High Quality Tapered Drill Rod B22 Tapered Drill Pipe
High quality tapered drill rod B22 tapered drill pipe
Tapered drill rod, B22 drill rod/drill pipe for rock dril :
Tapered drill rod, Drill rod for rock drilling machine,Integral drill rod B19 B22, 22mm diameter drill rod/drill pipe, Tapered drill rod, integrail drill rod, integral drill pipe, Hex mining rock drill steel rod, Light weight rock drilling rod, rock drilling
pipe 2m, 4m coal mining rock drilling rod , rock drill tapered steel rods.
This drill rod can be connected with button bits,taper bits,and cross-type bits.
Application:Tapered drill rods are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling.
Technical Parameters:
Model: B19,B22,B25
Model |
Taper Degree |
Drilling Road Length |
Shank Size |
Hex.19mm |
7°,4.8°,12° |
0.4m-4.0m |
83mm,108mm |
Hex.22mm |
7°,4.8°,12° |
0.8m-6.0m |
83mm,108mm |
Hex.25mm |
7° |
0.8m-6.0m |
108mm,159mm |
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