S-91294A135 M3 x 18 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 under high-stress conditions, reducing the risk of fastener failure.
- Superior corrosion resistance from the black-oxide coating on alloy steel extends service life in harsh industrial environments.
- High-strength Class 10.9 rating guarantees consistent load-bearing capacity and durability for critical applications.
- Precision hex drive (2mm) allows for secure, slip-resistant installation with standard tools, improving assembly efficiency.
- Fully threaded coarse pitch (0.5mm) enables faster driving and stronger holding power in various materials.
- 90° countersink angle and flat head design provide a flush, low-profile finish that minimizes protrusion and enhances safety.
- Compliance with DIN 7991/ISO 10642 standards ensures dimensional accuracy and interchangeability for global engineering projects.
Professional Applications & Engineering Value
These M3 flat head screws are engineered to address common industrial challenges such as vibration loosening and material fatigue. The black-oxide alloy steel construction, combined with a Class 10.9 strength grade, offers excellent resistance to wear and environmental factors, making them ideal for machinery, automotive assemblies, and electronic enclosures. The fully threaded coarse pitch design ensures rapid installation and robust clamping force, while the 90° countersink allows seamless integration into surfaces, reducing snag hazards. By meeting DIN 7991 and ISO 10642 specifications, these screws deliver reliable performance in precision-driven sectors, enhancing overall equipment longevity and safety.
Specification Summary & Compliance
This fastener adheres to Class 6g thread fit tolerances per metric standards, ensuring precise engagement. It conforms to DIN 7991 and ISO 10642 manufacturing specifications for dimensional consistency. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, supporting environmentally responsible sourcing and use in regulated industries.
