S-90128A216 M4 x 20 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws
Alloy Steel Socket 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 170,000 psi tensile strength for reliable performance in high-stress assemblies
- Superior wear resistance due to Rockwell C37 hardness, ensuring extended service life in demanding environments
- Precise hex drive engagement with 3mm drive size for secure tooling and reduced cam-out during installation
- Enhanced corrosion protection through zinc plating on alloy steel, suitable for industrial and outdoor applications
- Optimized thread engagement with M4 coarse pitch (0.7mm) enabling faster assembly and reduced cross-threading risks
- Full-threaded design providing consistent clamping force along the entire 20mm length for uniform load distribution
- Global compliance assurance meeting DIN 912/ISO 4762 standards with RoHS 3 and REACH environmental regulations
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these Class 12.9 socket head cap screws deliver critical reliability in machinery, automotive, and precision equipment assemblies. The zinc-plated alloy steel construction combats corrosion while maintaining structural integrity under vibration and dynamic loads. With fully threaded M4 coarse pitch design, installation efficiency improves significantly in blind holes and tight spaces. The hex socket drive prevents tool slippage during high-torque applications, making them ideal for maintenance-critical environments where disassembly frequency demands durable thread preservation. These fasteners solve common failure points in high-stress joints through their 170,000 psi tensile strength and precise Class 5g6g thread fit.
Specification Summary & Compliance
Manufactured to DIN 912 / ISO 4762 specifications with Class 5g6g thread tolerance ensuring dimensional accuracy. The M4 x 0.7mm coarse thread maintains compatibility with standard metric components. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations guarantees safe usage across regulated industries. 20mm length provides standardized engagement depth for consistent clamping performance.
