Drifting and Tunneling

  • Thread R25
  • Thread R28
  • Thread R32
  • Thread R35

Top Hammer Drilling Tools for Drifting and Tunneling

Inquiry Form
Thread R25

Bit Diameter: 33mm-45mm
Length of drill rod: 250mm-4000mm
Button bit design: Flat face, drop centre, normal and retrac body.
Tungsten carbide (Buttons): Spherical, ballistic and conical.
Applications: Drifting, tunneling, bench

We have different designs for various rock formations, and a longer service life to decrease use costs for users.

Button bit Dimensions D Flushing hole
(mm) 		Buttons
(mm) 		Angle Class Part no.
mm in Front
No
size 		Gauge
No
size 		Front
No
size 		Gauge
No
size
33
35
38
41
43
45 		1 5/16
1 3/8
1 1/2
1 5/8
1 11/16
1 3/4 		1×5
1×5
1×5
1×5
1×5
1×5.5 		1×5
1×5
2×5
2×5
2×5
2×5.5 		2×7
2×7
2×7
2×8
2×8
2×9 		5×7
5×8
5×9
5×9
5×10
5×11 		30°
30°
30°
30°
30°
30° 		H
H
H
H
H
H 		3033R2507
3035R2507
3038R2507
3041R2507
3043R2507
3045R2507
33
41 		1 5/16
1 5/8 		2×4.5
2×5.5 		2×4.5
2×5 		2×7
2×8 		6×7
6×9 		30°
30° 		S
S 		3033R2508
3041R2508
38 1 1/2 2×5 2×5 2×8 6×8 30° S 3038R25F08
43
45 		1 11/16
1 3/4 		3×5
3×5 		-
1×5 		3×8
3×8 		6×9
6×10 		30°
30° 		M
M 		3043R2509 3045R2509
Reaming tools
Pilot bit 6°taper
 40 1 37/64 2×5 2×5.5 2×8 4×9 30° - 3040R2506KP
Reaming bit 6°taper
76 3 - - - 8×11 35° - 3076R2508KR
Drill rod Dimensions L Dimensions D Part no
mm ft in mm in
Shank rod with hex 22*108 with thread R25
250
1500
2400
3200
4000 		-
4
7
10
13 		10
11
10
6
1 		22
22
22
22
22 		7/8
7/8
7/8
7/8
7/8 		1022R2502
1022R2515
1022R2524
1022R2532
1022R2540
Shank rod with hex 25*108 with thread R25
250
1500
2400
3200 		-
4
7
10 		10
11
10
6 		25
25
25
25 		1
1
1
1 		1025R2502
1025R2515
1025R2524
1025R2532
Hex rod 25 with threads R25/R25
2200
2475
2600
2800
3100 		7
8
8
9
10 		2
2
6
2
2 		25
25
25
25
25 		1
1
1
1
1 		2125R2522
2125R2524
2125R2526
2125R2528
2125R2531
Hex rod 25 with threads R25/R25 (MF)
1525
1830 		5
6 		-
- 		25
25 		1
1 		2125R25MF15
2125R25MF18
Coupling L (mm) Dimensions D Part no
mm mm in
R25-R25
140 34 1 11/32 MX-R253414
Crossover coupling R25-R32
175 45 1 3/4 MX-R25R324517

Top Hammer Drilling Tools for Drifting and Tunneling

Inquiry Form
Thread R28

Bit Diameter: 38mm-45mm
Length of drill rod: 2800mm-4310mm
Button bit design: Flat face, drop center, normal and retrac body.
Tungsten carbide (Buttons): Spherical, ballistic and conical.
Applications: Drifting, tunneling, bench

We have different designs for various rock formations, and a longer service life to decrease use costs for users.

Button bit Dimensions D Flushing hole
(mm) 		Buttons
(mm) 		Angle Class Part no.
mm in Front
No
size 		Gauge
No
size 		Front
No
size 		Gauge
No
size
38
41
43
45 		1 1/2
1 5/8
1 11/16
1 3/4 		1×5
1×5
1×5
1×5 		2×5
2×5
2×5
2×5 		2×7
2×8
2×8
2×9 		5×9
5×9
5×10
5×11 		30°
30°
30°
30° 		H
H
H
H 		3038R2807
3041R2807
3043R2807
3045R2807
41 1 5/8 2×5.5 2×5 2×8 6×9 30° S 3041R2808
43
45 		1 11/16
1 3/4 		3×5
3×5 		- 1×5 3×8
3×8 		6×9
6×10 		30°
30° 		M
M 		3043R2809
3045R2809
Reaming tools
Pilot bit 6° taper
 40 1 37/64 2×5 2×5.5 2×8 4×9 30° - 3040R2806KP
Reaming bit 6° taper
76 3 - - - 8×11 35° - 3076R2808KR
Dome bit
76 3 2×9 2×7 1×11 14×11 35° - 3076R2815KD

Drill rod Dimensions L Dimensions D Part no
mm ft in mm in
Hex rod 28 with thread R28/ R32
2800
3100
3700 		9
10
12 		2
2
2 		28
28
28 		1 1/8
1 1/8
1 1/8 		2128R32R2828
2128R32R2831
2128R32R2837
Hex rod 32 with threads R28/ R32
4310 14 2 32 1 1/4 2132R32R2843

Coupling L (mm) Dimensions D Part no
mm in
R32-R28
160 37 1 29/64 MX-R283716
Crossover coupling R28-R32
171 45 1 3/4 MX-R28R324517

Top Hammer Drilling Tools for Drifting and Tunneling

Inquiry Form
Thread R32

Bit Diameter: 43mm-76mm
Length of drill rod: 1800mm-5530mm
Button bit design: Flat face, drop center, normal and retrac body.
Tungsten carbide (Buttons): Spherical, ballistic and conical.
Applications: Drifting, tunneling, bench

We have different designs for various rock formations, and a longer service life to decrease use costs for users.

Button bit Dimensions D Flushing hole
(mm) 		Buttons
(mm) 		Angle Class Part no.
mm in Front
No
size 		Gauge
No
size 		Front
No
size 		Gauge
No
size
45
48
51 		1 3/4
1 7/8
2 		1×5.5
2×6
2×6 		2×5.5
1×5
1×5.5 		2×9
2×9
2×10 		5×11
5×11
5×11 		30°
30°
30° 		H
H
H 		3045R3207
3048R3207
3051R3207
43
45
48 		1 11/16
1 3/4
1 7/8 		2×5
2×5
2×5.5 		2×5
2×5
2×5 		2×8
2×9
2×9 		6×9
6×10
6×10 		30°
30°
30° 		S
S
S 		3043R3208
3045R3208
3048R3208
43
45
48
54 		1 11/16
1 3/4
1 7/8
2 1/8 		3×4
3×5
3×5
3×6 		2×5
1×5
1×5
1×5.5 		3×8
3×8
3×9
3×10 		6×10
6×10
6×10
6×11 		30°
30°
30°
35° 		M
M
M
M 		3043R3209
3045R3209
3048R3209
3054R3209
45
48
51
54
57 		1 3/4
1 7/8
2
2 1/8
2 1/4 		3×5
3×5
3×5.5
3×6
3×6 		1×5
1×5
1×5.5
1×5.5
1×6 		3×8
3×9
3×9
3×10
3×10 		6×10
6×10
6×10
6×11
6×11 		30°
30°
35°
35°
35° 		M
M
M
M
M 		3045R32F09
3048R32F09
3051R32F09
3054R32F09
3057R32F09
64 2 1/2 3×7 1×6 4×10 6×11 35° M 3064R3210D
64 2 1/2 3×7 1×6 3×11 6×12 35° H 3064R32F09
76 3 2×9 2×7 6×10 8×11 35° H 3076R32F14
51 2 3×5 1×6 3×9 6×10 30° M 3051R32F09R
54
57 		2 1/8
2 1/4 		3×6
3×6 		1×5.5
1×6 		3×10
3×10 		6×11
6×11 		35°
35° 		M
M 		3054R32F09
3057R32F09
64 2 1/2 3×7 1×6 4×10 6×11 35° M 3064R3210DR
64 2 1/2 3×7 1×6 3×11 6×12 35° H 3064R32F09R
Reaming tools
Pilot bit 12° taper
 41 1 5/8 2×5 2×5.5 2×8 4×9 30° - 3041R3206KP
Reaming bit 12° taper
 89
102 		3 1/2
4 		-
- 		-
- 		4×10
4×12 		8×11
8×12 		35°
35° 		-
- 		3089R3212KR
30102R3212KR
Dome bit
76
89
102 		3
3 1/2
4 		2×9
2×9
2×9 		2×7
2×8
2×9 		1×11
1×12
1×12 		14×11
14×12
14×12 		35°
35°
35° 		-
- - 		3076R3215KD
3089R3215KD
30102R3215KD
Drill rod Dimensions L Dimensions D Part no
mm ft in mm in
Hex rod 25 * 108 with thread R32
 1830
2435
2950
3050 		6
8
9
10 		-
-
7 5/8
- 		25
25
25
25 		1
1
1
1 		1025R3218
1025R3224
1025R3229
1025R3230
Hex rod 32 with threads R32/R38
 3100
3700
4310
4920 		10
12
14
16 		2
2
2
2 		32
32
32
32 		1 1/4
1 1/4
1 1/4
1 1/4 		2132R38R3231
2132R38R3237
2132R38R3243
2132R38R3249
Hex rod 35 with threads R32/R38
 3100
3700
4310
4920
5530 		10
12
14
16
18 		2
2
2
2
2 		35
35
35
35 		1 3/8
1 3/8
1 3/8
1 3/8 		2135R38R3231
2135R38R3237
2135R38R3243
2135R38R3249
2135R38R3255
Hex rod 32 with threads R32/T38
3100
3700
4310
4920 		10
12
14
16 		2
2
2
2 		32
32
32
32 		1 1/4
1 1/4
1 1/4
1 1/4 		2132T38R3231
2132T38R3237
2132T38R3243
2132T38R3249
Hex rod 35 with threads R32/T38
 3100
3700
4310
4920
5530 		10
12
14
16
18 		2
2
2
2
2 		35
35
35
35 		1 3/8
1 3/8
1 3/8
1 3/8 		2135T38R3231
2135T38R3237
2135T38R3243
2135T38R3249
2135T38R3255
Rod Ø32 with threads R32/R32 (MF)
 3100
3700
4310
4920 		10
12
14
16 		2
2
2
2 		32
32
32
32 		1 1/4
1 1/4
1 1/4
1 1/4 		2032R32MF31
2032R32MF37
2032R32MF43
2032R32MF49
Rod Ø32 with threads R32/R32
1830
2435
2950
3050 		6
8
9
10 		-
-
7 5/8
- 		32
32
32
32 		1
1
1
1 		2032R3218
2032R3224
2032R3229
2032R3230
Coupling Dimensions Part no
L（mm） in D（mm） in
R32-R32
150 6 45 1 3/4 MX-R324515
Crossover coupling R32-R35
 175 6 7/8 45 1 3/4 MX-R35R324517
Crossover coupling R28-R32
171 6 3/4 45 1 3/4 MX-R32R284517
Crossover coupling R32-R38
 181 7 1/8 54 2 1/8 MX-R38R325418
Crossover coupling R32-T38
188 7 1/2 54 2 1/8 MX-T38R325418

Top Hammer Drilling Tools for Drifting and Tunneling

Inquiry Form
Thread R35

Bit Diameter: 48mm-57mm
Length of drill rod: 2800mm-5530mm
Button bit design: Flat face, drop center, normal and retrac body.
Tungsten carbide (Buttons): Spherical, ballistic and conical.
Applications: Drifting, tunneling, bench

We have different designs for various rock formations, and a longer service life to decrease use costs for users.

Button bit Dimensions D Flushing hole
(mm) 		Buttons
(mm) 		Angle Class Part no.
mm in Front
No
size 		Gauge
No
size 		Front
No
size 		Gauge
No
size
48
51 		1 7/8
2 		1×5.5
2×6 		2×5.5
1×5 		2×9
2×9 		5×11
5×11 		30°
30° 		H
H 		3048R3507
3051R3507
48
51
54
57 		1 7/8
2
2 1/8
2 1/4 		3×5
3×5.5
3×6
3×7 		1×5
1×5.5
1×6
1×6 		3×9
3×9
3×10
3×10 		6×10
6×10
6×11
6×11 		30°
35°
35°
35° 		M
M
M
M 		3048R35F09
3051R35F09
3054R35F09
3057R35F09
54
57 		2 1/8
2 1/4 		3×6
3×6 		1×5.5
1×6 		3×10
3×10 		6×11
6×11 		35°
35° 		M
M 		3054R3509R
3057R3509R
Reaming tools
Pilot bit 12° taper
 41 1 5/8 2×5 2×5.5 2×8 4×9 30° - 3041R3506KP
Reaming bit 12° taper
89
102 		3 1/2
4 		-
- 		-
- 		4×10
4×10 		8×11
8×11 		35°
35° 		-
- 		3089R3512KR
30102R3512KR
Dome bit
76
89
102 		3
3 1/2
4 		2×9
2×9
2×9 		2×7
2×8
2×9 		1×11
1×12
1×12 		14×11
14×12
14×12 		35°
35°
35° 		-
-
- 		3076R3515KD
3089R3515KD
30102R3515KD
Drill rod Dimensions L Dimensions D Part no
mm ft in mm in
Hex rod 35 with threads R35/T38
 4310
4920
5530 		14
16
18 		2
2
2 		35
35
35 		1 1/4
1 1/4
1 1/4 		2135T38R3543
2135T38R3549
2135T38R3555
Coupling Dimensions Part no
L mm in D mm in
R35-R35
160 6 1/4 48 1 7/8 MX-R354816
Crossover coupling R32-R35
171 6 3/4 48 1 7/8 MX-R35R324817
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