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| Customization: | Available |
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| Type: | Core Drill |
| Usage: | Masonry Drilling, Reinforced Conrete Drilling |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Three-piece diamond core drill is separated, including drilling head(with diamond segments), extension rod and adaptor. It's laser welded diamond core drill. Three-piece diamond core drill has 
common characteristics, fast drilling, long drilling life, and high efficiency. The outstanding feature is you can drill whatever depth that you wanna drill, just by adding extension rods. Diameters range covers 1 inch to 20 inches.
Three-piece diamond core drill bit specification
Diameter: 1 inch to 20 inches
Segments height: 10mm
Adaptor: 1 1/4''UNC
| Item No. | Diameter | Core Bit Length | Steel Tube Length | Adapter Length | Total Length | Barrel Thickness |
| CTCD02509 | 1" | 50mm | 300mm | 100mm | 420mm | 2.6mm |
| CTCD03209 | 1-1/4" | 55mm | 300mm | 100mm | 415mm | 2.6mm |
| CTCD03809 | 1-1/2" | 65mm | 300mm | 100mm | 405mm | 2.6mm |
| CTCD05109 | 2" | 65mm | 300mm | 100mm | 405mm | 2.6mm |
| CTCD06209 | 2-1/2" | 70mm | 300mm | 100mm | 410mm | 2.6mm |
| CTCD07509 | 3" | 70mm | 300mm | 100mm | 410mm | 2.6mm |
| CTCD08809 | 3-1/2" | 70mm | 300mm | 100mm | 410mm | 2.6mm |
| CTCD10809 | 4" | 100mm | 300mm | 100mm | 440mm | 3.0mm |
| CTCD12609 | 5" | 120mm | 300mm | 100mm | 460mm | 3.0mm |
| CTCD15809 | 6" | 120mm | 300mm | 100mm | 460mm | 3.0mm |
| CTCD17809 | 7" | 120mm | 300mm | 100mm | 460mm | 3.0mm |
| CTCD20309 | 8" | 120mm | 300mm | 100mm | 460mm | 4.0mm |
| CTCD22809 | 9" | 120mm | 300mm | 100mm | 460mm | 4.0mm |
| CTCD25209 | 10" | 120mm | 300mm | 100mm | 460mm | 4.0mm |
| CTCD30009 | 12" | 120mm | 300mm | 100mm | 460mm | 4.0mm |
| CTCD35009 | 14" | 120mm | 300mm | 100mm | 460mm | 4.0mm |
| CTCD40009 | 16" | 120mm | 300mm | 100mm | 460mm | 4.0mm |
| CTCD45009 | 18" | 120mm | 300mm | 100mm | 460mm | 4.0mm |
| CTCD50009 | 20" | 120mm | 300mm | 100mm | 460mm | 4.0mm |

