S-94209A545 8-32 x 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black coating for extended service life in demanding industrial environments
• Enhanced torque transmission through Torx Plus IP20 drive system, reducing cam-out and tool wear
• Maximum thread-forming efficiency with Tri-Lobe shank design for secure fastening in aluminum, brass, and copper
• Reliable coarse thread engagement with UNC 8-32 specification ensuring strong holding power in soft materials
• Optimized installation process using standard No. 29 drill bit for precise hole preparation
• Full regulatory compliance meeting RoHS 3 and REACH standards for global industrial applications
• Consistent dimensional accuracy with controlled length tolerance for uniform assembly results

Professional Applications & Engineering Value

These black corrosion-resistant coated steel tapping screws provide exceptional engineering value in aluminum, brass, and copper applications where material integrity and fastener reliability are critical. The Tri-Lobe shank cross-section and thread forming design create strong, permanent threads in soft metals without tapping operations, eliminating chip formation and reducing installation time. The Torx Plus IP20 drive system delivers superior torque transmission compared to conventional drives, preventing stripping and ensuring consistent clamping force in industrial fastening applications. The combination of UNC coarse thread and blunt tip facilitates easy starting and straight thread engagement, making these screws ideal for high-volume production environments requiring reliable, repeatable fastening solutions.

Specification Summary & Compliance

Manufactured to precise dimensional standards with UNC 8-32 coarse thread specification and length tolerance of -0.03" to 0". Features right-hand thread direction with fully threaded design and standard pan head profile. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial applications. Designed for use with No. 29 drill bit (0.136" diameter) for optimal thread-forming performance in specified materials.