QL shank down the hole rock drill bit
Product details
Down the hole(DTH) tools manufacturer KINGDRILLING supply DTH Drill Bits with QL shank type are available in a wide range of sizes and with a number of custom design features for optimum performance in a rock formation, which are designed to match all conceivable applications for water well industries, mining and construction.
Rock drill bits Shank type:QL30,QL40,QL50,QL60,QL80,QL10,QL12
DTH hammer bits hole diameter: 3'', 4'', 5'', 6'', 8''(85mm-350mm).
| 3 Inch Hight Air Pressure DTH bits | |||||
| Model | Bit Dia.(mm) | NO. X Button Dia. | NO.Air Holes(PCS) | Weight(KG) | |
| Gauge | Front | ||||
| MDQL30-85 | 85 | 6*Φ13 | 4*Φ12 | 2 | 4.5 |
| MDQL30-90 | 90 | 6*Φ14 | 4*Φ12 | 2 | 4.7 |
| MDQL30-95 | 95 | 6*Φ14 | 4*Φ13 | 2 | 4.9 |
| MDQL30-100 | 100 | 6*Φ14 | 5*Φ12 | 2 | 5.0 |
| MDQL30-105 | 105 | 6*Φ14 | 5*Φ13 | 2 | 5.5 |
| 4 inch high air pressure DTH bits | |||||
| MDQL40-105 | 105 | 6*Φ14 | 5*Φ13 | 2 | 9.0 |
| MDQL40-110 | 110 | 7*Φ14 | 6*Φ13 | 2 | 9.2 |
| MDQL40-115 | 115 | 7*Φ14 | 6*Φ13 | 2 | 9.5 |
| MDQL40-120 | 120 | 8*Φ14 | 7*Φ13 | 2 | 10.3 |
| MDQL40-127 | 127 | 8*Φ14 | 7*Φ13 | 2 | 11.5 |
| 5 inch high air pressure DTH bits | |||||
| MDQL50-135 | 135 | 7*Φ18 | 6*Φ14 | 2 | 15.5 |
| MDQL50-140 | 140 | 7*Φ18 | 7*Φ14 | 2 | 16.0 |
| MDQL50-146 | 146 | 7*Φ18 | 7*Φ14 | 2 | 16.5 |
| MDQL50-152 | 152 | 8*Φ18 | 8*Φ14 | 2 | 17.0 |
| MDQL50-165 | 165 | 8*Φ18 | 8*Φ16 | 2 | 18.0 |
| 6 inch high air pressure DTH bits | |||||
| MDQL60-152 | 152 | 8*Φ16 | 7*Φ16 | 2 | 24.0 |
| MDQL60-165 | 165 | 8*Φ18 | 8*Φ16 | 2 | 25.0 |
| MDQL60-171 | 171 | 8*Φ18 | 8*Φ16 | 2 | 27.0 |
| MDQL60-190 | 190 | 9*Φ18 | 9*Φ16 | 3 | 29.0 |
| MDQL60-203 | 203 | 9*Φ18 | 11*Φ16 | 3 | 33.0 |
| 8 inch high air pressure DTH bits | |||||
| MDQL80-203 | 203 | 10*Φ18 | 10*Φ16 | 2 | 35.0 |
| MDQL80-216 | 216 | 10*Φ18 | 12*Φ16 | 2 | 49.0 |
| MDQL80-241 | 241 | 12*Φ18 | 18*Φ16 | 2 | 64.0 |
| MDQL80-254 | 254 | 12*Φ18 | 21*Φ16 | 3 | 71.0 |
| MDQL80-305 | 305 | 12*Φ18 | 29*Φ16 | 4 | 95.0 |
| 10 inch high air pressure DTH bits | |||||
| MDQL10-254 | 254 | 12*Φ18 | 20*Φ16 | 3 | 108.0 |
| MDQL10-305 | 305 | 12*Φ18 | 36*Φ16 | 4 | 125.0 |
| MDQL10-311 | 311 | 12*Φ18 | 36*Φ16 | 4 | 130.0 |
| MDQL10-318 | 318 | 12*Φ18 | 38*Φ16 | 4 | 142.0 |
| MDQL10-330 | 330 | 16*Φ18 | 42*Φ16 | 4 | 155.0 |
| 12 inch high air pressure DTH bits | |||||
| MDQL12-305 | 305 | 12*Φ18 | 36*Φ16 | 4 | 156.0 |
| MDQL12-311 | 311 | 12*Φ18 | 36*Φ16 | 4 | 168.0 |
| MDQL12-330 | 330 | 16*Φ18 | 42*Φ16 | 4 | 180.0 |
| MDQL12-356 | 356 | 16*Φ19 | 48*Φ16 | 4 | 191.0 |
| MDQL12-381 | 381 | 16*Φ19 | 48*Φ18 | 4 | 200.0 |
Shank Type + Head Diameter + Face Design + Button Shape
How to choose the buttons:
1. Domed/round buttons
Domes/round buttons are usually used as gauge buttons of DTH bits, suitable for very abrasive and very hard formations. 2. Parabolic buttons
Parabolic buttons are usually used as gauge buttons and front buttons of DTH Bits, suitable for medium abrasive and hard formations. 3. Ballistic button
Ballistic button are usually used as front buttons of DTH bits, suitable for medium abrasive and medium hard formations. They can also be used as gauge buttons if the rock is soft. FAQ:
1. How to order the products?
A: Please send the inquiry with detail item description or with Model number.
2. 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 our website for a better understanding.
3.How to make sure the quality?
More than 40 Years engineer to make sure the quality, 100% inspection
4. Fast delivery time:
A: Usually it takes 25 days for production.only 3 or 5 days if we have stock of your request size.
5.Shipping way:
A: Sample order: we suggest Courier express delivery such as DHL/UPS/TNT/FEDEX or by air
Bulk order: by air or by sea we suggest.
Product Application:
Transport:
Package and Delivery:
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.
