S-92941A593 5/16"-18 x 2 1/2" 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 from high-quality brass construction, ideal for harsh industrial environments
- Exceptional mechanical strength with 50,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing performance
- Optimized torque transmission through external hex drive and 1/2" head width for secure installation
- Precision threading with UNC coarse thread pattern and Class 2A fit ensuring consistent engagement
- Versatile partial threading design allowing for both clamping and clearance functions in assemblies
- Industry-standard compliance meeting ASME B18.2.1 specifications for guaranteed interchangeability
- Environmental responsibility with RoHS 3 and REACH compliance for sustainable operations
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 5/16"-18 UNC brass hex head screws provide critical solutions where corrosion resistance and mechanical reliability are paramount. The brass material offers inherent protection against galvanic corrosion and chemical degradation, making them ideal for marine, plumbing, and electrical applications. The coarse UNC thread design ensures rapid assembly and superior vibration resistance, while the partial threading allows for precise clamping force distribution. With external hex drive compatibility, these fasteners deliver efficient installation using standard tools, reducing assembly time in manufacturing, machinery, and heavy equipment maintenance where ASME B18.2.1 compliance guarantees dimensional consistency across replacement cycles.
Specification Summary & Compliance
This 2-1/2" length hex head screw features precise Class 2A thread fit with 5/16"-18 UNC coarse thread specification and minimum 7/8" thread length. Manufactured to ASME B18.2.1 dimensional standards, the fastener ensures mechanical compatibility across industrial applications. Regulatory compliance includes RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) environmental safety requirements, confirming suitability for global supply chains and environmentally conscious operations.
