S-90152A125 2-56 x 1/2" ASME B18.3, ASTM F837 Stainless Steel Wire-Lockable Socket Head Screws
Stainless Steel Wire-Lockable Socket Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
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 80,000 psi ensures secure, vibration-resistant fastening in demanding industrial applications.
- Precise Class 3A thread fit provides excellent engagement and reduces the risk of cross-threading during assembly.
- Hex socket drive (5/64") allows for high torque application and easy installation in confined spaces.
- Rockwell B70 hardness offers excellent wear resistance and durability under repeated use.
- Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards are met.
- UNC coarse thread design enables quicker installation and better performance in materials prone to stripping.
Professional Applications & Engineering Value
This 2-56 Thread Socket Head Cap Screw in 18-8 Stainless Steel is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress demands. The UNC coarse thread and Class 3A fit ensure reliable fastening in metals and plastics, reducing assembly time and improving joint integrity. With an 80,000 psi tensile strength and Rockwell B70 hardness, it withstands heavy loads and repetitive use in machinery, automotive, and electronics applications. The hex drive and fully threaded design provide consistent clamping force, making it a top choice for industrial cap screws requiring precision and durability in corrosive or high-temperature environments.
Specification Summary & Compliance
This screw adheres to ASME B18.3 specifications with a Class 3A thread fit for precise dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Manufactured in the inch system, it features a 2-56 UNC coarse thread, 1/2" length, and fully threaded design for consistent performance across applications.
