New ???? H Paulin B232-090 #12 X 2-1/2in. Zinc Plated Hex Washer Head Self-Drilling Tek Screw ????

H Paulin #12 x 2-1/2 in. Zinc Plated Hex Washer Head Self-Drilling Tek Screw are made of high-quality steel and are specially heat treated. The drill point has been incorporated into the screw in the familiar twist drill design. These screws drill their own hole – form mating threads – fasten securely and can be used in steel, plastics, composite materials, wood plus various laminates. Determine total thickness of the material to be drilled then choose No. 2 or No. 3 point to allow complete drilling.