Certification: | ISO 9001:2000, SGS |
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Standard: | GB |
Surface Treatment: | Spray-Paint |
Manufacturing Process: | Forging |
Material: | Carbon Steel |
Bit Dia.: | 203mm |
Samples: |
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Customization: |
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Suppliers with verified business licenses
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).
DTH bit is our company main product. After many years search, we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products.
If you interested in our product please contact freely.
3 Inch Hight Air Pressure DTH bits |
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Model |
Bit Dia.(mm) |
NO. X Button Dia. |
NO.Air Holes(PCS) |
Weight(KG) |
|
Gauge |
Front |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
How to choose the suitable head face of the DTH drill bit?
Kingdrilling Machinery Co. , Ltd is established in 2005 years. Located in Wuhan East Lake High-tech Development Zone, is one of the most important manufacturers specialized in researching and producing Casing drilling system, DTH hammer, DTH bit, thread DTH bits, taper DTH bits, coupling sleeve, Anchor, Shank adapter, coal picks and so on.
Relying on the university resources and talent advantages in Optical Valley region, combining with multiple laboratories in universities, we focused on developing the newest products system.1.Pre-sale service:
If demand, assist clients to get rich and generous returns on their investments.Select DTH tools model.Design and manufacture down the hole products according to client's requirement.Suppliers with verified business licenses