S-92991A212 6-32 x 3/8" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with brass construction for long-lasting performance in harsh industrial environments
• Precise Class 3A thread fit ensures secure, vibration-resistant fastening in critical applications
• Hex drive design (1/16") provides excellent torque transmission and prevents tool slippage during installation
• Cup tip configuration creates positive seating and prevents damage to shaft surfaces
• Right-hand coarse UNC threading enables quick installation and removal while maintaining holding strength
• Rockwell B55 hardness rating delivers optimal balance between machinability and durability
• Headless design allows for flush mounting in space-constrained applications

Professional Applications & Engineering Value

This 6-32 UNC brass set screw addresses critical engineering challenges in precision assembly applications where corrosion resistance and reliable positioning are paramount. The brass material provides excellent performance in marine, electrical, and plumbing systems where galvanic corrosion must be avoided. The Class 3A thread fit ensures tight tolerances for vibration-prone equipment, while the cup tip design creates positive contact points on shafts and collars without causing surface damage. The hex drive configuration allows for high-torque installation in confined spaces, making these headless set screws ideal for precision machinery, instrumentation, and automotive components where flush mounting is required.

Specification Summary & Compliance

This set screw features precision 6-32 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy. Manufactured to ASME B18.3 specifications with Rockwell B55 hardness rating. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.