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Wireline Diamond Core Drill Bits For Granite / High Performance Core Drill Bit

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Wireline Diamond Core Drill Bits For Granite / High Performance Core Drill Bit

Brand Name : Master Core & Core-XZ
Model Number : NQ3
Certification : ISO API
Place of Origin : China
Price : Negotiation
Payment Terms : T/T or L/C
Supply Ability : 10,000pcs per month
Delivery Time : 10-15 working days after payment
Packaging Details : Steel Belt Iron Frame Export Wooden Case
Product Name : NQ3 Impregnated Diamond Drilling Bits
Standard : DCDMA CMS GB
Avalilable Size : NQ3(BQ BQ3 NQ NQ2 HQ HQ3 PQ PQ3)
Process : Impregnated
Core Size : 45mm
Usage : Wireline Core drilling
Crown Height : 9mm 12mm 14mm 16mm
Waterways : 8 /10 Or as your requirement
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Wireline Diamond Core Drill Bits For Granite / High Performance Core Drill Bit Geological Drilling NQ3


The impregnated diamond bits are manufactured using high quality raw materials for optimum drilling performance. These impregnated bits present a metallic layer impregnated of diamonds on its cutting face. These impregnated bits are made by mixing fine diamonds with a metallic powder called matrix. The mixture is then subjected to heat treatment assuring the metallurgical bond of the matrix on the steel blank. To maintain optimal performance during entire bit life, it is important that matrix wear is synchronized with the diamond wear to ensure exposure of new diamonds with sharp edges.

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


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


LTK series:LTK48,LTK60

Non-standard also can be made as your requirement.


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



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

Technical Parameters:

SIZEBIT OD Hole DiameterBIT ID Core Diameter

Product Tags:

diamond tipped core drill bits


hollow core diamond drill bits

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