S-90342A123 10-32 x 1/2" Alloy Steel Socket Head Screws with Split Lock Washer
Alloy Steel Socket Head Screws with Split Lock Washer
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with black-oxide coating on both screw and washer, extending service life in harsh industrial environments.
- Exceptional tensile strength of 180,000 psi ensures reliable performance under high-stress applications without failure.
- Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies in critical machinery.
- Integrated split lock washer maintains fastener integrity by preventing loosening under dynamic loads and thermal cycling.
- High hardness (Rockwell C39) offers excellent wear resistance, reducing thread deformation during repeated installations.
- Hex socket drive (5/32") allows for high-torque application with standard tools, minimizing stripping and improving installation efficiency.
- Full UNF fine threading ensures maximum grip length and uniform load distribution across joined components.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this black-oxide alloy steel socket head cap screw combines high tensile strength and Class 3A UNF fine threads to address common challenges like vibration-induced loosening and material fatigue. The inclusion of a split lock washer enhances joint security in automotive assemblies, precision machinery, and electronic enclosures where consistent clamp load is critical. Its fully threaded design and corrosion-resistant finish make it ideal for applications requiring repeated disassembly or exposure to oils and moisture, ensuring long-term reliability without compromising on thread accuracy or fastener integrity.
Specification Summary & Compliance
This screw adheres to UNF fine thread standards with a Class 3A thread fit for precision alignment and superior thread engagement. Manufactured to exact inch-system dimensions including a 1/2" length and 10-32 thread size. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material sustainability in global supply chains.
