Green Mining Drill Bits R38 Spherical / Ballistic Buttons Dia 64 - 89mm
R38 Retrac Drill Button Bits
| Drill Bit | Diameter, mm | No x Buttons diameter | Flushing Holes | Weight, kg | |||
| Front | Gauge | Angle | Front | Side | |||
| Retrac Button Bit | Spherical/Ballistic Buttons | ||||||
| 64 | 3 x 10, 1 x 10 | 6 x 11 | 35 | 3 | - | 2.2 | |
| 70 | 4 x 10, 1 x 10 | 8 x 11 | 35 | 4 | - | 2.4 | |
| 76 | 4 x 11, 1 x 11 | 8 x 11 | 40 | 4 | - | 3.3 | |
| 76 | 4 x 11, 1 x 11 | 8 x 12 | 35 | 4 | - | 3.3 | |
| 89 | 5 x 12 | 8 x 12 | 35 | 2 | - | 4.8 | |
| 89 | 4 x 13, 1 x 13 | 8 x 13 | 35 | 4 | - | 4.8 | |
This type of bit is well known for its wear resistance on soft to medium-hard rock formations. Featuring tungsten carbide inserts that is known to have strong configuration against carbide fracture. Recommended for eliminating hole deviation.
• Widely used drifting and tunneling
• Bit face design is ideal for soft to medium rock formations
• With Retrac Wings to help guide the bit in and out of the hole
• Effective in straight hole drilling
Spherical Button Characteristics:
1. Universal button
2. Good wear resistance
3. Best suited for hard ground
4. 27000-48000PSI(180 to 320Mpa)
5. Suited for abrasive to very abrasive drilling conditions
Ballistic Button Characteristics:
1. Fast Penetration
2. Best suited for soft rock
3. 10000-20000PSI(70 to 140Mpa)
4. Suited for non-abrasive drilling conditions
Application:
1. Underground mining
2. Tunneling
3. In granite and marble quarry
4. Gold Mine
5. Dimensional Stone Industry
6. Eliminating Hole Deviation
Package: Carton or Wooden Box; also we can follow customers' requirements.
Delivery time is around 15-25 days.

P.S. We can design and manufacture products according to customers’ requirements.
Company Information:

The MIROC® Rock Drilling Tools product line by KSQ Technologies (Beijing) Co.Ltd. is the result of years of advanced engineering, precision manufacturing, and dedication to the use of high-quality materials.
MIROC® Rock Drilling Tools are used by many drilling professionals related to mining, construction, tunneling, and quarrying projects around the globe.
KSQ Technologies (Beijing) Co. Ltd.
Elisa Zarovkina (Елизавета)
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.



