Geodrilling Bits premium series of impregnated diamoned core bit are suitable to the moderm drilling condition. They are wireline series and double-tube series ( Include AQ, BQ, NQ, HQ, PQ, BQ3, NQ3, HQ3, PQ3, NQ2, BWG, NWG, HWG, BWF, NWF, HWF, T2 56, T2 66, T2 76, T2 86, T2 101, T6 86, T6 101, T6 116, T6 131, T6 146 etc. ). All the matrixes are suitable for the rock formation from soft matrix to the very hard metrix. Especial include fractured, abrasive or silicified. Matrix hardness selection is simplified by our colour system, which is designed to help you match the most effective impregnated diamond core bits to your application. Before order, refer to " Matrix Selection Guide ", " Bit Wear "and" Crown Shapes ".

Especially, the gear type impregnated diamond core bits are the special type core bits which are researched and studied by ourselves. They are suitable to the following stones: Ironstone, quartzite, taconite, rhyo- Lite, silicious stone, streak quartize, marble and jasperlite. Drilling Stone character: Non-abrasive or dense soft stones and very hard stones.

Character:
1. AQ, BQ, NQ, HQ, PQ, SQ, BQ3, NQ3, HQ3, PQ3, NQ2, BWG, NWG, HWG, BWF, NWF, HWF( AQWL---SQWL );
2. TT36, TT46, T2 46, TT56, T2 56, T2 66, T2 76, T2 86, T2 101, T6 86, T6 101, T6 116, T6 131, T6 146.