S-91375A680 7/16"-20 x 3/8" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide finish, extending service life in harsh industrial environments.
• Exceptional thread precision with Class 3A fit for secure, vibration-resistant fastening in critical assemblies.
• High strength and durability from Alloy Steel with Rockwell C45 hardness, ensuring reliable performance under heavy loads.
• Easy installation and removal using a 7/32" hex drive, providing a flush, headless design for space-constrained applications.
• Enhanced grip and positioning with a cup tip, preventing slippage and maintaining component alignment.
• Wide compatibility with UNF fine threads (7/16"-20), offering precise adjustments and tight seals in right-hand threaded systems.
• Regulatory compliance assurance meeting ASME B18.3, RoHS 3, and REACH standards for safe, quality-driven use.

Professional Applications & Engineering Value

This Black-Oxide Alloy Steel set screw is engineered to address common industrial challenges like vibration loosening and corrosion in machinery, automotive, and aerospace assemblies. Its Class 3A UNF fine threads deliver superior clamping force and accuracy, reducing the risk of thread stripping in high-stress applications. The headless hex drive and cup tip design enable flush mounting and secure component locking, ideal for precision equipment where space and alignment are critical. Made from hardened Alloy Steel (Rockwell C45), it withstands repetitive loads and harsh conditions, ensuring long-term reliability while complying with ASME B18.3 specifications for consistent performance.

Specification Summary & Compliance

This set screw features a 7/16"-20 UNF fine thread with Class 3A tolerance for precise fit, a right-hand thread direction, and a 3/8" length. It conforms to ASME B18.3 manufacturing standards and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and quality assurance.