Reaming bit / Pilot adapter  6° taper

Gauge diameter(D)

Gauge 

angle [°]

Button × Button dia. [mm]

Flushing hole 

Weight

[Kg]

Part number

[mm]

[in]

Gauge

Face

Side

Face

64

2 1/2"

30

6×9

3×8

-

-

1.0 

WTHP64R11

76

3"

30

6×10

6×9

-

-

1.3 

WTHP76R11

89

3 1/2"

30

8×11

8×10

-

-

1.7 

WTHP89R15

Gauge diameter(D)

Carbide size [mm]

Button × Button dia. [mm]Flushing 

hole 

Weight

[Kg]

Part number

[mm]

[in]

Gauge

Face

26

1"

8

-

-

1

1.4 

WR25THI26B

 

Hex drifting rod

Thread

Hex

Length(L)

Weight

[Kg]

Part number

[mm]

[in]

[mm]

[ft/in]

R25 - R32

25

1"

2200

7' 2"

8.8

EH25R32R25-2200

2475

8' 2"

10.2

EH25R32R25-2475

2600

8' 6"

10.7

EH25R32R25-2600

2800

9' 2"

11.2

EH25R32R25-2800

3100

10' 2"

12.7

EH25R32R25-3100

* Custom lengths may be available upon request

Coupling sleeve

Thread

Outside diameter(D)

Length(L)

Weight

[Kg]

Part number

[mm]

[in]

[mm]

[in]

R25 - R25

35

1 3/8"

160

6 1/4"

0.7

CR25

R32 - R32

45

1 3/4"

150

6"

1.0

CR32D

Crossover coupling

Thread

Outside diameter(D)

Length(L)

Weight

[Kg]

Part number

[mm]

[in]

[mm]

[in]

R25 - R32

45

1 3/4"

175

6 7/8"

1.5

CR32R25

DRIFTING & TUNNELLING EQUIPMENT  

27

L

L

L

D

D

D

D