Od30mm Diamond Core Bits for Stone

Model NO.: 6.2.2.2.2


Certification: SGS


Type: Core Drill Bit


Use: Masonry Drilling


Manufacturing Arts: Welding


Graininess: #30/40


MOQ: 200PCS


Diameter: 30mm


Thread Size: 3/8" or 1/2" Shaft Without Thread


Transport Package: Carton


Origin: China




Customized: Non-Customized


Length: 30mm


Material: Diamond


Usage: Drilling


Kind: Diamond Drill


Saw Blade External Diameter: 30mm


Delivery Time: Around 35days


Brand: Johnsontool


Trademark: Johnsontool


Specification: GB


HS Code: 8207501000


Abstract:

30mm Diamond Core Bit as diamond drills is special diamond tool for stone drilling.



Features:

* Strengthened core bits;

* Quick, smooth and accurate coring with professional results;

* Long life;

* Different connection end for different drilling machine.



Specification:

1) Diameter: 30mm

2) Length: 83mm

3) Thread size, 3/8" shaft without thread.

4) Segment type: Normal Type.

5) Drilling materials: Marble, granite, sandstone, limestone, etc.

6) Delivery time: Around 30day

Details spec.:

Item No.	Diameter	Segment Dimension		Total Length	segment nos
	mm	Height	Thickness
BGB20	30	8	2.4	83	4

How dose a diamond core bit work?

A diamond core bit does not cut but works by milling. During the sharpening process performed at the factory, individual diamond crystals are exposed on the face and sides of the segment and it is these that do the milling work. The metal matrix holds each diamond in place. During the work, each diamond is supported by a comet's tail which strengthens the supporting action of the bond immediately "behind" the diamond crystals.



A diamond tool properly suited to the material to be cut, the equilibrium between the work of the diamond and the abrasion-resistance of the bond is optimum; the diamond is held in place until it is destroyed and new crystals appear. It is in this equilibrium that all the quality of the diamond tool resides.



A core bit intended for cutting hard, dense (less abrasive) materials requires a softer segment bond. This wears out more rapidly, by replacing the worn diamonds relatively quickly so that the blade continues to cut.



Otherwise, for cutting soft, abrasive materials must have a hard, abrasion-resistant segments in order to retain the diamonds longer.

Contact us if you need more details on Core Bit. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Diamond Drilling Tool、Stone Core Bit. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Masonry Drill Bit