Tapping screws 1.Material:Stainless steel,Carbon steel 2.Surface:Dacromet plated,plastic spraying 3.Size:ST2.9-ST9.5 tapping screw:Materials: stainless steelSize: ST2.2-ST6.3Surface: plainStandard: DIN, ANSI, JIS, BSscrew slot form:philips,phil-slot,pozi,hexsocket,six-lobe,square,triangle,slotted.Terms of payment:A)30%TT in advance ,the balance against email copy of B/L B)L/C at sightPacking: ...