| Customized: | Customized |
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| Standard: | SGS,GB |
| Length: | 104mm |
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| Product Name | Hollow Core Dry Diamond Core Drill Bits for Hard Rock |
| Size | 20mm |
| Conection | M14 Thread (5/8"-11 thread) |
| Total Length | 104mm |
| Segment Height | 10mm |
| Application | Hard Rock like Granite, Limestone, Marble etc |
| Features | * Diamond dry core bit with vacuum brazed protection offers clean cut & steel core protection * The diamond core drill is designed for drilling granite engineered stone * Fit on a high-speed angle grinder * Provides the best cutting performance and can drill through the toughest granite or engineered stone countertop at the job site without using water * Recommend to use water to cool down,will greatly extend their lives |
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