S-91375A668 7/16"-14 x 7/8" 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 through black-oxide surface treatment, extending service life in demanding industrial environments
- Exceptional holding power with Class 3A thread precision, ensuring secure fastening and vibration resistance
- High-strength performance from alloy steel construction with Rockwell C45 hardness, preventing deformation under heavy loads
- Optimized installation efficiency with 7/32" hex drive and headless design, ideal for space-constrained applications
- Reliable grip and positioning through cup tip design, minimizing component slippage during operation
- Industry-standard compatibility with 7/16"-14 UNC coarse threads, facilitating easy replacement and maintenance
- Regulatory compliance assurance meeting ASME B18.3, RoHS 3, and REACH standards for global industrial use
Professional Applications & Engineering Value
This black-oxide alloy steel set screw delivers critical engineering solutions where vibration resistance and corrosion protection are paramount. The Class 3A thread fit provides superior tolerance control for precision assemblies in machinery, automotive components, and industrial equipment. The headless design with hex drive enables flush mounting in confined spaces while maintaining high torque capability. 7/16"-14 UNC coarse threads ensure rapid installation and reliable performance in high-stress applications. The combination of Rockwell C45 hardness and protective black-oxide finish creates an optimal balance between mechanical strength and environmental durability, making these industrial set screws ideal for permanent fastening solutions requiring long-term reliability.
Specification Summary & Compliance
Manufactured to exacting ASME B18.3 specifications with Class 3A thread fit precision for superior dimensional accuracy. Features 7/16"-14 UNC coarse threads with right-hand direction and 7/8" length. The black-oxide alloy steel construction meets Rockwell C45 hardness standards. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.
