Core Bits include impregnated diamond core bits, surface set diamond core bits, tungsten carbide core bits, PDC core bits, TSP core drill bits and electroplated diamond core bits. 

Changsha Miracleland Import & Export Co., Ltd is a professional and credible international trade company. We are specialized in manufacturing and exporting drilling tools and equipment for mining exploration, soil investigation, water well construction, and etc.

Miracleland had been making great efforts to develop various drilling tools to meet the different needs for our customers. The drilling tools including core bits, diamond core bits, non-coring bits, reaming shells, casing shoes & casing bits, core barrels, overshots, drill rods, casing tubes and other drilling tools.

If you need any further information about our any type drilling tools, please feel free to contact with us, we would be quite pleased to show all the details you asked for.

Size:

A-Gauge Core Bits: AQ, AQ-RSG, AWG(AX), AWM, AWT, LTK48
 
B-Gauge Core Bits: BQ, BQ-RSG, BQ-2.400, BQ3, BWG(BX), BWM, BWT, LTK60, TBW
 
N-Gauge Core Bits: NQ, NQ-RSG, NQ-3.032, NQ2, NQ2-RSG, NQ3/NQTT, NQ3-RSG, NQ3-3.032, NMLC, NWG(NX), NWM, NWT, TNW,
 
H-Gauge Core Bits: HQ, HQ-RSG, HQ-3.830, HQ-3.895, HQ3/HQTT, HQ3-RSG, HQ3-3.895, HMLC, HWF-Long, HWF-Short, HWG(HX), HWT
 
P-Gauge Core Bits: PQ, PQ3, PWF-Long, PWF-Short
 
S-Gague Core Bits: SWF-Long, SWF-Short
 
U-Gague Core Bits: UWF-Long, UWF-Short
 
Z-Gauge Core Bits: ZWF-Long, ZWF-Short
 
T, TT, T2&TB Series Metric Core Bits: T36, TT46, T2-46, TB56, TT56, T2-66, T2-76, T2-76Coreline, T2-86, T2-86Coreline, T2-101, T2-101Coreline
 
T6 Series Metric Core Bits: T6-76, T6-86, T6-101, T6-116, T6-131, T6-146
 
T6S Series Metric Core Bits: T6S-76, T6S-86, T6S-101, T6S-116, T6S-131, T6S-146
 
B Series(IS03552-1)Metric Core Bits: B36, B46, B56, B66, B76, B86, B101, B116, B131, B146