Original
By certification 
Description of PDC steel body drill bit
PDC concave drill bit is made of 1308, 1304 PDC cutters and 45# steel. PDC cutters are welded on the steel body as the cutting teeth. Conbining superior characteristics of steel and PDC which make the drill bit widely used in gas drainge hole and geological hole drilling, deep drainage hole and grouting hole.
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Specification of PDC concave drill bits
Non core PDC bit-PDC drill bit | ||||
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Diameter (mm) |
Wing |
Thread |
Rock Formations |
Application Field |
56 |
3 |
API thread or others as customer's requirement |
f≤16 |
Applied to rock formation like granite, limestone, sandstone, mudstone,used for water well drilling, geotechnical and environmental drilling, mineral exploration, geothermal wells, geothermal drilling, construction and utility work. |
65 |
3 |
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75 |
3 or 4 |
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85 |
3 |
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94 |
3 or 4 |
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| 113 | 3 or 4 |
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133 |
3 or 4 |
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153 |
3,or 4 |
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We can provide customized service, if you have special requirements, please inform us the detail parameters. | ||||
Non PDC drill bit applies for rock formation
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Type Formation |
Soft(coal,Clay,Mudstone) |
Medium hard (Rock, sandstone, limestone) | Very hard(Marble, flint,granite) |
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PDC concave drill bit |
Rock grade |
F=1 |
2 |
3 |
4-5 |
6-7 |
7-8 |
8-10 |
10-12 |
13-15 |
16-18 |
18-20 |
20-25 |
D=1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
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3 wing |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ | |||||
4 wing |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ | √ | ||||
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Quick details of 6 inch PDC concave 3 wing bit
Drill bit type |
Non core drill bit |
Material |
45# steel and PDC cutters(1304,1308 or 1608) |
Diameter |
153mm( 6") |
weight |
8kg |
| Usage | Hole drilling |
Application |
Coal mining, geological drilling and water well drilling |
MOQ |
1 piece |
PDC cutter No. |
14 pieces |
Water hole |
5 pieces |
Packaging
Packaging for 153mm PDC concave drill bits is 1 piece in one small carton, 3 pieces are in one big carton.
Samples are shipped by express, batch products are shipped by sea or by air.
Delivery: 1-5 days for samples, 1-15 days for batch products.
