Gold Member Since 2013
Quanzhou Top Diamond Tools Co., Ltd.

Drill Bit, Core Bit, Core Drill Bit manufacturer / supplier in China, offering Crown Ring Diamond Core Bit for Stone, PCD Diamond Grinding Plates for Grinding Concrete Floor, Diamond Wire Saw for Granite Quarry Cutting and so on.

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Supplier Homepage Product Dill Bits Crown Ring Diamond Core Bit for Stone

Crown Ring Diamond Core Bit for Stone

Purchase Qty.:
(Pieces)
5-9 10+
FOB Unit Price: US $3 US $10
Purchase Qty. (Pieces) FOB Unit Price
5-9 US $3
10+ US $10
Get Latest Price
Production Capacity: 50000 Pieces/Month
Transport Package: White Box
Payment Terms: T/T, Western Union

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Basic Info
  • Material: Diamond
  • Manufacturing Arts: Welding
  • Trademark: TOP Diamond Tools
  • Origin: China
  • Usage: Drilling
  • Connector: Shank, M14, M16, 5/8"-11, Gas1/2"for CNC Machine
  • Specification: ISO9001
Product Description
Application: Drilling granite and marble.
Segment: Crown ring (dia14-dia50) and segmented (dia60-dia152).
Wet use, center water feed.
Total length: 50mm, 80mm, 100mm, 120mm, 360mm.
Connection: Shank, M14, M16, 5/8"-11, GAS1/2"for CNC machine.
Advantage: Fast and smooth cutting, long lifetime.

Diamond Core Drill Bit is a cylinder used for plunge cutting out materials. It is composed up of a heat treated steel core and at its top consists of a powder metal. Diamond dusts mesh in its segments. This allows the core bit to drill clean and fast while extracting the material.

ADVANTAGES:
Less loss of material
Minimum material deformation
Less heat generation
Faster drilling speed
Less chipping
Better finish quality
Item No.DiameterSegment
TNCB53/16"/5mm10mm
TNCB61/4"/6mm10mm
TNCB85/16"/8mm10mm
TNCB103/8"/10mm10mm
TNCB121/2"/12mm10mm
TCBR1414mm2.5x7/10mm
TCBR2020mm2.5x7/10mm
TCBR251"/25mm2.5x7/10mm
TCBR3030mm2.5x7/10mm
TCBR321-1/4"/32mm2.5x7/10mm
TCBR351-3/8"/35mm2.5x7/10mm
TCBR381-1/2"/38mm2.5x7/10mm
TCBR4040mm2.5x7/10mm
TCBR451-3/4"/45mm2.5x7/10mm
TCBR502"/50mm2.5x7/10mm
TCB602-3/8"/60mm3.0x7/10mm
TCB632-1/2"/63mm3.0x7/10mm
TCB763"/76mm3.0x7/10mm
TCB893-1/2"/89mm3.0x7/10mm
TCB1014"/101mm3.0x7/10mm
TCB1154-1/2"/115mm3.0x7/10mm
TCB1275"/127mm3.0x7/10mm
TCB1526"/152mm3.0x7/10mm


Quanzhou TOP Diamond Tools Co., Ltd is one of the most professional manufacturers of top quality diamond tools in China with the management system certificate of ISO9001. All of our production and inspection are rigidly controlled according to the International Standard which guarantee our steady quality and reasonable cost of diamond tools, such as diamond saw blades, diamond segments, diamond wire saw, diamond / PCD cup wheels, diamond polishing pads, diamond grinding plate / pucks / plugs, diamond fickert / frankfurt, diamond core bits, router bits, brushes etc. 

They are widely used for cutting and grinding granite, marble, concrete, asphalt, ceramics, etc. 

With over 15 years of production and problem solving experience, we have been developing diamond tools in different applications featured with reliable quality and reasonable price as follows: 

1. Diamond Tools for Concrete Flooring (from surface preparation up to final polishing) 

2. Diamond Tools for Stone (from its extraction in the quarry, through slabbing, sawing, drilling, milling and surfacing, up to final polishing)

3. Diamond Tools for Construction. 

Our goal is to guarantee our tools work efficiently for every customers always and increase the competition for theirs. 

We would like to thank all of our existing customers for their loyalty and support over the years. We would also like to welcome new customers and look forward to a long and prosperous future together. 
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