S-90340A120 5/16"-18 x 1" Socket Head Screws for Square-Drive Wrenches
Socket Head Screws for Square-Drive Wrenches
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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 corrosion resistance with 18-8 Stainless Steel construction for long-lasting performance in harsh environments
- Superior load-bearing capability with 70,000 PSI tensile strength to withstand high-stress applications
- Precise thread engagement through Class 3A fit ensuring reliable, vibration-resistant connections
- Enhanced torque transmission with 1/4" square drive design for secure installation and removal
- Full thread coverage along the 1" length provides maximum grip and uniform stress distribution
- Optimized hardness at Rockwell B84 maintains structural integrity under repeated use
- Regulatory compliance with RoHS 3 and REACH standards for safe, environmentally conscious manufacturing
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these socket head cap screws deliver reliable fastening in machinery, automotive assemblies, and precision equipment. The 18-8 Stainless Steel material offers excellent resistance to oxidation and chemical exposure, while the UNC coarse thread design facilitates quick assembly and reduces cross-threading risks. With a Class 3A thread fit and 70,000 PSI tensile strength, these screws maintain clamp load under vibration and dynamic loads, preventing joint failure. The square drive and high-profile socket head allow for high-torque installation in confined spaces, making them ideal for high-strength applications where reliability is critical.
Specification Summary & Compliance
This socket head cap screw features a 5/16"-18 UNC thread with Class 3A fit for precise dimensional accuracy and consistent performance. Manufactured to industry standards with a right-hand thread direction and coarse thread spacing, it ensures compatibility with standard components. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety requirements for industrial use.