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KINGDRILLING hammer bits are used with Down-the-hole hammers for drilling holes through a wide range of rocks types. In conjunction with DTH hammers, drill hammer bits are designed with a spline drive for rotating the bit in the ground. Drill bits are available in different sizes and different styles so they can drill a wide range of hole sizes.
Rock drill bits Shank type:M3,M4,M5,M6,M8,M1,M12
| 3 Inch Hight Air Pressure DTH bits | |||||
| Model | Bit Dia.(mm) | NO. X Button Dia. | NO.Air Holes(PCS) | Weight(KG) | |
| Gauge | Front | ||||
| MDHM3-85 | 85 | 6*Φ13 | 4*Φ12 | 2 | 4.5 |
| MDHM3-90 | 90 | 6*Φ14 | 4*Φ12 | 2 | 4.7 |
| MDHM3-95 | 95 | 6*Φ14 | 4*Φ13 | 2 | 4.9 |
| MDHM3-100 | 100 | 6*Φ14 | 5*Φ12 | 2 | 5.0 |
| MDHM3-105 | 105 | 6*Φ14 | 5*Φ13 | 2 | 5.5 |
| 4 inch high air pressure DTH bits | |||||
| MDHM4-105 | 105 | 6*Φ14 | 5*Φ13 | 2 | 6.0 |
| MDHM4-110 | 110 | 7*Φ14 | 6*Φ13 | 2 | 6.2 |
| MDHM4-115 | 115 | 7*Φ14 | 6*Φ13 | 2 | 6.6 |
| MDHM4-120 | 120 | 8*Φ14 | 7*Φ13 | 2 | 7.0 |
| MDHM4-127 | 127 | 8*Φ14 | 7*Φ13 | 2 | 7.4 |
| 5 inch high air pressure DTH bits | |||||
| MDHM5-135 | 135 | 7*Φ18 | 6*Φ14 | 2 | 12.5 |
| MDHM5-140 | 140 | 7*Φ18 | 7*Φ14 | 2 | 13.5 |
| MDHM5-146 | 146 | 7*Φ18 | 7*Φ14 | 2 | 14.0 |
| MDHM5-152 | 152 | 8*Φ18 | 8*Φ14 | 2 | 14.4 |
| MDHM5-165 | 165 | 8*Φ18 | 8*Φ16 | 2 | 15.0 |
| 6 inch high air pressure DTH bits | |||||
| MDHM6-152 | 152 | 8*Φ18 | 7*Φ16 | 2 | 22.0 |
| MDHM6-165 | 165 | 8*Φ18 | 8*Φ16 | 2 | 23.0 |
| MDHM6-171 | 171 | 8*Φ18 | 8*Φ16 | 2 | 24.0 |
| MDHM6-190 | 190 | 9*Φ18 | 9*Φ16 | 3 | 25.0 |
| MDHM6-203 | 203 | 9*Φ18 | 11*Φ16 | 3 | 28.0 |
| 8 inch high air pressure DTH bits | |||||
| MDHM8-305 | 305 | 12*Φ18 | 29*Φ16 | 4 | 95.0 |
| MDHM8-203 | 203 | 10*Φ18 | 10*Φ16 | 2 | 35.0 |
| MDHM8-216 | 216 | 10*Φ18 | 12*Φ16 | 2 | 40.0 |
| MDHM8-241 | 241 | 12*Φ18 | 18*Φ16 | 2 | 54.0 |
| MDHM8-254 | 254 | 12*Φ18 | 21*Φ16 | 3 | 57.0 |
| MDHM8-305 | 305 | 12*Φ18 | 29*Φ16 | 4 | 77.0 |
| 10 inch high air pressure DTH bits | |||||
| MDHM10-254 | 254 | 12*Φ18 | 20*Φ16 | 3 | 90.0 |
| MDHM10-305 | 305 | 12*Φ18 | 36*Φ16 | 4 | 102.0 |
| MDHM10-311 | 311 | 12*Φ18 | 36*Φ16 | 4 | 104.0 |
| MDHM10-318 | 318 | 12*Φ18 | 38*Φ16 | 4 | 106.0 |
| MDHM10-330 | 330 | 14*Φ18 | 42*Φ16 | 4 | 112.0 |
| 12 inch high air pressure DTH bits | |||||
| MDHM12-305 | 305 | 12*Φ18 | 36*Φ16 | 4 | 152.0 |
| MDHM12-311 | 311 | 12*Φ18 | 36*Φ16 | 4 | 158.0 |
| MDHM12-330 | 330 | 16*Φ18 | 42*Φ16 | 4 | 165.0 |
| MDHM12-356 | 356 | 16*Φ19 | 48*Φ16 | 4 | 178.0 |
| MDHM12-381 | 381 | 16*Φ19 | 48*Φ18 | 4 | 195.0 |
| MDHM125-305 | 305 | 12*Φ18 | 36*Φ16 | 4 | 170.0 |
| MDHM125-311 | 311 | 12*Φ18 | 36*Φ16 | 4 | 173.0 |
| MDHM125-330 | 330 | 16*Φ18 | 42*Φ16 | 4 | 182.0 |
| MDHM125-356 | 356 | 16*Φ19 | 48*Φ16 | 4 | 191.0 |
| MDHM125-381 | 381 | 16*Φ19 | 48*Φ18 | 4 | 200.0 |
It is widely used in metallurgical, coal, chemical, building materials are not busy mines and water conservancy, hydropower, highway and railway defense construction projects, etc.
Wuhan Kingdrilling Diamond CO., LTD, one of the most professional private manufacturer specialized in researching and producing Overburden casing drilling system, DTH hammer, DTH drill bits, Core bits, Thread bits, Taper bits, Shank adapter, Drilling rods, Coal mining picks and related rock drilling tools.
Relying on the university resources and talent advantages in High-tech region, combining with multiple laboratories in universities, we have more power focused on developing the newest products system.
Our DTH drilling tools are produced with advanced technology from Britain. The company is equipped with advanced production facilities including electron-hydraulic forging hammer, multipurpose furnace heat treatment production line, high performance CNC machines, from raw materials prepared, forging, heat treatment, mechanical processing, a completed manufacturing system is finished in the factory. Strict quality control standards make sure stable quality.
Whatever in construction, engineering, piling, water well drilling, tunneling, mining, quarrying or horizontal drilling industry, KINGDRILLING will do the best to satisfy your demands. "Kingdrilling, Keep On Striving", we'll always be in this line to serve our customers the most reliable products and the best support.
1.Pre-sale service:
Act as a good adviser and assistant of clients enable them to get rich and generous returns on their investments .
1.Select equipment model;
2.Design and manufacture products according to client's special requirement ;
3.Train technical personnel for clients .
1.Pre-check and accept products ahead of delivery .
2. Help clients to draft solving plans .
Provide considerate services to minimize clients' worries.
1.Complete After-sales service,professional engineers available to service machinery at home or oversea.
2. 24 hours technical support by e-mail.
3.Other essential technological service.
Packed by Carton or Wooden cases.
Delivery:
Transprotation: By air, By Express or By sea / By train , according to your requests.
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.
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