S-91290A138 M4 x 5 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 strength-to-weight ratio with Class 12.9 rating and 170,000 PSI tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance through black-oxide surface treatment, extending service life in demanding industrial environments
- Precise torque transmission via 3mm hex socket drive, reducing tool slippage and ensuring consistent fastening control
- Optimized thread engagement with Class 5g6g thread fit and coarse M4x0.7mm threading for faster assembly and vibration resistance
- Full thread coverage across the 5mm length enables maximum grip strength in compact spaces
- Hardened alloy steel construction with Rockwell C37 hardness maintains dimensional stability under extreme loads
- Global compliance assurance meeting DIN 912/ISO 4762 standards plus RoHS 3 and REACH environmental regulations
Professional Applications & Engineering Value
Engineered for precision machinery and heavy-duty equipment, these M4 socket head cap screws solve critical fastening challenges in industrial applications. The black-oxide alloy steel construction provides superior corrosion protection while maintaining the Class 12.9 strength rating required for high-stress assemblies. The fully threaded design with coarse M4x0.7mm threading ensures rapid installation and reliable clamping force in automotive components, manufacturing fixtures, and robotics systems. The 3mm hex drive interface delivers secure torque transmission, minimizing strip-out risks during repeated maintenance cycles. These metric hex socket screws meet rigorous DIN 912/ISO 4762 specifications, making them ideal for OEM replacements and precision engineering projects demanding dimensional accuracy and long-term reliability.
Specification Summary & Compliance
Manufactured to Class 5g6g thread tolerance with right-hand coarse threading (M4x0.7mm) and 5mm fully threaded length. Complies with DIN 912/ISO 4762 dimensional standards and maintains Class 12.9 mechanical properties (170,000 PSI tensile strength, Rockwell C37 hardness). Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.
