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                                    |  | Grinding & Cutting Wheels |  |  
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                    | Laser Welded Diamond Core Drill Bit |  |  |  
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FOR DRY & WET DRILLING !!! 
 The laser-welded diamond core drill bit is designed for reliability, efficiency and safety on a variety of construction materials.   It's ideal for drilling in concrete, bricks and brickwork.    Suitable for manual drilling machines. Applications:Concrete, bricks, brickwork, breeze block, sandstone, etc.
 Features:
 1. Laser welded for high cutting speed & long lifetime;2. Self cooling & fast removal;
 3. Dry and wet use.
   Its length dia. size from 25mm to 152. and lengh is 150mm,200mm,250mm,350mm,400mm,450mm.   Connector: 1/2¡± BSP, 1-1/4¡± UNC7, M14, M16,5/8¡±-11UNC,etc.   Segment Type: Normal Type; Turbo Segment Type; Crown (or Ring) Segment Type; Roof Segment Type, etc.   Other special sizes and types could be made upon requests. 
 
 
 
| Core Bits Dia. | Segment Dimensions | Core Dimensions |  
| Height | Length | Thickness | Seg. No. | Allover Length | Thickness |  
| (MM) | (MM) | (MM) | (MM) | (PCS) | (MM) | (MM) |  
| ¦µ25.4 | 10 | 24 | 3.6 | 2 | 150, 200, 250, 350, 400, 450 | 2 |  
| ¦µ28 | 10 | 24 | 3.6 | 3 | 150, 200, 250, 350, 400, 450 | 2 |  
| ¦µ30 | 10 | 24 | 3.6 | 3 | 150, 200, 250, 350, 400, 450 | 2 |  
| ¦µ32 | 10 | 24 | 3.6 | 3 | 150, 200, 250, 350, 400, 450 | 2 |  
| ¦µ35 | 10 | 24 | 3.6 | 4 | 150, 200, 250, 350, 400, 450 | 2 |  
| ¦µ38 | 10 | 24 | 3.6 | 4 | 150, 200, 250, 350, 400, 450 | 2 |  
| ¦µ40 | 10 | 24 | 3.6 | 4 | 150, 200, 250, 350, 400, 450 | 2 |  
| ¦µ45 | 10 | 24 | 3.6 | 5 | 150, 200, 250, 350, 400, 450 | 2 |  
| ¦µ52 | 10 | 24 | 3.6 | 5 | 150, 200, 250, 350, 400, 450 | 2 |  
| ¦µ56 | 10 | 24 | 3.6 | 6 | 150, 200, 250, 350, 400, 450 | 2 |  
| ¦µ63 | 10 | 24 | 3.6 | 6 | 150, 200, 250, 350, 400, 450 | 2.2 |  
| ¦µ76 | 10 | 24 | 3.8 | 7 | 150, 200, 250, 350, 400, 450 | 2.2 |  
| ¦µ89 | 10 | 24 | 3.8 | 8 | 150, 200, 250, 350, 400, 450 | 2.2 |  
| ¦µ102 | 10 | 24 | 3.8 | 9 | 150, 200, 250, 350, 400, 450 | 2.2 |  
| ¦µ115 | 10 | 24 | 3.8 | 11 | 150, 200, 250, 350, 400, 450 | 2.2 |  
| ¦µ127 | 10 | 24 | 3.8 | 12 | 150, 200, 250, 350, 400, 450 | 2.2 |  
| ¦µ140 | 10 | 24 | 4.1 | 13 | 150, 200, 250, 350, 400, 450 | 2.5 |  
| ¦µ152 | 10 | 24 | 4.1 | 14 | 150, 200, 250, 350, 400, 450 | 2.5 |  
| ¦µ202 | 10 | 24 | 4.1 | 18 | 150, 200, 250, 350, 400, 450 | 2.5 |    |  |  |  |