Kingdrilling rock drilling button bits are widely used in all kinds of mining, drilling, quarrying, engineering, construction, water well drilling, oil exploring drifting and tunneling drilling.
We can supply waveform thread button bits, Trapezoidal thread drill bits, Retrac thread rock drill tools.


Model | Bit Dia.(mm) | Thread | NO. X Button Dia. | NO.Flushing Holes(PCS) | Weight(KG) | ||
Gauge | Front | Side | Front | ||||
MTN33F5R22 | 33 | R22 | 5×7 | 2×7 | 2 | 1 | 0.4 |
MTN35F5R25 | 35 | R25 | 5×8 | 2×7 | 2 | 1 | 0.4 |
MTN38F5R25 | 38 | R25 | 5×8 | 2×7 | 1 | 2 | 0.5 |
MTN41F5R25 | 41 | R25 | 5×9 | 2×8 | 1 | 2 | 0.55 |
MTN41F5R28 | 41 | R28 | 5×9 | 2×8 | 1 | 2 | 0.65 |
MTN41F4R32 | 41 | R32 | 4×9 | 2×8 | 2 | 1 | 0.65 |
MTN41F5R32 | 41 | R32 | 5×9 | 2×8 | 2 | 1 | 0.65 |
MTN43F4R28 | 43 | R28 | 4×9 | 2×9 | 1 | 1 | 0.67 |
MTN43FR528 | 43 | R28 | 5×9 | 2×8 | 2 | 1 | 0.67 |
MTN43F4R32 | 43 | R32 | 4×9 | 2×9 | 2 | 1 | 0.67 |
MTN43F5R32 | 43 | R32 | 5×10 | 2×9 | 2 | 1 | 0.67 |
MTN43F6R32 | 43 | R32 | 6×9 | 2×8 | 1 | 2 | 0.67 |
MTN45F4R28 | 45 | R28 | 4×10 | 2×9 | 1 | 1 | 0.8 |
MTN45F5R28 | 45 | R28 | 5×9 | 2×9 | 2 | 1 | 0.8 |
MTN45F6R28 | 45 | R28 | 6×9 | 3×8 | 3 | 1 | 0.8 |
MTN45F5R32 | 45 | R32 | 5×11 | 2×9 | 2 | 1 | 0.8 |
MTN45F6R32 | 45 | R32 | 6×9 | 3×8 | 1 | 3 | 0.8 |
MTN48F5R32 | 48 | R32 | 5×11 | 2×9 | 2 | 1 | 0.9 |
MTN48F6R32 | 48 | R32 | 6×9 | 3×8 | 1 | 3 | 0.9 |
MTN51F5R32 | 51 | R32 | 5×11 | 2×10 | 2 | 1 | 1.1 |
MTN51F6R32 | 51 | R32 | 6×10 | 3×9 | 1 | 3 | 1.1 |
MTN57F6R32 | 57 | R32 | 6×11 | 3×10 | - | 3 | 1.3 |
MTN64F6R32 | 64 | R32 | 6×11 | 3×11 | 2 | 1 | 1.6 |
MTN64F8R32 | 64 | R32 | 8×10 | 4×10 | 2 | 2 | 1.6 |
MTN64F6R38 | 64 | R38 | 6×12 | 3×11 | 2 | 1 | 1.6 |
MTN76F6R32 | 76 | R32 | 6×12 | 6×11 | 1 | 2 | 2.7 |
MTN76F8R32 | 76 | R32 | 8×11 | 4×11 | 2 | 2 | 2.3 |
MTN76F8R38 | 76 | R38 | 8×12 | 4×11 | 2 | 2 | 1.9 |
MTN89F7R32 | 89 | R32 | 7×12 | 6×11 | - | 3 | 3 |
MTN89F8R32 | 89 | R32 | 8×12 | 5×12 | 2 | 2 | 2.9 |
MTN89F8R38 | 89 | R38 | 8×12 | 5×12 | 2 | 2 | 3.3 |
MTN102F14R32 | 102 | R32 | 14×12 | 1×11 | 2 | 3 | 3.5 |
Order Guide:
Diameter + Thread + Skirt Shape + Face Design + Insert Shape
1. How to order the products?
A: Please send the inquiry with detail item description or with Model number.
2. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy international request.
3. How to check the product are the exact one you want?
A: If possible, please attach one reference picture to avoid any misunderstanding or any links from ourwebsite for a better understanding.
4. How to make sure the quality?
A: More than 40 Years engineer to make sure the quality, 100% inspection.
5. What is the general delivery time?
A: 15 working days for DTH bits.
20-25 working days for DTH hammer
3-5 working days for ex stock items.
6. Methods of Payment
A: T/T (Telegraphic Transfer) or Western Union.
Packed by Carton or Wooden cases.
Delivery:- Goods in stock can be delivered within 5 days.
- DTH Bits production time is about 15 days.
- DTH Hammer product time is about 30 days.
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