Hex Washer-Head Self-Drilling Screws Assortment (1/4"-14)Hillman Item #46163
An assortment of hex washer-head self-drilling screw variants 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 feature a coarse 1/4"-14 thread size and range from 3/4" to 3" in length. Full assortment contains six (6) refills comprised of Hillman item numbers #2665, #2666, and #408027 - #408030.