Wuxi Geological Drilling Equipment Co., Ltd

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IMPREGNATED DIAMOND CORE BITS

Wuxi Geological Drilling Equipment Co., Ltd. is one of the top manufacturers of geological diamond drilling tools in China. Thanks to the professional design, advanced sintering equipments, accurate CNC machining machines and strict quality control, we can manufacture kinds of diamond bits with different diamond grades, sizes, matrix heights, hardness and crown profiles, to satisfy different formations and drilling requirements. We can also produce special bits according to Customer’s special requirements. We try our best to provide competitive return-on-investment for most customers.

TECHNICAL PARAMETERS

Core Bit And Reaming Sheell Size
Description Core Bit Core Bit Reaming Shell
Specification Model Outside Diameter Inside Diameter Outside Diameter
Model Inches mm Inches mm Inches mm
BTW 2.345 59.56 1.667 42.35 2.36 59.95
NTW 2.965 75.31 2.218 56.35 2.98 75.7
HTW 3.762 95.57 2.809 71.35 3.783 96.09
AQ 1.875 47.63 1.062 26.97 1.89 48.01
BQ 2.345 59.56 1.433 36.4 2.36 59.95
BQ3 2.345 59.56 1.32 33.53 2.36 59.95
NQ 2.965 75.31 1.875 47.63 2.98 75.7
NQ3 2.965 75.31 1.775 45.08 2.98 75.7
HQ 3.762 95.57 2.5 63.5 3.783 96.09
HQ3 3.762 95.57 2.406 61.11 3.783 96.09
PQ 4.805 122.05 3.345 84.96 4.828 122.65
PQ3 4.805 122.05 3.27 83.06 4.828 122.65
T2-56 2.205 56 1.642 41.7 2.224 56.5
T2-76 2.992 76 2.429 61.7 3.019 76.5
T2-86 3.385 86 2.823 71.7 3.406 86.5
T2-101 3.976 101 3.295 83.7 3.996 101.5
T6-101 3.976 101 3.11 79 3.996 101.5
T6-131 5.157 131 4.252 108 5.157 131.5

SPECIFICATIONS OF DIAMOND CORE BIT

Formation Hardmess Rock Abrassivrness Bit Matris Bit
HRC55 HRC
45-50
HRC
45-50
HRC
35-40
HRC
30-35
HRC
25-30
HRC
20-25
HRC
15-20
HRC
10-15
HRC
5-10
HRC
3-5
F0 F1 F2 F4 F6 F8 F10 F12 F14 F16 F18
Soft clay,shale,very soft sandstone,
marl argilite,volcanic tuff,ect
High              
Medium              
Low              
Medium-Hard limestone,rhyolite lava,
andesite,marble,hard sandstone,
limonite,dolomite,schist,ect
High          
Medium              
Low              
Hard basalt,gmeiss,
granodiorite amphiblolite,
pegmatite,diabase,ect
High            
Medium              
Low              
Very Hard hard granite,
quartzitic xonglomerate,
quarizate hard slate,rhyolite,ect
High        
Medium          
Low                

DIAMOND BIT CROWN SHAPES

Full Round Higher diamond content in the bit face, higher penetration rate and suitablefor drilling hard rocks.
Semi-Round Even diamond distribution in the bit face, suitabie for drilling medium-hard andhard rocksor 
a little broken and loose formations.
Fiat For impregnated diamond bit oniy, suitabie for drilling hard abrasive rocks.
Bottom Discharge Design Suitabie for drilling sedimentary or metamorphic formations containing more powder mineraiw 
with high core recovery percentage, and no excessive core washout.
Stepped Suitabie for dr drilling medium-hard, broken or interbedded formations,hoie deviation can be 
prevented.
Tapered Suitabie for drilling soft and medium-hard formations with high penetration rate.
Serrated Profile Suitabie for drilling hard dense formations with high penetration rate.
Staggered Concentric Profile Suitabie for drilling hard dense formations with high penetration rate under low bit weight.
Gear Wheel Suitabie for drilling hard dense formations with high penetration rat
APPLICATION NOTES
Drilling site in Laos. 
The drilling depth of the impregnated diamond core bits achieved 480m in the iron mine in Laos. 
APPLICATION NOTES

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Tel: +86-510-81631001
Fax: +86-510-81631009
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