Twist Drill Pipe
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Twist Drill Pipe
Other Names:
Product Introduction Spiral drill pipes design feature: overlay spiral. It guarantees big torque, quick slagging, and clear hole forming. Besides, the drill bit will hardly get stuck. Application: soft coal bed, and other formation similar to coal bed. T
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Product Detail：
Product Introduction
Product Introduction
Spiral drill pipes design feature: overlay spiral. It guarantees big torque, quick slagging, and clear hole forming. Besides, the drill bit will hardly get stuck. Application: soft coal bed, and other formation similar to coal bed. The tapered drill rod is used for rock drilling, blasting holes and other drilling works in the quarries, coal mines, traffic and other constructions. Generally, the lightduty rock drill uses 7 taper or smaller taper angle, the heavyduty rock drill mainly uses 12 taper angle.
Technical Parameters
|
Specifications( mm) |
Craft |
Connection type with drilling machine |
||
|
Dia. |
Length |
Thread type |
||
|
50-42 |
500~1500 |
Taper thread |
Friction welding |
clamp |
|
63.5-42 |
500~1500 |
Taper thread |
Friction welding |
clamp |
|
63.5-50 |
500~1500 |
Taper thread |
Friction welding |
clamp |
|
73-50 |
500~1500 |
Taper thread |
Friction welding |
clamp |
|
73-63.5 |
500~1500 |
Taper thread |
Friction welding |
clamp |
|
90-63.5 |
500~1500 |
Taper thread |
Friction welding |
Match active drill rod |
|
98-73 |
500~1500 |
Hex. Shank |
Friction welding |
Match active drill rod |
|
110-63.5 |
500~1500 |
Taper thread |
Friction welding |
Match active drill rod |
|
130-63.5 |
500~1500 |
Taper thread |
Friction welding |
Match active drill rod |
|
146-73 |
500~1500 |
Taper thread |
Friction welding |
Match active drill rod |
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