Manufacturers supply Tapping Screw Manufacturers supply Tapping Screw Tapping Screw Material: Carbon steel, stainless steel or brass Self Tapping Screw Material: Carbon steel, stainless steel or brass Head: Hex, round, square, pan, frame, CSK and others Surface: Zp, yzp, HDG, phosphated, Cr3+, Cr6+ Packing: 25kgs/CTN, then on pallets or as per your requirement Payment terms: 30% T/T, balance against B/L copy; L/C at sight Delivery time: 10-30days