PQ3 diamond bit belong to wireline triple tube core barrel drilling bit, it is made by diamond and steel with forging process, Q3 series diamond bit mainly use for broken formation, the small holes on the water tube is easy for flow out the water when drilling, thus can avoid the samples be washed away.

Product name | PQ3 impregnated diamond bit |
Material | Diamond and steel |
Process | Forging |
Size | PQ3 |
OD/ID | 122.0/83.0mm |
Unit weight | 3.3kg |
Application | Geological drilling and water well drilling |
Rock formation | Broken formation |
MOQ | 1 piece |
Packaging | Carton box |
HS code | 8207199000 |
Parameters of Impregnated Diamond Core Bit
Double tube surface |
Size( surface exploration drill | 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 | 3.875 | 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 |
Xi'an Heaven Abundant Mining Equipment Co.,Ltd is one of the rock drilling tools manufacuturers and exporters in China. Our company adpots high quality raw material to produce quality products with good price since 2010 and we do export business since 2014, till now we have clients in more than 50 countries. Except for Taper Button Bit, we also supply taper crosss bit, taper chisel bit, taper rods, Thread Button Bit, thread rods, retrac button bit, shank adapter, coupling sleeves, DTH bit, DTH hammers, PDC Bit, Tricone Bit, Cutting Tools, etc and other Related Drilling Accessories. Welcome to contact us if you have any requirement of our products.


In the past 9 years, depending on quality products and good service, our standard core bits have gone to many countries, especially in the Middle East, Asia, West Europen, etc. If you have demands for our AQ, BQ, NQ, HQ, PQ, NMLC, NQ3, PQ3 etc impregnated core bits and AQ, BQ, NQ, HQ, PQ Drill Rods, reaming shells or core barrels etc, welcome to contact us.