S-90605A125 M5 x 12 mm DIN 912, ISO 4762 Left-Hand Threaded Alloy Steel Socket Head Screws
Left-Hand Threaded 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
- Maximum load-bearing capability with Class 12.9 strength rating and 170,000 psi tensile strength for demanding industrial applications
- Superior corrosion resistance through black-oxide coating that protects against rust and extends service life in harsh environments
- Precise torque transmission via 4mm hex drive design that prevents stripping and ensures secure fastening operations
- Exceptional thread engagement with left-hand metric coarse threads (M5 x 0.8mm) that provide reliable counter-rotational security
- Optimized dimensional accuracy meeting DIN 912/ISO 4762 standards for consistent fit and performance in precision assemblies
- Enhanced durability from Rockwell C37 hardness that maintains structural integrity under repeated stress and vibration
- Environmental compliance assurance with RoHS 3 and REACH regulations for safe use across global industrial markets
Professional Applications & Engineering Value
These Class 12.9 socket head cap screws deliver critical performance in applications where reverse rotation prevention is essential. The left-hand metric thread configuration provides secure fastening in rotating machinery components, while the black-oxide alloy steel construction offers superior corrosion resistance without compromising the 170,000 psi tensile strength. Engineered to DIN 912/ISO 4762 specifications, these M5 coarse pitch screws maintain precise Class 5g6g thread tolerances for reliable engagement in automotive, manufacturing, and heavy equipment applications. The 4mm hex drive socket head design allows for high-torque installation in confined spaces, making them ideal for precision assemblies requiring both strength and accessibility.
Specification Summary & Compliance
Manufactured to exacting DIN 912 / ISO 4762 standards with Class 5g6g thread fit tolerance for precision assembly. The metric left-hand thread features M5 x 0.8mm coarse pitch configuration on a fully threaded 12mm length. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors. Material certification confirms Class 12.9 alloy steel with Rockwell C37 hardness and 170,000 psi tensile strength ratings.
