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Definition, use and common specification parameter table of twist drill pipe
Release time:
2019-12-04
Author:
Source:
This product has light weight (45% lighter than the old twist drill pipe), fast footage, small dust, vertical downward drilling without leaving debris, clear hole. The rod body can be used separately from the drill tail to extend the service life.
beneficial mine twist drill pipeOn the basis of the original old twist coal drill pipe, it adopts high-quality steel pipe and T-shaped steel belt welding structure and is manufactured by advanced prestressed winding welding process. This product is divided into single spiral blade, compound spiral blade and wet, dry type.
Connection form:Spring pin or threaded connection.
Application areas:Widely used in coal mines, gypsum mines and other drilling and mining.
This product has light weight (45% lighter than the old twist drill pipe), fast footage, small dust, vertical downward drilling without leaving debris, clear hole. The rod body can be used separately from the drill tail to extend the service life.
twist drill pipeParameter Table
| Specification model mm |
Theoretical torque N.m |
Connection mode |
|||
| Spiral diameter |
Rod diameter |
Length |
Joint size |
|
|
| Φ26 |
Φ16 |
500～3000 |
M16*1.5 |
100～150 |
Threaded connection |
| Φ30 |
Φ16-18 |
500～3000 |
F12/M18*1.5 |
100～150 |
Square/thread |
| F32 |
F18-22 |
500～3000 |
F12/M16*1.5 |
100～250 |
Square/thread |
| Φ38 |
Φ21-22 |
500～3000 |
F14/Tr16 |
100～350 |
Square/thread |
| F40 |
Φ21-22 |
500～3000 |
F14/Tr16 |
100～350 |
Square/thread |
| Φ42 |
Φ21-22 |
500～3000 |
F14/Tr16 |
100～350 |
Square/thread |
| F45 |
F25-27 |
500～3000 |
F18/Tr19 |
350～450 |
Square/thread |
| Φ55 |
F25-27 |
500～3000 |
F18/Tr19 |
350～450 |
Square/thread |
| Φ65 |
F25-27 |
500～3000 |
F24/Tr19 |
350～450 |
Square/thread |
Key words:
Drill pipe, threaded, 3000, square, twist, connection
