Thread R25

Top Hammer Drilling Tools for Drifting and Tunneling

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
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