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Diamond core drill bits with great wall semgent

Great wall segment wet core drill is brazed by advanced High-Frequency welding production line.

The available sizes of dotted core drills are from 1 '' (25mm) to 14''(350mm) in size.

The core drill is used for professionally wet drilling different hardness of concrete, reinforced concrete.

The effective length of the Great Wall segment core bit is 450mm and the segment height is 10mm.

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Description Specification Package Delivery Time & Packing Corediam Introduction


Segments height, working length and connection type can be adjustable on your request. 

Suitable: wet drilling concrete, reinforced concrete, masonry with superior efficiency.

Advantage: very good sharpness achieve fast drilling, especially very fast when cutting steels meanwhile, wet core drill have a reasonable lifespan.


Item No.DiameterSegment HeightArborEffective Length
CWDG0254501025mm101 1/4"-7450mm
CWDG0324501032mm101 1/4"-7450mm
CWDG0364501036mm101 1/4"-7450mm
CWDG0424501042mm101 1/4"-7450mm
CWDG0524501052mm101 1/4"-7450mm
CWDG0624501062mm101 1/4"-7450mm
CWDG0664501066mm101 1/4"-7450mm
CWDG0724501072mm101 1/4"-7450mm
CWDG0764501076mm101 1/4"-7450mm
CWDG0824501082mm101 1/4"-7450mm
CWDG0924501092mm101 1/4"-7450mm
CWDG10245010102mm101 1/4"-7450mm
CWDG11245010112mm101 1/4"-7450mm
CWDG12745010127mm101 1/4"-7450mm
CWDG13245010132mm101 1/4"-7450mm
CWDG15245010152mm101 1/4"-7450mm
CWDG16245010162mm101 1/4"-7450mm
CWDG17245010172mm101 1/4"-7450mm
CWDG18245010182mm101 1/4"-7450mm
CWDG20045010200mm101 1/4"-7450mm
CWDG25045010250mm101 1/4"-7450mm
CWDG30045010300mm101 1/4"-7450mm
CWDG35045010350mm101 1/4"-7450mm


  • Diamond core drill bits with great wall semgent

  • Diamond core drill bits with great wall semgent


It is packaged in white box and can be labeled with company logo.

Delivery Time & Packing

Laser Welded Dimple Core Drill Bits

Laser Welded Dimple Core Drill Bits

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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