S-91263A823 M3 x 8 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 through zinc-plated alloy steel construction, extending service life in harsh industrial environments
- Precise flush mounting with standard 90° countersink angle and flat head design for seamless surface integration
- Easy installation and removal using standard 2mm hex drive tools, reducing assembly time and maintenance costs
- Secure thread engagement with Class 6g thread fit and coarse thread spacing for vibration resistance and stable fastening
- Full thread coverage along the 8mm length provides maximum grip strength and load distribution
- Regulatory compliance assurance meeting international standards including RoHS 3 and REACH for global project suitability
Professional Applications & Engineering Value
These M3 flat head screws deliver critical engineering solutions where high tensile strength and surface-flush fastening are paramount. The zinc-plated alloy steel construction combats corrosion in manufacturing equipment, automotive assemblies, and electronic enclosures exposed to demanding conditions. With Rockwell C32 hardness and Class 10.9 strength rating, they prevent thread stripping and maintain clamp force under vibration and dynamic loads. The fully threaded design and coarse thread spacing enable rapid installation while the 2mm hex drive ensures secure tool engagement without cam-out. Compliant with DIN 7991/ISO 10642 specifications, these metric screws provide reliable performance in machinery, structural components, and precision instruments requiring 90° countersink applications.
Specification Summary & Compliance
Manufactured to precise metric thread standards with Class 6g thread fit tolerance for consistent performance. The M3 x 0.5mm coarse thread configuration and 8mm length deliver optimal engagement characteristics. Full compliance with DIN 7991/ISO 10642 manufacturing specifications ensures dimensional accuracy and interchangeability. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for restricted substance control, making these fasteners suitable for international industrial applications and regulated industries.
