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Top Hammer Drilling Tools for Bench Drilling
Bit Diameter: 70mm-115mm
Length of drill rod: 1525mm-6100mm (MM and MF)
Button bit design: Flat face, drop centre, normal and retrac body.
Tungsten carbide (Buttons): Spherical, ballistic and conical.
Applications: Bench, production
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 |
|||||
 |
70 76 89 102 |
2 3/4 3 3 1/2 4 |
2×8 2×9 2×13 2×13 |
2×6 2×7 2×8 - |
4×11 4×11 5×12 6×13 |
8×11 8×12 8×14 8×14 |
35° 35° 35° 35° |
H H H H |
3070T4512 3076T4512 3089T4513 30102T4514 |
|
 |
115 | 4 1/2 | 4×13 | - | 6×14 | 8×16 | 35° | H | 30115T45F14 | |
 |
70 76 |
2 3/4 3 |
4×8 4×8 |
- - |
5×10 5×11 |
8×11 8×12 |
35° 35° |
M M |
3070T4513D 3076T4513D |
|
 |
89 102 115 |
3 1/2 4 4 1/2 |
4×9 4×11 4×13 |
- - - |
6×12 6×13 6×14 |
8×14 8×14 8×16 |
35° 35° 35° |
M M M |
3089T4514D 30102T4514D 20115T4514D |
|
 |
70 76 |
2 3/4 3 |
2×8 2×9 |
2×6 2×7 |
4×11 4×12 |
8×11 8×12 |
35° 35° |
H H |
3070T4512R 3076T4512R |
|
 |
89 102 115 |
3 1/2 4 4 1/2 |
2×11 4×11 4×13 |
2×8 - - |
6×12 6×13 6×14 |
8×14 8×14 8×16 |
35° 35° 35° |
H H H |
3089T45F14R 30102T45F14R 30115T45F14R |
|
 |
76 89 102 115 |
3 3 1/2 4 4 1/2 |
4×8 4×10 4×11 4×13 |
- - - - |
5×11 6×12 6×13 6×14 |
8×12 8×14 8×14 8×16 |
35° 35° 35° 35° |
M M M M |
3076T4514DR 3089T4514DR 30102T4514DR 30115T4514DR |
|
| Cross bit | ||||||||||
 |
76 89 |
3 3 1/2 |
1×8 1×9 |
2×8 2×9 |
- - |
- - |
- - |
- - |
3276T45 3289T45 |
|
| Reaming tools | ||||||||||
Dome bit |
127 | 5 | 4×8 | 2×9 | 1×14 | 16×14 | 35° | - | 30127T4517KD | |
Cut holes / Dome bit |
127 | 5 | 2×13 | 2×11 | 10×13 | 8×14 | 35° | - | 30127T4518KC | |
| Drill rod | Dimensions L | Dimensions D | Part no | |||
| mm | ft | in | mm | in | ||
Rod Ø45 with threads T45/T45  |
3050 3660 4270 4880 6100 |
10 12 14 16 20 |
- - - - - |
45 45 45 45 45 |
1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 |
2045T4530 2045T4536 2045T4542 2045T4548 2045T4561 |
Rod Ø45 with threads T45/T45 (MF)  |
1525 1830 3050 3660 4270 |
5 6 10 12 14 |
- - - - - |
45 45 45 45 45 |
1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 |
2045T45MF15 2045T45MF18 2045T45MF30 2045T45MF36 2045T45MF42 |
| Coupling | Dimensions | Part no | ||||
| L（mm） | ft | in | D（mm） | in | ||
T45-45  |
207 | 8 | 1/8 | 66 | 2 3/5 | MX-T456620 |
Crossover coupling T45-T38  |
215 | 8 | 1/2 | 66 | 2 1/2 | MX-T45T386621 |
Crossover coupling T45-T51  |
240 | 8 | 1/2 | 72 | 2 7/8 | MX-T45T517224 |
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Maxdrill Rock Tools Co., Ltd.
Tel.: +86-851-88639105
+86-851-88639106
Fax: +86-851-88639108
Email: office@kemaico.com
Contact person: Hedy Huang
Nationwide customer service hotline: +86-851-88517787
