The Hillman Group 47228 1/4-14-Inch x 2-1/2-Inch Washer Head Self Drilling Screw, 1-Pound, zinc Product Description The product is LB 2.5x14 ZN SD Screw. Easy and simple use kit. The product is manufactured in China.. Elegant design and finish. From the Manufacturer These self-drilling screws are used in wood, fiberglass and metal, and they possess a drill point enabling it to drill in its own hole in thin gauge steel. The sharp threads create their own mating thread when drilled into the material. No pre-drilled pilot holes necessary. Features The product is LB 2.5x14 ZN SD Screw Easy and simple use kit The product is manufactured in China Self-drilling point eases installation Also known as sheet metal screws Steel/Zinc Plated USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.