Malco 8X11/2 Zip-In Self-Piercing Screws | 1/4" Slotted Hex Washer Head Sheet Metal Screws | Fast & Easy Piercing | Zinc Plated (4500 Count) Diameter:#8 191 square shank that provides

191 square shank that provides enhanced grip and stability

enhancing gripping power and stability when securing materials

Right Hand Thread Direction: Designed for easy and efficient threading

Dimensions: With dimensions of 13/16" x 7/32"

Adjustability: Features a unique design that allows for optimal post placement around the anchor bolt

Malco 8X11/2 Zip-In Self-Piercing Screws | 1/4" Slotted Hex Washer Head Sheet Metal Screws | Fast & Easy Piercing | Zinc Plated (4500 Count) Diameter:#8 191 square shank that providesDesigned 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