Material:Mild Steel,carbon steel,sus304,sus316 and so on Description:Self Drilling Screw Features: 1)Standard:DIN,ISO,ASME/ANSI,BS,JIS,GB. 2)Material:Mild Steel,carbon steel,sus304,sus316 and so on 3)Size:All sizes are available 4)Finish:plain,black,zinc,HDG, dacromat and so on 5)Packing:Export Packing (Carton/ Pallet).also according to customer`s requirement. Self Drilling Screw