S-91294A137 M3 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 rating and 120,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance from black-oxide coating on alloy steel, extending service life in harsh industrial environments
- Precise thread engagement with Class 6g fit and coarse 0.5 mm pitch ensuring secure fastening and vibration resistance
- Optimized installation efficiency through 2 mm hex drive and fully threaded design for quick assembly and maximum holding power
- Standardized flat head profile with 90° countersink angle providing flush mounting and clean aesthetic finish
- Regulatory compliance assurance meeting DIN 7991/ISO 10642 standards plus RoHS 3 and REACH environmental directives
- Consistent performance backed by Rockwell C32 hardness for maintained mechanical properties under load
Professional Applications & Engineering Value
These M3 flat head screws deliver critical engineering solutions where space constraints and corrosion resistance are paramount. The black-oxide alloy steel construction provides superior protection against oxidation and chemical exposure in manufacturing equipment, automotive assemblies, and electronic enclosures. The fully threaded design with coarse 0.5 mm pitch ensures maximum thread engagement in both soft and hard materials, while the Class 6g thread fit maintains precise tolerances for vibration-prone applications. The combination of 120,000 psi tensile strength and Rockwell C32 hardness makes these metric screws ideal for high-stress fastening where material fatigue and joint integrity are critical concerns.
Specification Summary & Compliance
Manufactured to DIN 7991/ISO 10642 specifications with Class 6g thread tolerance for metric coarse threading. The M3 x 0.5 mm fasteners feature 22 mm length with standard 90° countersink angle and 2 mm hex drive. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures safe use across industrial sectors.
