S-91310A123 M5 x 16 mm ISO 4017, DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws
High-Strength Metric Class 10.9 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 strength and durability with Class 10.9 steel construction, ensuring reliable performance in demanding applications
- Superior corrosion resistance from the black oxide finish, extending service life in harsh industrial environments
- High tensile strength of 150,000 psi provides secure fastening for heavy-duty assemblies and machinery
- Precise Class 6g thread fit guarantees smooth installation and optimal engagement with mating components
- Coarse 0.8mm pitch threading enables quick assembly and reduced risk of cross-threading in time-sensitive operations
- External hex drive design allows for high torque application using standard tools, improving installation efficiency
- Full threading along the 16mm length offers maximum grip and adjustability across the entire fastener
Professional Applications & Engineering Value
These M5 hex head screws deliver critical engineering value through their Class 10.9 high-strength steel composition and ISO 4017 DIN 933 compliance. The combination of 150,000 psi tensile strength and Rockwell C32 hardness addresses common industrial challenges of joint failure under dynamic loads and vibration. The fully threaded coarse pitch design with Class 6g fit ensures rapid installation in production environments while maintaining precise alignment in machinery, automotive assemblies, and structural frameworks. The black oxide surface treatment provides essential corrosion protection for extended service life in manufacturing facilities, outdoor equipment, and automated systems where reliability is paramount.
Specification Summary & Compliance
This metric hex head screw features M5 x 0.8mm coarse threading with Class 6g tolerance and full 16mm threading length. Manufactured to ISO 4017 DIN 933 specifications with Class 10.9 strength rating, it ensures dimensional accuracy and mechanical consistency. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial supply chains and regulated applications.
