Self-Drilling Screw, 1/4"-14 x 1-1/2 in, Black Oxide Steel Truss Head Phillips Drive (Discontinued)

14x1 1/2 phillips full contour truss self taping screw type a b full threaded black oxide. Type ab thread for use in the thinner sheet metal like used in appliances. Truss head screws are weaker than pan or round heads but preferred in applications where minimal clearance exists above the head. Modified truss heads offer low clearance and an extra large bearing surface. Commonly used to attach metal lathe to metal studs.