S-90077A203 Length 1 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in demanding industrial environments
• Efficient thread-forming design creates strong, permanent threads in sheet metal without pre-tapping, reducing installation time and labor costs
• Versatile dual-drive system with Phillips/Slotted head accommodates various tools, providing flexibility for different assembly line setups
• Maximum holding power through fully threaded 1-1/2" length, delivering consistent clamping force across the entire fastener engagement
• Precision threading with 0.164" diameter and 15 TPI ensures reliable, vibration-resistant connections in sheet metal applications
• Optimized for sheet metal with pointed tip and No. 29 drill bit compatibility, enabling quick penetration and secure fastening in materials up to 0.025" thick
• Environmental compliance meets RoHS 3 and REACH standards, supporting sustainable manufacturing practices and global supply chain requirements

Professional Applications & Engineering Value

These No. 8 zinc-plated steel tapping screws deliver exceptional engineering value in sheet metal fabrication and assembly operations. The thread-forming A/AB tapping screw design eliminates the need for separate tapping operations, significantly reducing production time while creating strong, reliable threads that resist vibration loosening. The zinc-plated steel construction provides essential corrosion protection for industrial environments, while the Phillips/Slotted drive offers installation flexibility across different production scenarios. With fully threaded coverage and precise 15 TPI threading, these screws maintain consistent clamping force in sheet metal applications, preventing joint failure and ensuring long-term structural integrity in HVAC systems, electrical enclosures, and metal furniture assembly.

Specification Summary & Compliance

These tapping screws feature precision Class 2A thread tolerances with 0.164" thread diameter and 15 TPI threading. The A/AB tapping screw type follows industry-standard thread forming specifications for sheet metal applications. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage in global markets. The combination of zinc-plated steel material and thread-forming design meets rigorous industrial fastener standards for durability and performance.