S-92941A581 5/16"-18 x 3/4" ASME B18.2.1 Brass Hex Head Screws
Brass 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 thanks to brass construction, ideal for harsh environments and reducing maintenance costs
- High tensile strength of 50,000 psi ensures reliable performance and joint integrity under significant loads
- Excellent thread engagement with Class 2A fit UNC coarse threads for faster assembly and reduced cross-threading risk
- Durable Rockwell B55 hardness provides excellent wear resistance and long service life
- External hex drive design allows for high-torque installation with standard tools, speeding up assembly processes
- Fully threaded shank maximizes grip length and provides consistent clamping force across the entire fastener
- Comprehensive compliance with ASME B18.2.1, RoHS 3, and REACH ensures quality and environmental safety standards are met
Professional Applications & Engineering Value
This 5/16"-18 UNC brass hex head screw delivers exceptional engineering value in demanding applications where corrosion resistance and electrical conductivity are critical. The brass material inherently resists galvanic corrosion and weathering, making it ideal for marine equipment, electrical enclosures, and plumbing systems. The coarse UNC thread design provides superior performance in softer materials and faster installation times in production environments. With its external hex drive and fully threaded configuration, this fastener ensures secure fastening in vibration-prone applications while maintaining consistent tensile strength across industrial assemblies. The combination of Rockwell B55 hardness and precise Class 2A thread fit guarantees reliable performance in automated manufacturing and maintenance operations.
Specification Summary & Compliance
This brass hex head screw features precise Class 2A thread fit per UNC standards with 5/16"-18 thread size and 3/4" length. Manufactured to ASME B18.2.1 specifications, it ensures dimensional accuracy and interchangeability. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and safety standards for industrial components.
