Tungsten Carbide Drill Rod , Small Hole Drill Extension Rod Shank H22 x 108mm Characteristics 1. Type: Chisel or Cross 2. Shank size:hex19mm hex.22mm, ...
Quarry Tapered Drill Rod / Drill Extension Rod H22x108mm Shank For Small Hole Drilling Characteristics Shank H22x108mm, H19x108mm, and standard hex. ....
R780 Steel 2 7/8" API Mining Water Well Rock Drilling Rod Api Reg Dth Drill Rod For Sale 3 Meter 1.5m 2m Water well drill rod production process The ....
Manufacturer Water Well Drill Rod Oilfield Pipe With Thread Drill High Quality DTH Drilling Rod Introduction to drill pipe Drill pipes that are used ....
Hot Sale API 2 3/8'' REG Standard 76 89 102 Mm Water Well Rock Dth Drill Rod Product Description DTH drill pipes are widely used in mines, water wells...