Fujian, China
Business Type:
Manufacturer/Factory
Number of Employees:
21
Year of Establishment:
2006-09-13
Management System Certification:
ISO 9001, ISO 14000
OEM/ODM Availability:
Yes
OEM/ODM Service
Sample Available
Overseas Agent / Branch

Retipping Magnet, Magnetic Drill Bit Holder, Magnet for Core Bit Segment manufacturer / supplier in China, offering Metal Retipping Magnetic Drill Bit Holder for Core Drill Bit Segment, Sandstone Cutting China 400mm Diamond Saw Blade Segment, Limestone Cutting China 900mm Diamond Saw Blade Segment and so on.

Diamond Member Since 2007
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Supplier Homepage Products Brazing magnet Metal Retipping Magnetic Drill Bit Holder for Core Drill Bit Segment

Metal Retipping Magnetic Drill Bit Holder for Core Drill Bit Segment

Get Latest Price
Min. Order / Reference FOB Price
10 Pieces US $5/ Piece
Port: Xiamen, China
Production Capacity: 50000PCS/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Customized: Customized
Certification: ISO9001:2000, SGS
Length: 120/160/370/450mm
Type: Core Drill Bit
Material: Diamond
Usage: Masonry Drilling

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Basic Info

Model NO.
HUAZUAN100545
Application
Braze for Welding Segment on Core Barrels
Product Name
Magnet Holder
Raw Material
Magnet,Steel etc
Retip Welding Magnet
0.5/0.75/1.0/1.25mm
Total Length
72.5mm Overall Length
4 Position
4 Side Clearance Available
Unit
Piece
Welding Technology
High Frequency Welding, Laser Welding
Printing
Logo & Main Operating Info.
Trademark
Huazuan
Transport Package
Carton. etc
Specification
SGS
Origin
Fujian. China
HS Code
8202390000
Product Description
Metal Retipping Magnetic Drill Bit Holder for Core Drill Bit Segment

Magnet Holder:

This tool is used for brazing the segments onto the barrels.
Because the segments are usually 4mm thick and a barrel might be 2mm thick, this tool gives you the offset required when brazing your segments onto the barrel.

Application: For segment retipping

Metal Retipping Magnetic Drill Bit Holder for Core Drill Bit Segment

Feature:

The retipping magnet are made of strong N35EH neodymium magnet with strong magnitizm but also high resistance for heat.In the meantime,the retipping magnet are perfect for position the drilling segment in percise side clearance.Also the inner side clearance can be adjust when you put the magnet in it's a,b,c,d position

4 side clearance available 
Strong magnet for resisting high temperature
72.5mm overal length
With N35EH neodymium magnet

Metal Retipping Magnetic Drill Bit Holder for Core Drill Bit Segment

Normally when brazing the segment,the rule is:
Inner side clearance=(segment width-steel core width)x0.4
Outer side clearance=(segment width-steel core width)x0.4
Following is the reference for the segment size and steel core width for different diameter

Diameter(mm)Segment No.Segmen Size(mm)Segment ThicknessSteel Core Thickness
D25315*3.5*9mm3.5mm2.0mm
D32415*3.5*9mm3.5mm2.0mm
D38520*3.5*9mm3.5mm2.0mm
D44520*3.5*9mm3.5mm2.0mm
D52524*3.5*10mm3.5mm2.0mm
D58524*3.5*10mm3.5mm2.0mm
D63624*3.5*10mm3.5mm2.0mm
D76724*3.5*10mm3.5mm2.0mm
D89824*3.5*10mm3.5mm2.0mm
D102924*4.0*10mm4.0mm2.0mm
D1081024*4.0*10mm4.0mm2.5mm
D1141024*4.0*10mm4.0mm2.5mm
D1271124*4.0*10mm4.0mm2.5mm
D1401124*4.0*10mm4.0mm2.5mm
D1521224*4.0*10mm4.0mm2.5mm
D1671224*4.0*10mm4.0mm2.5mm
D1801424*4.5*10mm4.5mm3.0mm
D2001424*4.5*10mm4.5mm3.0mm
D2301524*4.5*10mm4.5mm3.0mm
D2501624*4.5*10mm5.0mm3.5mm
FAQ:

1.Isn´it difficult to braze? What do I need to start retipping myself?
If you have no experience on how to braze you will learn quick - we will provide you with all the information you may need and what equipment to choose. Practice on a bit or two and you will soon get the grip.


2.What do I need to start?
When you order your retipping equipment from us, to decide what knife and matrix to choose, inform us what segment length you use for your retipping. 24 mm length is the most common in Europe. (1" for USA.)
For the brazing we recommend acetylen/ oxygen gas and a torch head with a concentrated flame. (More information comes with your first magnet shipment.) This you buy at you local supplier.To start brazing with magnets a good quantity may be 12 pcs of magnet. Then you normally can braze core bits up to Ø 150 mm (6") in one set. Silver for the brazing and flux specially suited for these kind of jobs you can order from us.


3.How many segments shall I put on?
Along with the equipment comes a chart showing recommended number of segments for each diameter. You are free to change according to your wishes. If you are drilling in very hard materials - or if you want to drill faster - or if you have a weak machine - you put on less segments.

 

4.What segment width shall I choose?
First depending on the steel thickness - you need a clearance on both sides of at least 0.5 mm (.02") on the smallest bits. On the outside of the bit you may have a little more clearance than on the inside. The more power on the machine or the more abrasive material the bigger clearance is to prefer.

 

5.What is the life on the magnets?
The magnets can be used several thousand times.

 

6.Can I also buy only the steel barrels and that way manufacture my own new bits?
Yes, of course you can manufacture new bits on your own by purchasing only the barrels.

 

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