Malco 8X11/2 Zip-In Self-Piercing Screws | 1/4" Slotted Hex Washer Head Sheet Metal Screws | Fast & Easy Piercing | Zinc Plated (4500 Count) Length:1-1/2 In. Shank Size: 10mm shank for

Shank Size: 10mm shank for compatibility with most drill chucks

Diameter: 1-1/2 inches (38

Experience the reliability of high-speed steel

Shank: Straight Shank for compatibility with various drill machines

Malco 8X11/2 Zip-In Self-Piercing Screws | 1/4" Slotted Hex Washer Head Sheet Metal Screws | Fast & Easy Piercing | Zinc Plated (4500 Count) Length:1-1/2 In. Shank Size: 10mm shank forDesigned for rapid, reliable metal fastening, Malco Zip In 8 x 1 1 2 Self Piercing Screws deliver piercing power with minimal effort. The zinc plated finish resists rust, making them ideal for outdoor and humid environments, and the 4500 count pack keeps large projects moving without interruption. These screws are purpose built for sheet metal work where speed and accuracy matter, from roofing and flashing to ductwork and metal siding. Penetrating