S-92240A437 1/2"-20 x 2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex 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 industrial environments
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration
- Precise Class 2A thread fit provides smooth installation and secure fastening in fine-thread applications
- External hex drive design allows for easy installation with standard tools and high torque application
- Full threading along the 2" length offers maximum grip and adjustment flexibility in assemblies
- Rockwell B70 hardness maintains thread integrity and prevents stripping during repeated use
- Compliance with ASME B18.2.1 guarantees dimensional accuracy and interchangeability
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 18-8 stainless steel hex head screws deliver exceptional performance where corrosion resistance and structural integrity are critical. The 1/2"-20 UNF fine thread configuration provides superior resistance to loosening under vibration, making them ideal for machinery, equipment manufacturing, and structural assemblies. With 80,000 psi tensile strength and Rockwell B70 hardness, they maintain clamping force in high-stress environments while the external hex drive enables efficient installation in confined spaces. The fully threaded 2" length ensures maximum engagement in thick materials, reducing the need for multiple fastener types and simplifying inventory management for industrial maintenance and production lines.
Specification Summary & Compliance
This hex head screw features precise Class 2A thread fit with UNF fine threads (1/2"-20) and right-hand threading. Manufactured to ASME B18.2.1 specifications for dimensional accuracy and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global industrial applications.
