S-90077A157 Length 1 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Corrosion-resistant zinc plating extends service life in demanding industrial environments
• Dual Phillips/Slotted No. 2 drive provides installation flexibility with standard tools
• Thread-forming A/AB design creates permanent, vibration-resistant connections without pre-tapped holes
• Fully threaded 1-1/2" length ensures maximum grip strength throughout the entire fastener engagement
• Optimized 18 TPI thread pitch delivers superior holding power in sheet metal applications
• Standard pan head design offers reliable clamping force with clean aesthetic appearance
• Precision-engineered dimensions maintain consistent performance with No. 32 drill bit compatibility

Professional Applications & Engineering Value

These zinc-plated steel tapping screws solve critical fastening challenges in sheet metal fabrication and assembly operations. The thread-forming technology eliminates the need for separate tapping operations, reducing installation time and labor costs while creating stronger connections than conventional screws. The A/AB tapping screw type with fully threaded design ensures maximum thread engagement in materials up to 0.025" thickness, preventing loosening under vibration. The Phillips/Slotted combination drive provides installation versatility for both automated and manual assembly processes, while the rounded pan head distributes clamping force evenly without damaging thin-gauge materials.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 0.138" thread diameter and 18 threads per inch for consistent performance. Features right-hand threading and Class 2A thread fit for reliable engagement. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications. Designed for use with No. 32 drill bit (0.116" diameter) for optimal hole preparation in sheet metal installations.