100 quantity of 1/2-inch length Hex washer zip in screws
Full 1/4-inch (no. 8) head will not strip out of Hex Driver opening
Instantly penetrates and engages in heavy gauge sheet metal and layered light gauge
Sharp tapered point will not walk, mushroom or break
Burr free, bright Zinc Plated, undercut-indented Hex washer slotted head