Features:

·   Undercut-indented hex washer slotted head

·   Bright Zinc Plated

·   Burr Fee

·   Full 1/4" (no 8) head will not strip out of hex driver opening

·   One 1/4" hex driver accommodates all sizes

·   Undercut - always seats flush

·   Some screws sizes available in pails.

·   U.S. Patent No. D524,638

·   Single starting thread machined down to very tip of screw point.

·   Instantly penetrates and engages in heavy gauge sheet metal and layered light gauge.

·   Quality controlled heat treat

·   Sharp tapered point will not mushroom or break

·   No walking