S-91294A611 M20 x 120 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 with Class 10.9 rating (120,000 psi) for reliable performance in high-stress industrial applications
- Superior corrosion resistance through black-oxide coating, extending service life in demanding environments
- Optimized fastening efficiency with 12mm hex drive design providing maximum torque transmission and installation control
- Precision threading compatibility with Class 6g metric thread fit ensuring secure engagement and vibration resistance
- Full-length threading offering consistent holding power along the entire 120mm length for uniform load distribution
- Standardized flat head profile with 90° countersink angle for flush mounting and clean aesthetic finish
- Regulatory compliance assurance meeting DIN 7991, RoHS 3, and REACH standards for global industrial acceptance
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these M20 flat head screws deliver critical performance where high tensile strength and corrosion resistance are paramount. The black-oxide alloy steel construction combined with Class 10.9 strength rating provides exceptional durability in heavy machinery, structural frameworks, and automotive assemblies. The fully threaded metric design with 2.5mm coarse pitch ensures rapid installation and superior vibration resistance, while the standard flat head profile allows for seamless integration in countersunk applications. These industrial fasteners solve common engineering challenges by maintaining integrity under extreme loads while offering enhanced corrosion protection in harsh operating environments.
Specification Summary & Compliance
Manufactured to precise metric dimensions with Class 6g thread fit tolerance and Rockwell C32 hardness. Complies with DIN 7991 (ISO 10642) specifications for flat head screws. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards. The fully threaded right-hand design with M20 x 2.5mm coarse thread spacing ensures reliable performance across industrial applications requiring high-strength fastening solutions.
