HERE IS A LOT OF 100 PCS. 1/4" DIAMETER X 7/8" LONG HEX - WASHER HEAD SELF TAPPING SCREWS. RUST RESISTANT ZINC PLATED. WASHER HEAD IS INTEGRAL PART OF SCREW.
HEADS OF SCREWS ARE 7/16" HEX PATTERN - SEE PHOTO. UNDERSIDE OF WASHER HEAD HAS STAR LOCKING PATTERN BUILT-IN.
1/4" CLEARANCE HOLE IS REQUIRED, SMALLER HOLE FOR SELF TAPPING= VARIES DEPENDING ON THICKNESS & TYPE OF MATERIAL YOUR TAPPING INTO.
