S-90356A306 Length 1 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black Oxide 18-8 Stainless Steel construction for extended service life in harsh environments
• Efficient thread forming technology creates strong, permanent threads in sheet metal without pre-tapping requirements
• Optimized for sheet metal applications with precise No. 21 drill bit compatibility and 0.025" maximum drilling thickness
• Reliable Phillips drive system (No. 2 size) ensures secure installation and prevents cam-out during tightening
• Full threading design provides maximum grip length and superior holding power throughout the entire fastener
• Compliant with industry regulations including RoHS 3 and REACH for global market acceptance and environmental safety
• Standard pan head profile offers excellent bearing surface and professional finished appearance

Professional Applications & Engineering Value

These Black Oxide 18-8 Stainless Steel tapping screws deliver exceptional performance in demanding sheet metal applications where corrosion resistance and structural integrity are paramount. The thread forming technology eliminates the need for separate tapping operations, reducing installation time and labor costs while creating stronger, more reliable threads that won't strip under vibration. The combination of 18-8 stainless steel with black oxide surface treatment provides enhanced protection against rust and chemical exposure, making these Phillips pan head screws ideal for HVAC systems, electronic enclosures, automotive components, and industrial equipment where environmental factors challenge fastener durability. The precise A/AB screw type design ensures consistent performance across high-volume production runs.

Specification Summary & Compliance

This No. 10-12 x 1-1/2" tapping screw features a 0.19" thread diameter with 12 threads per inch, fully threaded shank, and standard pan head profile (0.373" diameter, 0.133" height). Manufactured to precise dimensional standards for thread forming applications in sheet metal, it requires a No. 21 drill bit (0.159" diameter) and accommodates maximum drilling thickness of 0.025". The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting the latest environmental and safety regulations for industrial fasteners.