
F型鉆頭規
80 -130 0.02,0.05 ∮80 -130
130 -230 0.02,0.05 ∮ 130 -230
230 -350 0.02,0.05 ∮230 -350
350 -480 0.02,0.05 ∮350 -480
480 -750 0.02,0.05 ∮ 480 -750
750-1050 0.02,0.05 ∮ 750 -1050
O型鉆頭規60-160,80-220,130-320,220-380,270-510,300-550,400-670