S-90077A207 Length 2 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding industrial environments
• Enhanced torque transfer and reduced tool slippage through dual Phillips/Slotted drive compatibility
• Exceptional holding power in sheet metal achieved through thread forming technology that creates strong, permanent threads
• Consistent fastening strength across the entire length with fully threaded design
• Easy installation and alignment with pointed tip and standard pan head profile
• Reliable performance in thin materials with maximum 0.025" drilling thickness capability
• Compliance with international safety standards including RoHS 3 and REACH regulations

Professional Applications & Engineering Value

These No. 8 tapping screws deliver exceptional engineering value in sheet metal applications where vibration resistance and permanent fastening are critical. The zinc-plated steel construction provides durable protection against corrosion, while the thread forming technology creates precise, strong threads without generating chips - eliminating contamination risks in sensitive assemblies. The combination of Phillips/Slotted drive offers flexibility for various installation tools, ensuring reliable torque application in confined spaces. The fully threaded design maintains consistent clamping force across the entire 2-1/2" length, preventing loosening under dynamic loads. These features make these A/AB type tapping screws ideal for HVAC systems, electrical enclosures, automotive panels, and industrial equipment where sheet metal fastening demands precision and durability.

Specification Summary & Compliance

This thread forming sheet metal screw features precise No. 8 size with 0.164" thread diameter and 15 threads per inch, manufactured to standard tolerances for consistent performance. The tapping screw complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industrial compliance. Designed for use with No. 29 drill bit (0.136" diameter), this fastener maintains thread forming integrity across its specified application range in various metal working scenarios.