S-91381A242 10-24 x 1/2" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating on alloy steel, extending service life in harsh industrial environments.
• Precise thread engagement with Class 3A fit for reliable, vibration-resistant fastening in high-stress applications.
• Non-marring brass tip protects sensitive surfaces from damage while ensuring secure component positioning.
• High-strength construction with Rockwell C28 hardness for durable performance under heavy loads.
• Easy installation and removal using the 3/32" hex drive, compatible with standard tools for efficient maintenance.
• Optimized for right-hand coarse threads (10-24 UNC) providing quick assembly and strong holding power.
• Compact headless design allows flush mounting in confined spaces without protruding components.

Professional Applications & Engineering Value

This 10-24 UNC set screw delivers exceptional engineering value in precision assembly applications where component slippage must be prevented. The black-oxide alloy steel construction combined with Class 3A thread fit ensures maximum clamping force and vibration resistance in machinery, automotive, and aerospace components. The integrated brass soft tip eliminates surface damage on shafts, gears, and collars while maintaining secure positioning. With its coarse thread spacing and right-hand thread direction, this headless set screw provides rapid installation in production environments while meeting the demanding requirements of industrial set screws for heavy-duty applications.

Specification Summary & Compliance

This set screw maintains Class 3A thread fit per UNC standards with precise dimensional accuracy. Manufactured in compliance with ASME B18.3 specifications, ensuring consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental and safety regulations for industrial use.