... ,23mm 3.We also provide INCH SIZE punch Description of screw header punchApplication Machine thread , Tapping thread , Wooden thread , Drywall Thread ... ,ANSI,ISO,BS,GBDriver typePH(+), POZI(*), SLOT(-), PH/SLOT(+-), SUQARE, HEX, 6-LOBE…CoatingPLAINWith coating : TiN coating(yellow), TiALN (black)Delivery ... (10pcs/box)Origin placedongguan , China (mainland)Produce as your requirement screw punch with ph