S-91294A526 M20 x 70 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 strength and reliability with Class 10.9 grade, supporting heavy loads and high-stress applications without failure.
- Superior corrosion resistance thanks to the black-oxide finish on alloy steel, extending service life in harsh industrial environments.
- Easy and secure installation with a 12 mm hex drive and flat head design, ensuring flush mounting and reduced risk of stripping.
- Precise thread engagement with M20 coarse threads and Class 6g fit, providing consistent performance and vibration resistance.
- Full threading along the 70 mm length for maximum grip and uniform stress distribution in demanding assemblies.
- Compliance with international standards including DIN 7991 and ISO 10642, guaranteeing interoperability and quality assurance.
- Environmental and safety adherence through RoHS 3 and REACH compliance, making it suitable for regulated industries.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this M20 flat head screw delivers robust performance in construction, machinery, and automotive sectors where high tensile strength and corrosion resistance are critical. The black-oxide alloy steel construction combats rust and wear, while the fully threaded metric design with a 2.5 mm pitch ensures rapid assembly and reliable fastening under dynamic loads. Its flat head profile and hex drive facilitate seamless countersinking and tool access, reducing installation time and improving structural integrity in frameworks, brackets, and equipment requiring Class 10.9 strength and compliance with DIN 7991/ISO 10642 standards.
Specification Summary & Compliance
This fastener features precise metric threading (M20 x 2.5 mm) with a Class 6g thread fit for consistent tolerance, and is manufactured to DIN 7991 (equivalent to ISO 10642) specifications. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use.
