The crown include flat face and "v" ring design, the impregnated
casing shoes bits are good for sand, boulders, gravel and clay. The
Surface-set casing shoes cut through boulders easily, and also are
suitable for different overburden formations.
Casing shoe bits: AW, BW, NW, HW, PW SW,
Rod casing shoe: BQ, NQ, HQ, PQ,
Also sinocoredrill can provide :
1. BQ rod, NQ rod, HQ rod, AW rod, BW rod and casing
2. Diamond core bits for exploration mining and dam drilling
grouting;
3. Diamond reaming shells for exploration mining and dam drilling
grouting; (They are the AQ, BQ, NQ, HQ, PQ, BQ3, NQ2, NQ3, HQ3,
PQ3, TNW, NMLC, HMLC,
4. Casing shoes bits; (AW, BW, NW, HW, PW)
1. High Penetration Rate
2. High Rotation Speed
3. High Performance
4. Long life drilling
5. High strong resistance to abrasion
