The CWDD dimple core drill bits are laser welded by the advanced Dr. Fritsch full-automatic laser welding machine, which ensures the dimple segments achieve high welding strength.
The available sizes of laser welded dimple core drills are from 1 '' (25mm) to 14''(350mm) in size.
The dimple core drill is used for professionally wet drilling different hardness of concrete, reinforced concrete.
The Dimple segment design achieves the super long drilling lifespan in heavy reinforced concrete application.
Segments height, working length and connection type can be customized according to your requirement.
Features of Diamond Dimple Core Drill Bits
1) Laser welded technology and silver brazed technology.
2) Segment welding strength guaranteed in heavy duty drilling works.
3) High quality 20# seamless steel barrel
4) Good control in Dynamic balance during rotation
5) Super long lifespan in heavy reinforced concrete.
6) Different Quality level to choose
Applications: drilling concrete, reinforced concrete, asphalt-over concrete with superior efficiency.
Specification of Laser Welded Diamond Core Drill Bits
| Item No. | Diameter | Segment Height | Arbor | Effective Length |
| CWDD02545010 | 25mm | 10 | 11/4"-7 | 450mm |
| CWDD03245010 | 32mm | 10 | 11/4"-7 | 450mm |
| CWDD03645010 | 36mm | 10 | 11/4"-7 | 450mm |
| CWDD04245010 | 42mm | 10 | 11/4"-7 | 450mm |
| CWDD05245010 | 52mm | 10 | 11/4"-7 | 450mm |
| CWDD06245010 | 62mm | 10 | 11/4"-7 | 450mm |
| CWDD06645010 | 66mm | 10 | 11/4"-7 | 450mm |
| CWDD07245010 | 72mm | 10 | 11/4"-7 | 450mm |
| CWDD07645010 | 76mm | 10 | 11/4"-7 | 450mm |
| CWDD08245010 | 82mm | 10 | 11/4"-7 | 450mm |
| CWDD09245010 | 92mm | 10 | 11/4"-7 | 450mm |
| CWDD10245010 | 102mm | 10 | 11/4"-7 | 450mm |
| CWDD11245010 | 112mm | 10 | 11/4"-7 | 450mm |
| CWDD12745010 | 127mm | 10 | 11/4"-7 | 450mm |
| CWDD13245010 | 132mm | 10 | 11/4"-7 | 450mm |
| CWDD15245010 | 152mm | 10 | 11/4"-7 | 450mm |
| CWDD16245010 | 162mm | 10 | 11/4"-7 | 450mm |
| CWDD17245010 | 172mm | 10 | 11/4"-7 | 450mm |
| CWDD18245010 | 182mm | 10 | 11/4"-7 | 450mm |
| CWDD20045010 | 200mm | 10 | 11/4"-7 | 450mm |
| CWDD25045010 | 250mm | 10 | 11/4"-7 | 450mm |
| CWDD30045010 | 300mm | 10 | 11/4"-7 | 450mm |
| CWDD35045010 | 350mm | 10 | 11/4"-7 | 450mm |
Manufacturing Process and Quality Control
Dr. Fritsch Automatic Laser Welding Process
Core Drill Barrel Inspection
Corediam Introduction
Corediam Tools Co., Ltd., as a high-tech enterprise, concentrates on researching & developing manufacturing and marketing diamond tools industry. We have the most extensive, innovative and powerful range of diamond tools for construction, stone and DIY markets. Corediam strives to be the leading professional supplier in the world through technology innovation.
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