AQ,BQ,NQ,HQ,PQ Impregnated diamond core bits for medium hard to hard and highly abrasive formations
Impregnated diamond core bit is a premium line of specific diamond bits which utilizes hot pressed segments. It’s mainly used for medium hard to hard and highly abrasive formations.
International standard Q,T series Impregnated diamond core bits
Core Barrel Specification | Outside Set Diameter | lnside Set Diameter | ||||||
Maximum | Minimum | Maximum | Minimum | |||||
lnches | mm | lnches | mm | lnches | mm | lnches | mm | |
AQ | 1.88 | 47.75 | 1.87 | 47.5 | 76 | 76 | 76 | 76 |
BQ | 2.35 | 59.69 | 2.34 | 59.44 | 91 | 91 | 91 | 91 |
NQ | 2.97 | 75.44 | 2.96 | 75.18 | 110 | 110 | 110 | 110 |
HQ | 3.77 | 95.76 | 3.755 | 95.38 | 130 | 130 | 130 | 130 |
PQ | 4.815 | 122.3 | 4.795 | 121.8 | 150 | 150 | 150 | 150 |
T2-101 | 3.982 | 101.14 | 3.97 | 100.84 | 171 | 171 | 171 | 171 |
T6-101 | 3.982 | 101.14 | 3.97 | 100.84 | 223 | 223 | 223 | 223 |
Note: Diamond shoes bit, Q series diamond core bit and reaming shells are also available.
LD specializes in kinds of diamond core bit,Impregnated diamond core bit,surface set diamond core bit,
reaming shells, impregnated diamond casing bit, casing shoe bit, diamond reaming shell, corelifter, corelifter case, diamond sub-adapters, hoist plugs, tap, etc.
LD diamond core bit are widely used for geological exploration,mining exploration,hydrogeological exploration and oil,gas exploration etc.
Special products-specifications,properties and shapes can be also provided according to the requirements.
