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Wuxi drilling tools factory Co.,Ltd  

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You are here: home  > 36 mm DryDiamond Core Drill Bits / Core Hole Drill Bits Professional
  • 36 mm DryDiamond Core Drill Bits / Core Hole Drill Bits Professional
  • 36 mm DryDiamond Core Drill Bits / Core Hole Drill Bits Professional
Enlarge 36 mm DryDiamond Core Drill Bits / Core Hole Drill Bits Professional

36 mm DryDiamond Core Drill Bits / Core Hole Drill Bits Professional 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: BQ

36 mm Dry Diamond Core Drill Bits / Core Hole Drill Bits Professional
 
 
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36 mm Dry Diamond Core Drill Bits / Core Hole Drill Bits Professional

 

 

Description:


The impregnated diamond bits are typically used in the drilling of hard earth layers (hard stratum or formations), and it is quite suitable for breaking and non-breaking of 5-10-level stratum and a variety of abrasive formations.

 

It mainly consists of diamond, steel body, carbide powder and polycrystalline diamond. The polycrystalline diamond is utilized to avoid too much abrasion of drill bits. The impregnated diamond is synthetic diamond (also called artificial diamond), which costs less but is more suitable to be used in drilling hard formations.

 

As to the packing, it is first packaged by cartons, and then put into the plywood case.

 

 

Specification:


International Standard:
Q series: AQ, BQ, BQ3,NQ, NQ2, NQ3,HQ, HQ3,PQ, PQ3

T series:T36,TB56

TT series:TT46,TT56
T2 series: T2 46,T2 56,T2 66,T2 76,T2 86,T2 101

T6 series:T6 76,T6 86,T6 101,T6 116,T6 131,T6 146

B series:B36,B46,,B56,B66,B76,B86,B101,B116,B131,B146

MLC series:NMLC,HMLC

LTK series:LTK48,LTK60
 

Standard of China:
Single tube series: D36, D46, D48, D56, D59, D60, D66, D75, D76, D77, D78, D91, D92, D93, D94, D95, D96, D98, D100, D110, D112, D130, D132,D152, D171, D173, D225, D245, D279, D325
Double tube series: P36, P46, P48, P56, P59, P60, P66, of P75, P76, P77, P91, P94, P110, P130, P150,P152,P202,P219
Rope series: S56, S59, S60, S75, S76, S77, S78, S91, S95, S96, S98 ,S122

Non-standard also can be made as your requirement.

 

 

Application

 

Our impregnated bits matrices can be selected according to the chart below

Series

Number

 Name of Rock
1 sand, soft shale, chalk, marly shale, med-hard limestone ,salt,frozen soil&ice,soft sandstone,sandy shale,claystone,sandy limestone,soft schist
2-3 soft shale,chalk,marly shale,med-hard limestone,salt,frozen soil&ice,soft sandstone,sandy shale,claystone,sandy limestone,soft schist,med-hard sandstone,siltstone,alluvial deposits,calcitic limestone
4-5 claystone,sandy limestone,soft schist,med-hard sandstone,siltstone,alluvial deposits,calcitic limestone,med-hard limestone,hard limestone,hard shale,dolomitic limestone
6-7 med-hard limestone,hard limestone,hard shale,dolomitic limestone,schist,serpentine,hard & mica schist,siliceous limestone,dolomite,marble,peridotite
7-8 dolomitic limestone,schist,serpentine,hard & mica schist,siliceous limestone,dolomite,marble,peridotite,andesite,pegmatite,hematite
8 dolomite,marble,peridotite,andesite,pegmatite,hematite,magnetit,metamorph schist,gneiss,granite,basalt
9-10 andesite,pegmatite,hematite,magnetit,metamorph schist,gneiss,granite,basalt,gabbro,rhyolite,diorite
10-11 magnetit,metamorphschist,gneiss,granite,basalt,gabbro,rhyolite,diorite,conglomerate,taconite

 

 

Technical Parameters:

 

SIZE BIT OD Hole Diameter BIT ID Core Diameter
inches mm inches mm
AQ 1.870/1.880 47.50/47.75 1.057/1.067 26.85/27.10
BQ 2.340/2.350 59.44/59.69 1.428/1.438 36.27/36.53
BQ3 2.340/2.350 59.44/59.69 1.315/1.325 33.40/33.65
NQ 2.960/2.970 75.18/75.44 1.870/1.880 47.50/47.75
NQ2 2.960/2.970 75.18/75.44 1.990/2.000 50.65/50.80
NQ3 2.960/2.970 75.18/75.44 1.770/1.780 44.96/45.21
HQ 3.755/3.770 95.38/96.00 2.495/2.506 63.38/63.63
HQ3 3.755/3.770 95.38/95.57 2.401/2.411 60.99/61.24
PQ 4.795/4.815 121.80/122.30 3.340/3.350 84.84/85.09
PQ3 4.795/4.815 121.80/122.30 3.265/3.275 82.93/83.19
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 Mr. Mr. Carlyle Gao

Tel: 86-510-83769831
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Company Info

Wuxi drilling tools factory Co.,Ltd [China (Mainland)]


Business Type:Manufacturer
City: Wuxi
Province/State: Jiangsu
Country/Region: China (Mainland)

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