S-92198A407 7/16"-20 x 2 1/4" 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 consistent clamping force
- External hex drive design allows for high-torque application with standard tools
- Fine UNF threading delivers improved vibration resistance and better load distribution
- Rockwell B70 hardness maintains thread integrity and prevents stripping during repeated use
- Partial threading offers optimal grip length for specific joint thickness requirements
Professional Applications & Engineering Value
These 18-8 stainless steel hex head screws with 7/16"-20 UNF fine threading are engineered to solve critical fastening challenges in demanding industrial applications. The combination of corrosion-resistant material and 80,000 psi tensile strength makes them ideal for machinery assembly, structural frameworks, and equipment subjected to environmental stressors. The external hex drive and Class 2A thread fit ensure quick installation with standard tools while maintaining precise alignment. Particularly valuable in applications requiring vibration resistance, these partially threaded screws provide secure fastening in automotive, manufacturing, and heavy equipment where reliability and durability are paramount.
Specification Summary & Compliance
This 7/16"-20 UNF hex head screw features Class 2A thread fit per ASME/ANSI standards with precise dimensional accuracy. Manufactured to meet ASME B18.2.1 specifications for hex bolts and screws, ensuring interchangeability and reliability. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental regulations for industrial use. Thread spacing follows UNF fine thread standards with minimum thread length of 1-1/8" and overall length of 2-1/4".
