S-91375A716 1/2"-13 x 1 1/2" ASME B18.3, ASTM F912 Set Screws
Set 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 black-oxide coating that protects against rust in demanding industrial environments
- Exceptional holding power from Class 3A thread fit ensuring tight, secure fastening with minimal vibration loosening
- Maximum torque transmission through the 1/4" hex drive design that prevents tool slippage during installation
- Enhanced material strength with Rockwell C45 hardness providing reliable performance under heavy loads
- Optimal penetration and grip from the cup point tip that creates positive seating in shaft applications
- Space-saving headless design allowing flush mounting where protruding fasteners aren't feasible
- Industry-standard compatibility with UNC coarse threads that facilitate quick assembly and disassembly
Professional Applications & Engineering Value
This black-oxide alloy steel set screw delivers critical engineering solutions for industrial machinery, automotive components, and power transmission systems. The UNC coarse thread configuration combined with Class 3A precision ensures rapid installation while maintaining vibration resistance in high-stress applications. The cup point tip bites securely into shaft materials, preventing rotational slippage in pulley, gear, and coupling assemblies. With Rockwell C45 hardness and corrosion-resistant black-oxide surface treatment, this hex drive set screw withstands extreme operational conditions while meeting rigorous industry standards for heavy-duty fastening requirements.
Specification Summary & Compliance
Manufactured to exacting ASME B18.3 specifications with Class 3A thread fit for superior dimensional accuracy. Features 1/2"-13 UNC coarse threads with right-hand direction and 1-1/2" length. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. The black-oxide alloy steel construction meets ASTM F912 requirements for consistent performance in demanding applications.
