S-92198A961 1 1/2"-6 x 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
- Exceptional tensile strength of 80,000 psi ensures reliable performance under heavy loads
- Precise Class 2A thread fit guarantees smooth installation and secure fastening
- Coarse UNC threading provides faster assembly and reduced cross-threading risk
- External hex drive design enables high-torque application with standard tools
- Partial threading offers optimal grip length for varied material thicknesses
- Full regulatory compliance with RoHS 3 and REACH ensures environmental safety
Professional Applications & Engineering Value
This 1 1/2"-6 UNC hex head screw delivers critical engineering advantages for heavy-duty industrial applications where corrosion resistance and structural integrity are paramount. The 18-8 Stainless Steel composition provides excellent protection against rust and chemical degradation, making it ideal for marine, chemical processing, and outdoor infrastructure projects. The coarse thread design ensures rapid installation in structural steel, heavy machinery, and construction applications, while the partial threading allows for precise clamp load distribution across varying material thicknesses. With its external hex drive accommodating high torque values, this fastener maintains reliable performance in vibration-prone environments, reducing maintenance frequency and downtime in critical assemblies.
Specification Summary & Compliance
Manufactured to ASME B18.2.1 specifications with Class 2A thread fit tolerance ensuring consistent dimensional accuracy. The 1 1/2"-6 UNC coarse thread pattern meets standardized inch system requirements, while the Rockwell B70 hardness and 80,000 psi tensile strength guarantee mechanical reliability. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, providing assurance for regulated industrial applications.
