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High Quality Diamond Core Drill Bit 50mm Concrete Core Drill Bit

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Core Drill Bit Barrel


Senmine’s Core Barrels are made of high quality materials appropriate for the drilling, so they are excellent in life span and quality. They currently have been exported to various countries. We stock a wide range of Core Barrels from Φ18mm to Φ400mm, in length 350mm and 450mm. Other sizes are available upon your request.

Core drill bits barrel Advantage:

* Feature:Threads Available in 1/2BSP, M22, 1-1/4-7, 1-1/4-3, etc.

* Customised in Various Lengths and Threads are Accepted.

High Frequency: Weld Stronger with Steps and Larger Juncture Plane.

Laser Welded: Ultrathin Steel can be Easy Used for Laser Welding. The Melting Point is Small with Stronger Welding.

Wide range of uses in the drilling field. Great Tool for Drilling Deep Holes.

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Diameter (a)
 
b-c
 
Diameter (a)
 
b-c
Diameter (mm)
inch
Overall Length-Effective Length
Diameter (mm)
inch
Overall Length-Effective Length
Φ18
5/7"
370-330mm
450-410mm
Φ108
4-1/4"


370-330mm

450-410mm
 
Φ20
4/5"
Φ114
4-31/64"
Φ22
7/8"
Φ116
4-35/64"
Φ25
1"
Φ120
4-5/7"
Φ27
1.06"
Φ127
5"
Φ30
1-3/16"
Φ132
5-1/5"
Φ32
1-1/4"
Φ140
5-33/64"
Φ36
1-2/5"
Φ152
6"
Φ38
1-1/2"
Φ159
6-3/8"
Φ40
1-3/5"
Φ162
6-25/64"
Φ44
1-7/10"
Φ168
6-3/5"
Φ46
1-4/5"
Φ180
7"
Φ51
2"
Φ188
7-25/64"
Φ56
2-1/5"
Φ200
8"
Φ63
1-1/2"
Φ220
8-7/10"
Φ66
2-3/5"
Φ230
9-1/16"
Φ71
2-4/5"
Φ245
9-3/5"
Φ83
3-1/4"
Φ254
10"
Φ86
3-1/4"
Φ270
10-5/8"
Φ89
3-1/2"
Φ300
12"
Φ96
3-25/32"
Φ325
12-51/64"
Φ102
4"
Φ350
14"

Usage Scenarios      

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Mobile:+86-18630183210
Email: sales@senmine.com
Hebei Senmine Technology Co., LTD
Zip code: 050000
Address: Shijiazhuang,Hebei, China

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