适用行业
建材店, 维修店, 施工工地, 能源矿产
connect thread
API 2 3/8" API 3 1/2" API 4 1/2" API 6 5/8" REG
drilling hole diameter
85mm-305mm
usage
water well, oil, gas deep down the hole drilling
application
COP MISSION SD QL DHD IR BR33
size
3" 3.5" 4" 5" 6" 8" 10" 12"