S-92765A647 1/2"-20 x 3/4" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior holding power with Class 3A thread fit for tight, secure fastening in demanding applications
• Exceptional corrosion resistance provided by the black-oxide finish, extending service life in harsh environments
• High-strength durability from Rockwell C45 hardened alloy steel, resisting wear and deformation under heavy loads
• Secure, flush installation with the headless and oval tip design, preventing component interference and loosening
• Easy installation and removal using the standard 1/4" hex drive, compatible with common industrial tools
• Precise fine thread engagement with 1/2"-20 UNF threads, ensuring accurate alignment and vibration resistance
• Broad regulatory compliance meeting ASME, ASTM, RoHS 3, and REACH, ensuring safety and environmental standards

Professional Applications & Engineering Value

This black-oxide alloy steel set screw is engineered to address critical challenges in industrial assembly, where vibration resistance, precise positioning, and long-term reliability are paramount. The Class 3A thread fit and fine UNF threads provide superior clamping force and minimize loosening in machinery, automotive components, and precision equipment. The headless design with an oval tip allows for flush mounting, protecting adjacent parts and maintaining a clean profile. Made from Rockwell C45 hardened alloy steel, it withstands high stress and repetitive loads, while the black-oxide surface treatment offers enhanced corrosion protection, making it ideal for both indoor and outdoor heavy-duty applications.

Specification Summary & Compliance

This set screw features a 1/2"-20 UNF thread with Class 3A fit for high precision and tight tolerances. It complies with ASME B18.3 and ASTM F912 specifications, ensuring consistent manufacturing quality. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.