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| Outer Diameter | From 6mm-180mm or as your request. Less than 20mm, wax in it, better for dry drilling different kinds of materials. |
| Total Length | About 62mm |
| Working Length | 10mm |
| Shank Type | M14 Thread, We can also provide 5/8″-11, Hex shank, Round Shank, Hex Quick release shank. |
1.This Diamond Drilling Core Drill Bit that makes holes on Stone Tile adopts M14 thread, suits for angle grinder. The design of U-shaped chip grooves provides longer working life, fast and smooth drilling.
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