S-92198A686 5/16"-18 x 1 3/8" 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
- Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and reducing maintenance costs.
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads, minimizing the risk of fastener failure.
- Class 2A thread fit with UNC coarse threading provides easy, quick assembly and disassembly, saving time in repetitive applications.
- Partial threading design offers improved grip and clamping force in specific joint configurations for enhanced stability.
- External hex drive and hex head allow for straightforward installation using standard tools, increasing efficiency on the production line.
- Compliance with ASME B18.2.1 standards guarantees dimensional accuracy and interchangeability, ensuring consistent quality in B2B procurement.
- RoHS 3 and REACH compliant for safe, environmentally responsible use in global industrial supply chains.
Professional Applications & Engineering Value
This 5/16"-18 UNC Hex Head Screw in 18-8 Stainless Steel is engineered to address common industrial challenges such as corrosion-induced degradation and assembly inefficiencies. The coarse thread spacing and Class 2A thread fit enable rapid installation in machinery, construction, and automotive applications, reducing labor time while maintaining secure fastening. With a Rockwell B70 hardness and 80,000 psi tensile strength, it withstands vibrational stresses and heavy-duty loads, making it ideal for equipment that demands durability. The partial threading enhances grip in materials where full threading is unnecessary, providing optimized performance in industrial hex bolts for frames, brackets, and structural assemblies.
Specification Summary & Compliance
This screw features precise Class 2A thread fit per UNC standards, with dimensions including a 1-3/8" length and 5/16"-18 thread size. It is manufactured in accordance with ASME B18.2.1 specifications for consistency and reliability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), it meets environmental and safety regulations for industrial use worldwide.
