S-91263A831 M5 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 tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc-plated alloy steel extends service life in harsh industrial environments, minimizing maintenance needs.
- High hardness rating (Rockwell C32) provides excellent wear resistance, maintaining thread integrity during repeated use.
- Fully threaded coarse pitch design allows for faster installation and secure holding power in various materials.
- Precise Class 6g thread fit ensures smooth assembly and compatibility with standard metric nuts and components.
- Compliance with DIN 7991/ISO 10642 standards guarantees consistent quality and interchangeability for global engineering projects.
- RoHS 3 and REACH compliance supports environmental safety and regulatory requirements in industrial supply chains.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this M5 flat head screw with Class 10.9 strength and zinc-plated alloy steel construction addresses critical challenges like vibration loosening and environmental degradation. The fully threaded coarse pitch (0.8mm) and hex drive design enable quick, tool-efficient installation in machinery, automotive assemblies, and structural frameworks, reducing downtime. Its flat head profile and 90° countersink angle provide a flush finish, ideal for applications where protrusion is a concern. By meeting DIN 7991/ISO 10642 specifications, it ensures reliable performance in heavy-duty metric fastener systems, enhancing overall assembly durability and safety.
Specification Summary & Compliance
This screw features precise M5 x 0.8mm coarse thread with Class 6g tolerance for accurate fit, manufactured to DIN 7991/ISO 10642 standards. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety adherence. With a length of 8mm and fully threaded right-hand design, it supports consistent performance in industrial applications.
