S-91280A307 M12 x 65 mm ISO 4014, DIN 931 Medium-Strength Metric Class 8.8 Steel Hex Head Screws
Medium-Strength Metric Class 8.8 Steel Hex 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 8.8 rating and 110,000 psi capability for reliable performance in demanding applications
- Superior corrosion resistance with black steel construction ensuring durability in harsh industrial environments
- Optimized torque transmission through external hex drive and 19mm head width for secure installation and removal
- Precision thread engagement with Class 6g fit and coarse 1.75mm pitch for faster assembly and reduced cross-threading risk
- Versatile partial threading design with 30mm minimum thread length for flexible application across various material thicknesses
- Global compliance assurance meeting ISO 4014 standards while being RoHS 3 and REACH compliant for international projects
- Consistent performance backed by Rockwell C21 hardness for maintained structural integrity under repeated loading
Professional Applications & Engineering Value
This M12 hex head screw delivers critical engineering solutions for industrial assembly challenges. The Class 8.8 steel construction provides reliable strength for structural connections, machinery frames, and heavy equipment where vibration resistance is paramount. The partially threaded metric design with coarse 1.75mm pitch enables rapid installation in steel frameworks, automotive components, and construction applications. The external hex drive and 19mm head width ensure maximum torque application without stripping, while the black surface treatment offers basic corrosion protection for indoor industrial environments. Engineers specify these ISO 4014 compliant fasteners for projects requiring predictable performance and international standard adherence.
Specification Summary & Compliance
This metric hex head screw features M12 x 1.75mm coarse threading with Class 6g thread fit tolerance and minimum 30mm thread length. Manufactured to ISO 4014 specifications (equivalent to DIN 931) with Class 8.8 strength rating, 110,000 psi tensile strength, and Rockwell C21 hardness. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for global industrial use.
