S-91294A453 M16 x 55 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 load-bearing capacity with Class 10.9 strength rating and 120,000 psi tensile strength for reliable performance in high-stress applications.
- Superior corrosion resistance provided by the black-oxide finish on alloy steel, extending service life in demanding industrial environments.
- Precise, secure installation enabled by the 10 mm hex drive and standard 90° countersink angle, ensuring flush mounting and reduced installation time.
- Optimized thread engagement with M16x2mm coarse threads and Class 6g fit, facilitating quick assembly and strong holding power.
- Enhanced durability from Rockwell C32 hardness, maintaining structural integrity under repeated loads and vibrations.
- Full-threaded design for maximum grip length and uniform stress distribution along the entire 55 mm shaft.
- Global compliance assurance meeting DIN 7991/ISO 10642 standards, RoHS 3, and REACH regulations for safe, internationally accepted use.
Professional Applications & Engineering Value
Engineered for demanding industrial fastening, these M16 flat head screws deliver critical solutions where vibration resistance and structural integrity are paramount. The black-oxide alloy steel construction combats corrosion in machinery, automotive assemblies, and heavy equipment, while the fully threaded metric design ensures consistent clamping force across joints. The hex drive and coarse thread pitch enable rapid installation in steel frameworks and construction projects, reducing labor costs. With a 90° countersink angle conforming to DIN 7991/ISO 10642, these screws provide a seamless finish in pre-drilled holes, minimizing protrusion risks in high-precision engineering applications.
Specification Summary & Compliance
This flat head screw features M16x2mm coarse threads with Class 6g tolerance for precise fit, and is manufactured to DIN 7991/ISO 10642 specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence. The Class 10.9 strength grade and fully threaded design confirm consistent performance under ASME-aligned mechanical standards.
