S-91263A957 M16 x 80 mm DIN 7991 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 load-bearing capacity with 120,000 PSI tensile strength and Class 10.9 rating for reliable performance in demanding applications
- Superior corrosion resistance through zinc-plated alloy steel construction, extending service life in harsh industrial environments
- Precise thread engagement with M16x2mm coarse threading and Class 6g fit ensuring secure fastening and vibration resistance
- Efficient installation featuring 10mm hex drive and flat head design for flush mounting and easy tool access
- Full-length threading provides maximum grip along the entire 80mm length for enhanced holding power
- Standardized dimensions compliant with DIN 7991 specifications for consistent performance and interchangeability
- Environmental compliance meeting RoHS 3 and REACH regulations for safe use across global markets
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these M16 flat head screws deliver critical performance where high tensile strength and vibration resistance are paramount. The zinc-plated alloy steel construction provides essential corrosion protection for machinery, structural assemblies, and equipment exposed to demanding conditions. The fully threaded M16x2mm coarse thread design ensures maximum thread engagement and prevents loosening under dynamic loads, while the 90° countersink angle and flat head profile enable flush mounting in precision applications. The 10mm hex drive facilitates quick installation with standard tools, reducing assembly time in manufacturing, construction, and automotive sectors where Class 10.9 strength grade fasteners are specified for critical connections.
Specification Summary & Compliance
These metric flat head screws feature precise Class 6g thread fit tolerance with M16x2mm coarse threading and 80mm length. Manufactured to DIN 7991 standards with Rockwell C32 hardness and 120,000 PSI tensile strength. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications requiring certified high-strength fasteners.
