Round extension rod

Thread

Outside diameter

Length(L)

Weight

[Kg]

Part number

[mm]

[in]

[mm]

[ft/in]

T51 - T51

51

2"

3660

12'

49.6 

ER51M51-3660

4270

14'

58.1 

ER51M51-4270

6100

20'

82.9 

ER51M51-6100

Male / Female rod

Thread

Outside diameter

Length(L)

Weight

[Kg]

Part number

[mm]

[in]

[mm]

[ft/in]

T51 - T51

51

2"

1525

5'

22.0 

ER51M51MF-1525

1830

6'

26.4 

ER51M51MF-1830

3660

12'

52.8 

ER51M51MF-3660

4270

14'

61.6 

ER51M51MF-4270

Coupling sleeve 

Thread

Outside diameter(D)

Length(L)

Weight

[Kg]

Part number

[mm]

[in]

[mm]

[in]

T51 - T51

72

2 7/8"

235

9 1/4"

4.4 

CM51

T51 - T51

77

3"

235

9 1/4"

5.5

CM51-2

Crossover coupling  

Thread

Outside diameter(D)

Length(L)

Weight

[Kg]

Part number

[mm]

[in]

[mm]

[in]

T51 - T45

72

2 7/8"

240

9 1/2"

5.0 

CM51M45

BENCH & LONG HOLE DRILLING EQUIPMENT  

51

L

L

L

D

L

D