S-91294A484 M4 x 45 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 industrial applications, reducing the risk of fastener failure.
- Class 10.9 strength grade provides superior load-bearing capacity and fatigue resistance for demanding mechanical assemblies.
- Black-oxide alloy steel construction offers enhanced corrosion resistance and a durable, non-reflective finish suitable for harsh environments.
- Fully threaded coarse pitch (0.7mm) allows for faster installation and secure holding power in various materials.
- Hex drive (2.5mm) and flat head design enables easy, flush mounting with standard tools, minimizing protrusion in compact spaces.
- Compliance with DIN 7991/ISO 10642 standards guarantees precise dimensional accuracy and interchangeability in metric fastener systems.
- RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains.
Professional Applications & Engineering Value
Engineered for robust performance, these M4 flat head screws with Class 10.9 alloy steel and black-oxide finish address critical industrial challenges such as vibration loosening and corrosion in machinery, automotive, and structural applications. The coarse thread (0.7mm pitch) and fully threaded design provide rapid assembly and strong grip in metals and composites, while the 90° countersink angle ensures a secure, flush fit to prevent snagging. Ideal for high-strength metric fastening systems, they meet DIN 7991/ISO 10642 specifications for reliability in dynamic loads and harsh conditions, enhancing equipment longevity and safety.
Specification Summary & Compliance
This screw adheres to Class 6g thread fit and ISO metric standards for precise dimensional tolerance, with a Rockwell C32 hardness and 120,000 psi tensile strength. It conforms to DIN 7991/ISO 10642 manufacturing norms and is certified RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring no hazardous substances and meeting international environmental regulations.
