S-91310A121 M5 x 10 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 load-bearing capacity with Class 10.9 strength rating and 150,000 psi tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance from black oxide surface treatment providing enhanced durability in demanding industrial environments
- Optimized installation efficiency with external hex drive design allowing for high torque application and secure fastening
- Consistent thread engagement through fully threaded design with coarse 0.8mm pitch for faster assembly and reduced cross-threading risk
- Precise dimensional accuracy with Class 6g thread fit ensuring reliable mating with standard metric nuts and components
- Enhanced material integrity from Rockwell C32 hardness providing excellent resistance to wear and deformation
- Global compliance assurance meeting ISO 4017 DIN 933 standards for international project compatibility and quality consistency
Professional Applications & Engineering Value
These M5 hex head screws deliver critical engineering value through their Class 10.9 steel construction and precision metric coarse threading. 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 design with 0.8mm coarse pitch ensures maximum thread engagement in various material thicknesses, while the external hex drive facilitates efficient installation in confined spaces. Ideal for heavy machinery, automotive assemblies, and structural frameworks, these black oxide coated screws provide reliable fastening solutions where corrosion resistance and mechanical integrity are paramount.
Specification Summary & Compliance
Manufactured to ISO 4017 DIN 933 specifications with Class 6g thread tolerance for precision fit. The M5 x 0.8mm coarse thread configuration ensures compatibility with standard metric components. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming adherence to international substance restriction standards for industrial applications.
