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  • Name: Plug hole rod
  • No: 06
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Plug hole rod 
Plug hole drill rod
The plug hole integral drill steel is widely used in stone pit field to drill small holes. 
Because of the integration of the drilling rods and drilling bits, it can be metched directly with rock drills without shank adapter or coupling sleeve, these advantages avoid the wastage of energy, and improve the drilling efficiency remarkably. 
Normally, it can be used for drilling holes in diameter of 17mm, 20mm and 22m on both hand-held rock drills and small rig-mounted rock drills.

 

Shank

Turned
length(TL)

Chisel Bit
D

Weight

mm

mm

mm

kg

Hex 19×108

150

17 20 22

0.6

200

17 20 22

0.6

250

20 22 24

0.8

Hex 19×82.5

280

20 22 

1

Hex 22×108

150

20 22 

0.7

200

17 20 22

1

250

17 20 22

1.1

300

17 20 22

1.7

350

17 20 22

1.8

550

17 20 22

2.4

710

17 20 22

2.9