S-92198A406 7/16"-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 from 18-8 stainless steel construction, ideal for harsh environments and outdoor applications
- High tensile strength of 80,000 psi ensures reliable performance in demanding mechanical assemblies
- Precise UNF fine threading with Class 2A fit provides secure fastening and vibration resistance
- External hex drive design allows for easy installation with standard tools and high torque application
- Rockwell B70 hardness rating maintains thread integrity and prevents stripping during repeated use
- Partial threading configuration offers optimal grip length while reducing material weight
- Comprehensive regulatory compliance including ASME B18.2.1, RoHS 3, and REACH for global industrial acceptance
Professional Applications & Engineering Value
These 18-8 stainless steel hex head screws deliver exceptional performance in critical applications where corrosion resistance and structural integrity are paramount. The UNF fine threading (7/16"-20) with Class 2A fit ensures precise engagement in machinery, automotive assemblies, and structural frameworks, preventing loosening under vibration. The external hex drive facilitates high-torque installation in confined spaces, while the partial threading design provides optimal clamping force distribution. Engineered to withstand extreme conditions, these screws are ideal for marine equipment, food processing machinery, and chemical processing plants where environmental compliance and durability are essential.
Specification Summary & Compliance
This 7/16"-20 UNF hex head screw features precise Class 2A thread fit tolerances and partial threading with minimum 1-1/8" thread length. Manufactured to ASME B18.2.1 specifications with Rockwell B70 hardness and 80,000 psi tensile strength. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance for industrial applications.
