Description of screw header punch Application Machine thread M1.2-M30 , Tapping thread M1.0-M20 Material M2, M3, M42, SKH-9 Specification ?D:12,14,18,23,30 L:25 Standard JIS,DIN,ANSI,ISO,BS,GB Hardness HRC:61-63 Driver type PH(+), POZI(*), SLOT(-), PH/SLOT(+-), SUQARE, HEX, 6-LOBE? Coating PLAIN TIN : Yellow Tin, Black Tin Performance Yellow Tin = 1.5(2)*Plain Black Tin =1.5(2)*Yellow Tin Production cycle 10-20 working days Piece weight 12*25=25g , 14*25=30g , 18*25=50g , 23*25=80g MOQ 50pieces/type Packing Carton (10pcs/carton) Origin place Hebei , China (mainland) Produce as your requirement