S-90696A202 5/16"-18 x 12" ASME B18.3 18-8 Stainless Steel Socket Head Screws
18-8 Stainless 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
- Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
- High tensile strength of 70,000 psi ensures dependable performance under heavy loads and vibration.
- Precise Class 3A thread fit provides secure, reliable fastening with minimal risk of loosening.
- 1/4" hex drive design allows for easy installation and removal with standard tools, reducing assembly time.
- Partially threaded shank offers optimal grip and clamping force for a wide range of industrial applications.
- Rockwell B70 hardness enhances durability and wear resistance, extending the screw's service life.
- Compliance with ASME B18.3, RoHS 3, and REACH guarantees adherence to strict industry and environmental standards.
Professional Applications & Engineering Value
This 5/16"-18 UNC Socket Head Cap Screw is engineered to address critical challenges in industrial settings, such as maintaining joint integrity under dynamic loads and resisting corrosion in demanding environments. The 18-8 Stainless Steel material provides excellent resistance to rust and oxidation, making it suitable for outdoor, marine, or chemical-exposed applications. Its coarse UNC threads and Class 3A fit ensure quick assembly and a secure hold, reducing the risk of thread stripping and vibration-induced failures. The 12-inch length and partially threaded design allow for precise clamping in machinery, automotive, and construction projects, offering reliable performance where high strength and durability are paramount. The 1/4" hex drive facilitates efficient installation, minimizing downtime in production lines.
Specification Summary & Compliance
This screw adheres to ASME B18.3 specifications, ensuring dimensional accuracy and interchangeability. The UNC coarse threads with a Class 3A fit provide tight tolerances for reliable fastening. It is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming it is free from hazardous substances and safe for various industrial uses.
