S-90190A178 Length 1 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in industrial environments
• Efficient thread forming creates strong, permanent threads in sheet metal without requiring pre-tapped holes
• Easy installation and reduced assembly time with Phillips No. 2 drive and pointed tip for quick starting
• Optimal material engagement with fully threaded design and 16 threads per inch for maximum holding power
• Reliable fastening performance with A/AB thread forming type designed specifically for sheet metal applications
• Precise fit and reduced tool wear using standard No. 30 drill bit (0.1285") for proper hole preparation
• Industry compliance assurance meeting RoHS 3 and REACH environmental standards for global manufacturing requirements

Professional Applications & Engineering Value

These No. 7 tapping screws are engineered specifically for sheet metal applications where reliable fastening is critical. The zinc-plated steel construction provides essential corrosion protection for industrial environments, while the thread forming design eliminates the need for pre-tapped holes, reducing installation time and labor costs. The Phillips pan head with No. 2 drive offers secure tool engagement and a low-profile finish. With fully threaded configuration and 16 threads per inch, these screws deliver maximum pull-out resistance in metal assemblies up to 0.025" thickness. The pointed tip ensures easy starting and proper alignment, making them ideal for HVAC systems, electrical enclosures, and metal fabrication projects requiring consistent, high-performance fastening solutions.

Specification Summary & Compliance

This thread forming sheet metal screw features precise Class 2A thread tolerances with 0.151" thread diameter and right-hand threading. Manufactured to A/AB tapping screw standards for optimal performance in sheet metal applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial manufacturing. Designed for use with standard No. 30 drill bit (0.1285") for proper hole preparation and maximum drilling thickness of 0.025".