S-92505A189 8-32 x 3/16" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Maximum holding power with Class 3A thread fit for secure, vibration-resistant fastening in demanding applications
• Superior corrosion resistance from Black Oxide surface treatment, extending service life in harsh industrial environments
• Exceptional durability with Rockwell C45 hardness alloy steel construction, resisting wear and deformation under heavy loads
• Easy installation and removal using standard 5/64" hex drive tools, reducing assembly time and maintenance costs
• Reliable positioning with extended tip design providing positive engagement and preventing component slippage
• Industry-standard compatibility with UNC coarse threads ensuring perfect interchangeability with existing 8-32 threaded components
• Regulatory compliance meeting ASME B18.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

This 8-32 UNC set screw delivers exceptional engineering value in industrial applications where vibration resistance and permanent positioning are critical. The Black Oxide Alloy Steel construction combined with Rockwell C45 hardness ensures reliable performance in machinery, automotive components, and precision equipment subject to constant stress. The extended tip design provides superior biting action into shaft surfaces, preventing rotational movement in pulleys, gears, and collars. With Class 3A thread fit and coarse UNC threading, these headless set screws offer quick installation and maximum clamping force while maintaining dimensional stability. The 5/64" hex drive accommodates standard industrial tools, streamlining maintenance procedures in manufacturing and assembly operations.

Specification Summary & Compliance

This set screw features precision 8-32 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy and engagement. Manufacturing complies with ASME B18.3 specifications where applicable per ASTM F912. The product meets environmental compliance standards including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) requirements. Critical dimensions include thread diameter of 0.164", length of 3/16", extended tip diameter of 0.109" with specified tolerances, and tip length of 0.043" with controlled tolerance range.