DURADRIVE CONCRETE SCREW FLAT 1/4X3-1/4" 100/JAR
Item No. 26746
DuraDrive 1/4 in. x 3-1/4 in. Flat Square #3 Head Blue Ruspert Concrete Screws with improved thread design that allows it to anchor sturdily into concrete, brick and block. Using the correct bit (that is included), drill hole in masonry to depth of at least 1/4 in. deeper than installed screw.