1/4-14X2 Hex Flange Self Drill with Rubber Washer Full Thread Zinc 1000hours Salt Spray (Pack Qty 1,000) BC-1432KWWHC

An unslotted hex head tapping screw with a conical flange and free spinning, captive rubber washer. The underside of the flange in undercut, creating a space for the rubber washer to be seated. Screw has spaced threads and a shorted drill point which drills its own hole When properly installed, this fastener: (a) offers protection against leakage, and (b) minimizes damage to the mating surface caused by contact with a steel washer. Sealing screws may be used to attach roofing or metal walls to steel frames. Ruspert finisYou may also like M3.5-1.57X10 Metric 6 Lobe Pan Head PT Alternative Fully Threaded Zinc (Pack Qty 5,000) BC-M3.510PTTP.