Diamond core bit use for drill all kinds non-metal material, such as concrete, granite, marble.

Diamond core drills

Construction drills are used for construction,for example,hole of air-conditioned,hole of water pipe,gas nozzle on the wall and floor.Their merits are high efficiency,long service life time and no damaging to the wall.

UNIT:Mm  
Diameter(D)  Segment length (L)  Segment thickness(T)  Segment height(W)  Quantity of segments(S)  
Inch  mm  
1  27.3  13  3.5  6  5  
1-1/4  33.1  13  3.5  6  6  
1-1/2  40.8  13  3.5  6  7  
1-3/4  45.8  13  3.5  6  7  
2  53.2  15  3.5  6  8  
2-1/4  56.7  15  3.5  6  8  
2-1/2  64.7  15  3.5  6  10  
3  77.2  15  3.5  6  12  
3-1/2  89.9  15  3.5  6  13  
4  110  20  4  6  13  
5  127.5  20  4  6  15  
6  160  20  4  6  17  
7  180.5  20  4  6  18  
8  205  20  4.5  6  20  
9  230  20  4.5  6  23  
10  253.5  20  4.5  6  25  
12  306  20  4.5  6  30  
14  356  20  4.5  6  35  

Verious Specification are avaible according to customer's requirement!