S-91294A550 M8 x 100 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 tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from the black-oxide finish on alloy steel, extending service life in demanding industrial environments.
- High-strength Class 10.9 rating guarantees consistent load-bearing capacity and durability for critical assemblies.
- Fully threaded M8x1.25mm coarse pitch design provides faster installation and secure holding power in various materials.
- Precision hex drive (5mm) allows for easy, slip-resistant tightening with standard tools, improving assembly efficiency.
- Compliance with DIN 7991/ISO 10642 standards ensures dimensional accuracy and interoperability in metric fastener systems.
- RoHS 3 and REACH compliance meets environmental and safety regulations, supporting sustainable sourcing and use.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these M8 flat head screws in black-oxide alloy steel address common challenges like vibration loosening and corrosion. The fully threaded coarse pitch design ensures rapid installation and strong grip in metal, wood, and composite assemblies, while the Class 10.9 strength grade and Rockwell C32 hardness provide reliable performance under heavy loads. Ideal for machinery, automotive, and structural frameworks, these screws offer a flush flat head profile with a standard 90° countersink angle, minimizing protrusion and enhancing safety. The hex drive facilitates secure tool engagement, reducing assembly time and improving maintenance efficiency in high-strength fastener systems.
Specification Summary & Compliance
This metric screw features an M8x1.25mm thread with Class 6g thread fit for precise tolerance, a length of 100mm, and a right-hand thread direction. It conforms to DIN 7991 and ISO 10642 specifications, ensuring dimensional consistency. The product is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, adhering to environmental and health standards for safe industrial use.
