8-15X1 5/8 Phil Wafer Head w/Nibs High Low Spade Point Full Thread Self Drill Green Ceramic (Pack Qty 1,000) BC-0826KPFSH

Specifically designed for attaching cement board to plywood AISI 1018 - 1022 steelYou may also like 1/4-14X3/4 Slotted Indent Hex Washer Serrated Self Tap Screw Type AB Full Thread Zinc (Pack Qty 3,000) BC-1412ABSWS.