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Description of impregnated core bits
Impregnated core bit is popularly applied in the soft, abrasive, sedimentary, unconsolidated rock formation where
the impregnated core bits perform badly. Grade A core bits are made with imported natural diamond particulars.
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Specifications of core drill bits
Double tube surface | ||||
Size |
Matric system(mm) |
Imperial system( in ) | ||
Hole diameter |
Core diameter |
Hole diameter |
Core diameter | |
BQ |
60 |
36.4 |
2.36 |
1.43 |
NQ |
75.7 |
47.6 |
2.98 |
1.88 |
HQ |
96.1 |
63.5 |
3.78 |
2.5 |
PQ |
122.7 |
85 |
4.83 |
3.34 |
Triple tube surface | ||||
NQ3 |
75.7 |
45 |
2.98 |
1.78 |
HQ3 |
96.1 |
61.1 |
3.78 |
2.41 |
PQ3 |
122.7 |
83 |
4.83 |
3.27 |
Feature of core bits
1.High penetration rate and drilling effeciency.
2.Long service life;
3.Good gauge effect;
4.High cost performance;
5.Wide usable range;
6. Impregnated diamond core bits are the most commonly useful bits in the mineral exploration industry. It core completely and have high efficiency.
Packaging and shipping
Packaging for impregnated core bits is in carton box packaging, 1 piece is in one small carton box, 20 pieces are in one big carton.
Samples are shipped by express, batch products are shipped by sea or by air.
1-5 days for sample, 1-15 days for batch products.
