Button bit Type 23

Gauge diameter

Gauge 

angle [°]

Button × Button dia. [mm]

Flushing hole

Weight

[Kg]

Part number

[mm]

[in]

Gauge

Face

Side

Face

51

2"

30

6×10

3×9

1

3

1.0 

34NRTPWS51R23L

54

2 1/8"

40

6×10

3×10

1

3

1.1 

34NRTPWS54R23H

Reaming bit integration model

Gauge diameter(D)

Gauge 

angle [°]

Button × Button dia. [mm]

Flushing hole 

Weight

[Kg]

Part number

[mm]

[in]

Gauge

Face

Side

Face

Reverse

76

3"

35

8×12

6×10

2

1

2

2.3 WI34NRTPJ76R-30R

89

3 1/2"

35

8×12

10×10

2

1

2

2.6 WI34NRTPJ89R-30R

102

4"

35

8×12

9×12, 2×10

2

1

2

2.8 WI34NRTPJ102R-30R

Hex drifting rod

Thread

Hex

Length(L)

Weight

[Kg]

Part number

[mm]

[in]

[mm]

[ft/in]

NR34 - T38

35

1 3/8"

3100

10' 2"

24.8 

EH35M38NR34-3100

3700

12' 2"

29.5 

EH35M38NR34-3700

4310

14' 2"

34.1 

EH35M38NR34-4310

4920

16' 2"

37.6 

EH35M38NR34-4920

5530

18' 2"

42.3 

EH35M38NR34-5530

Coupling sleeve

Thread

Outside diameter(D)

Length(L)

Weight

[Kg]

Part number

[mm]

[in]

[mm]

[in]

T38 - T38

54

2 1/8"

190

7 1/2"

2.0 

CM38

DRIFTING & TUNNELLING EQUIPMENT  

35

L

L

D

D