![Hex Washer Head Self Drill Screw w/ Neoprene Washer](http://www.sterlinghardware.com/cdn/shop/products/00721_450_{width}x.jpg?v=1575439626)
Hex Washer Head Self Drill Screw w/ Neoprene Washer
A hex washer head tapping screw with spaced threads and a drill point which drills its own hole. Beneath the head is a thin conically shaped circular steel washer, bonded to a similarly shaped rubber like piece which as a slightly smaller outside and inside diameter when these washers are assembled. ZB - Zinc Blue