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| Categories | Rock Drilling Tools |
|---|---|
| Brand Name: | MIROC |
| Model Number: | T51 89mm |
| Certification: | ISO |
| Place of Origin: | CHINA |
| MOQ: | 1 |
| Delivery Time: | 20-30 |
| Surface Treatment: | Painting |
| Material: | Alloy Steel & Tungsten Carbides |
| Type: | Drop Center Retract Bit |
| Class: | Hard |
| Application: | Coal Mining,Quarry Drilling, Construction |
| Face designs: | flat face, drop center, |
| Skirt designs: | normal, retrac, |
| Advantage: | High Performance,Wear Resistant,Competitive Price |
| Company Info. |
| KSQ Technologies (Beijing) Co. Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
High quality top hammer rock drilling tools,which are widely use in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole, mountain reinforcement, anchorage and other engineering holes, geothermal exploration hole, Well bore and other fields .
The use of a wide range: the practice proves that the bit is
suitable for carbonate rock, limestone, chalk, clay rock,
siltstone, sandstone and other soft and hard (9- grade drillability
of rock, hard rock drilling), compared with normal bit, especially
drilling in 6-8 grade rock the effect is particularly significant.
| Thread Button Bit | Diameter | Carbide size(mm) | Flushing hole | Weight | |||
| mm | in | Front | Gauge | Front | Side | (kg) | |
| Qty×size | Qty×size | ||||||
T51(2") standard body | 76 | 3 | 4×12 | 8×12 | 2 | 1 | 3.62 |
| 89 | 3 1/2 | 6×12 | 8×14 | 2 | 2 | 4.48 | |
| 102 | 4 | 7×12 | 8×14 | 4 | 1 | 5.26 | |
| 115 | 4 1/2 | 8×12 | 8×14 | 4 | 1 | 7.62 | |
| 127 | 5 | 9×12 | 8×16 | 4 | 1 | 8.58 | |
T51(2") retrac body | 76 | 3 | 4×12 | 8×12 | 2 | 1 | 4.22 |
| 89 | 3 1/2 | 6×12 | 8×14 | 2 | 2 | 5.08 | |
| 102 | 4 | 7×12 | 8×14 | 4 | 1 | 5.86 | |
| 115 | 4 1/2 | 8×12 | 8×14 | 4 | 1 | 8.12 | |
| 127 | 5 | 9×12 | 8×16 | 4 | 1 | 9.18 | |
Reaming bit | 152 | 6 | 2×14 | 20×14 | 5 | 2 | - |





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