Changsha Sollroc Engineering Equipments Co., Ltd
FOCUS IN MANUFACTURING OF HIGH QUALITY DTH AND RC DRILLING TOOLS.
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34mm 7 Buttons Rock Drilling Taper Button Bits for Rock Mining
Product specifications:
(1) Taper angle: 4° , 4° 46, 6° , 7° , 11° , 12°
(2) Models: Chisel/cross/button bit
(3) Diameter: 20-45 mm
(4) Button bit shape: Spherical/parabolic
(5) Socket inside diameter: 15/19/22/25mm
| Drill bit diameter | Taper(°) | |
| (mm) | (in) | |
| 28 | 1 3/32 | 6,7 |
| 30 | 1 3/16 | 6,7 |
| 32 | 1 1/4 | 6,7,11,12 |
| 34 | 1 11/32 | 6,7,11,12 |
| 35 | 1 3/8 | 6,7,11,12 |
| 36 | 1 13/32 | 6,7,11,12 |
| 38 | 1 1/2 | 6,7,11,12 |
| 40 | 1 9/16 | 6,7,11,12 |
| 41 | 1 5/8 | 6,7,11,12 |
| 42 | 1 21/32 | 6,7,11,12 |
| 43 | 1 11/16 | 6,7,11,12 |
| 45 | 1 3/4 | 6,7,11,12 |
| 50 | 1 31/32 | 6,7,11,12 |
| 60 | 2 3/8 | 6,7,11,12 |
Thread button bit connection:
| Drill bit diameter | Thread standard | |
| (mm) | (in) | |
| 35 | 1 3/8 | R22 R25 |
| 36 | 1 13/32 | R22 R25 R28 |
| 38 | 1 1/2 | R22 R25 R28 R32 |
| 43 | 1 11/16 | R25 R28 R32 |
| 45 | 1 3/4 | R25 R28 R32 |
| 48 | 1 7/8 | R32 |
| 51 | 2 | R32 |
| 64 | 2 1/2 | R38 T38 |
| 76 | 3 | R38 T38 T45 |
| 89 | 3 1/2 | R38 T38 T45 T51 |
| 102 | 4 | T45 T51 ST58 SD60 |
| 115 | 4 1/2 | T51 ST58 SD60 |
| 127 | 5 | T51 ST58 SD60 |
| 140 | 5 1/2 | T51 ST58 SD60 |
| 152 | 6 | T51 ST58 SD60 |
We can also provide related products DTH button bits, ODEX, symmetric overburden systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etc
SOLLROC is a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotton good reputation from our customers all over the world, such as France, Spain, Italy, South Africa, Australia, Iran, Malaysia, etc.