement
- Optimal drive efficiency with 5mm hex drive providing excellent torque transmission and reduced cam-out risk
- Full metric threading with coarse 1.25mm pitch enables quick assembly and disassembly while maintaining holding power
- Standard 90° countersink angle allows for flush mounting in prepared surfaces for clean, professional finishes
- Rockwell C32 hardness maintains thread integrity and prevents stripping during repeated use
Professional Applications & Engineering Value
These M8 flat head screws deliver critical engineering solutions where high-strength fastening meets corrosion resistance requirements. The black-oxide alloy steel construction provides superior protection against environmental factors while maintaining the Class 10.9 strength rating essential for structural applications. The fully threaded design with coarse 1.25mm pitch ensures maximum grip length and vibration resistance in machinery, automotive assemblies, and industrial equipment. The hex drive configuration with 5mm drive size enables efficient installation in confined spaces while the standard flat head profile creates seamless surfaces in countersunk applications. These metric screws are engineered to prevent joint failure in high-stress environments where reliability is paramount.
Specification Summary & Compliance
This fastener features M8 x 1.25mm coarse threading with Class 6g thread fit precision and 22mm length dimensions. Manufactured to exacting DIN 7991/ISO 10642 standards for flat head screw specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors. The Class 10.9 strength classification guarantees consistent performance meeting international mechanical property requirements for high-strength fasteners.
