S-91294A596 M20 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 applications, reducing the risk of fastener failure.
- Superior corrosion resistance from the black-oxide finish extends service life in harsh industrial environments, minimizing maintenance needs.
- High hardness rating (Rockwell C32) provides excellent wear resistance, maintaining thread integrity over repeated use.
- Full threading with coarse pitch enables faster installation and secure holding power in various materials.
- Precise 90° countersink angle allows for flush mounting, creating smooth surfaces and reducing snag hazards.
- Hex drive design with 12mm size offers easy installation with standard tools, improving assembly efficiency.
- Compliance with international standards (DIN 7991/ISO 10642) guarantees dimensional accuracy and interchangeability.
Professional Applications & Engineering Value
This M20 flat head screw is engineered to address critical challenges in heavy-duty industrial settings, where vibration, high loads, and corrosive conditions can compromise fastener integrity. The Class 10.9 alloy steel construction, combined with the black-oxide surface treatment, provides robust protection against rust and wear, making it ideal for machinery, structural assemblies, and automotive applications. The fully threaded metric coarse pitch design ensures quick, secure fastening in steel frameworks and equipment bases, while the standardized hex drive simplifies maintenance and disassembly. By delivering consistent performance under extreme conditions, this screw reduces downtime and enhances the longevity of industrial systems.
Specification Summary & Compliance
This fastener features a M20 x 2.5mm coarse thread with Class 6g thread fit for precise engagement, and is manufactured to meet DIN 7991 and ISO 10642 specifications for dimensional accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are adhered to in industrial supply chains.
