Applicable Industries
Certificates Repair 숍, 에너지 & 광산
color
blue or as your order
fromation
soft to hard formation
application
construction, geothermal
Size
8 1/4,9 7/8, 12 1/4, 17 1/2
Use
water well and oil well and so on
Type
drilling rock bit for water well
Place of origin
hebei, china