S-90340A122 5/16"-18 x 1 1/2" 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
- Superior corrosion resistance from 18-8 Stainless Steel construction, ideal for harsh environments and extended service life.
- High-strength performance with 70,000 psi tensile strength and Rockwell B84 hardness for reliable fastening under heavy loads.
- Precise Class 3A thread fit ensures tighter tolerances and secure, vibration-resistant connections in critical assemblies.
- Durable square drive and socket head design provides high torque capability and reduces the risk of stripping during installation.
- Versatile 5/16"-18 UNC coarse thread offers quick assembly and disassembly, suitable for a wide range of industrial applications.
- Compliance with RoHS and REACH standards guarantees environmental safety and meets global regulatory requirements for manufacturing.
- Partially threaded shank allows for precise clamping force control where unthreaded grip length is needed.
Professional Applications & Engineering Value
This 18-8 Stainless Steel Socket Head Cap Screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress fatigue. The Class 3A thread fit and UNC coarse thread profile ensure minimal backlash and reliable performance in dynamic environments, from heavy machinery to precision equipment. Its high tensile strength and Rockwell B84 hardness provide durability against mechanical wear, while the square drive and socket head enable efficient installation in confined spaces. Ideal for manufacturing, automation, and assembly lines, this fastener reduces maintenance downtime and enhances operational safety.
Specification Summary & Compliance
This fastener adheres to UNC thread standards with a Class 3A fit for precision threading. Dimensions include a 5/16"-18 thread size, 1-1/2" length, and 1/4" square drive. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental and safety standards are upheld for industrial use.
