Undercut - indented hex washer slotted head |
Bright zinc plated |
Burr free |
Full 1/4 in (No 8) head will not strip out of hex driver opening |
One 1/4 in hex driver accommodates all sizes |
Undercut - always seats flush |
Some screws sizes available in pails |
Trademarked and patented head markings indicate one and only genuine zip-ins |
Combination lead double thread design single starting thread machined down to very tip of screw point, Instantly penetrates and engages in heavy gauge sheet metal and layered light gauge |
Consistent hard point quality controlled heat treat |
Sharp tapered point will not mushroom or break |
No walking |