Philips drive countersunk head Self Tapping Screw , ASME 18-8 stainless steel , 30 degree sharp thread angle is able to fast drill into metal or wooden parts , pre-drilling before drill screw into material . Specification : M4X15 Philips drive : #2 Sheet thnkness : 1.0mm recommended thinkness to be used , Screwdrive bit : #2 Screw gun : Suggestion for Pneumatic Style Depth for pre-drilling : 1.0-2.0mm Material : C1018 Finish : Nickel Other available material : Carbon steel , stainless steel A4 and Aluminum . |