Diamond Core Drill Bits For Hard Stone Concrete Marble Granite Dry/Wet Hole Saws

51u9zLfnYuL-1副本
QQ图片20251116164903
DSC_2611__80143
QQ图片20251116154336副本----1
618l75XMQEL
7b033efb31fce9e9d9eccf960700293e副本

Diamond Core Drill Bits For Hard Stone Concrete Marble Granite Dry/Wet Hole Saws

 

 

About this item
【Core Drill Bits】Specially designed for drilling into hard materials like granite, marble, and engineering stfor, these welded dry core bits ensure efficient and precise drilling results.


【Dry or Wet Use】These core bits can be used either dry or wet, with the wet option greatly extending the segment life for enhanced durability and longevity.


【Compatibility】Compatible with angle grinders and can be easily operated with them. For other machines such as for SDS, hex, or round plus shank, an adapter is required for seamless compatibility.


【Sintered Tooth Design】Featuring sintered tooth design with 3/4/5/6/7 teeth options, these core bits deliver excellent cutting performance and ensure smooth drilling operations.

 

 

DIAMOND CORE BIT Specifitions
Outer Diameter Inch Outer Diameter Inch Outer Diameter Inch
Φ8mm 1/3" Φ51mm 2" Φ168mm 6-3/5"
Φ10mm 2/5" Φ56mm 2-1/5" Φ180mm 7"
Φ12mm 1/2" Φ63mm 2-1/2" Φ202mm 8"
Φ14mm 5/9" Φ66mm 2-3/5" Φ220mm 8-7/10"
Φ16mm 5/8" Φ71mm 2-4/5" Φ245mm 9-3/5"
Φ18mm 5/7" Φ76mm 3" Φ300mm 12"
Φ20mm 4/5" Φ83mm 3-1/4" Φ350mm 14"
Φ22mm 7/8" Φ89mm 3-1/2" Φ400mm 15-1/2"
Φ24mm 15/16" Φ102mm 4" Φ450mm 17-7/10"
Φ26mm 1-1/27" Φ108mm 4-1/4" Φ500mm 19-7/10"
Φ28mm 1-1/9" Φ110mm 4-1/3" Φ550mm 21-7/10"
Φ30mm 1-3/16" Φ120mm 4-5/7" Φ600mm 23-3/5"
Φ32mm 1-1/4" Φ127mm 5" Φ650mm 25-3/5"
Φ38mm 1-1/2" Φ132mm 5-1/5" Φ700mm 27-3/5"
Φ40mm 1-3/5" Φ152mm 6" Φ800mm 31-1/2"
Φ44mm 1-7/10" Φ159mm 6-3/8" Φ1000mm 39"

 

 

 

 

Best regards,    
  
Phiger Leo
Direct Line: 0086-137-6419 5009
WeChat/WhatsApp:: +86-137-6419 5009 
===========================================================
ROSCHEN@ INC.                                 
ROSCHEN@ GROUP LIMITED
ROBERT ROSCHEN@ LIMITED
ROSCHEN@ HOLDINGS LIMITED    
HEFEI ROSCHEN@ TOOL CO., LTD.
ROSCHEN@ GEOLOGICAL TOOL CO.,LTD.
SHANGHAI ROSCHEN@ INTERNATIONAL CO., LTD.
ROSCHEN@ GEOLOGICAL INSTRUMENTS CO., LTD.  
EMAIL: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschendrill.com
http://www.roschenmining.com
http://www.roschendrilling.com  
http://www.explorationcoredrilling.com   
http://www.roschen.net 
http://www.roschen.cn
http://www.roschen.com 
https://www.drillpipefactory.com
===========================================================