S-91375A442 10-32 x 1/2" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior holding power with Class 3A thread fit ensuring precise, vibration-resistant connections in demanding applications
• Enhanced corrosion resistance from Black-Oxide surface treatment, extending service life in industrial environments
• Exceptional durability provided by Alloy Steel construction with Rockwell C45 hardness for reliable, long-term performance
• Secure, non-slip fastening thanks to the cup tip design that digs into mating surfaces without slipping
• Space-saving installation with headless design ideal for confined spaces and flush-mounted applications
• Easy installation and removal using standard 3/32" hex tools for efficient maintenance and assembly
• Precision fine threading (10-32 UNF) delivers superior clamping force and load distribution

Professional Applications & Engineering Value

This Black-Oxide Alloy Steel set screw delivers exceptional engineering value for industrial applications requiring reliable, vibration-resistant fastening. The Class 3A thread fit and UNF fine threading provide superior clamping force and precise alignment in machinery, automotive components, and precision equipment. The cup tip design ensures positive locking by creating a permanent indentation in mating surfaces, preventing rotational slip under high torque conditions. The headless configuration allows for flush mounting in space-constrained assemblies while maintaining full thread engagement. With Rockwell C45 hardness, this fastener withstands repeated adjustments without thread deformation, making it ideal for permanent installations requiring maximum holding power and corrosion resistance in challenging industrial environments.

Specification Summary & Compliance

This precision 10-32 UNF set screw features Class 3A thread fit for superior dimensional accuracy and tight tolerances. Manufactured to ASME B18.3 specifications (ASTM F912) with right-hand fine threading, 0.19" thread diameter, and 1/2" length. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications while meeting international quality standards for reliable performance.