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- Drill Rod
- Rock Drilling Tools
- Extension Rod
The 11° taper drill hole is made of carburized alloy steel for extremely strong ductility and hardness. The head is connected to the taper bit, and the tail is connected to the rock drill, jackhammer...
Hexagonal tapered drill rod H19(3/4")x108mm,Shank, H22(7/8")x108mmShank, H25(1")x159mm Shank, Lenth:400mm-4800mm (quality alloy hollow steel) We can offer H22x108mm,Tapered Drill Rod Flushing...