S-90184A287 Length 2 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and outdoor applications
• Eliminates need for pre-tapped holes through thread forming technology, reducing installation time and labor costs
• Secure and reliable fastening with fully threaded design and pointed tip for precise engagement in sheet metal
• Optimized for sheet metal applications with No. 8 screw size and 2-1/2" length providing strong holding power
• Easy installation and removal with No. 2 Phillips drive design, minimizing cam-out and tool slippage
• Consistent thread engagement with 15 threads per inch and standard pan head profile for uniform clamping force
• Compliance with industrial safety standards including RoHS 3 and REACH regulations for environmental responsibility

Professional Applications & Engineering Value

These 316 stainless steel tapping screws deliver exceptional performance in demanding sheet metal applications where corrosion resistance is critical. The thread forming technology creates strong, permanent threads in parent material without chip formation, eliminating the risk of loose metal particles in sensitive equipment. The Type A/AB thread design provides excellent pull-out resistance while the fully threaded configuration ensures maximum engagement depth. The Phillips pan head offers a low-profile finish with reliable drive transfer, making these screws ideal for HVAC systems, electrical enclosures, automotive components, and marine equipment where exposure to moisture, chemicals, and temperature variations requires superior corrosion protection and long-term reliability.

Specification Summary & Compliance

This No. 8 x 2-1/2" tapping screw features a 0.164" thread diameter with 15 threads per inch, Class 2A thread tolerances, and standard pan head profile (0.322" diameter, 0.115" height). Manufactured to thread forming Type A/AB specifications for use with No. 29 drill bit (0.136" diameter) in materials up to 0.025" thickness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industrial compliance standards.