Thread R35

Top Hammer Drilling Tools for Drifting and Tunneling

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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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