An assortment of flat-head and pan-head, Phillips-drive, self-drilling screws from The Hillman Group. Self-drilling screws possess a drill point enabling it to easily drill into material such as thin-gauge steel, wood, and fiberglass. No pilot holes required. Variants included in this assortment range from #6-20 to #12-24 in coarse thread size and from 3/8" to 2" in length. Full assortments of #2642 contain thirteen (13) refills comprised of Hillman item numbers #2643 - #2655.