Thread: Drilling glass for big bulkheads a few ?s
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Old 10-15-2011, 05:22 PM
jr999 jr999 is offline
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I've never drilled over an existing hole but using a 2x4 with a hole cut just bigger than the OD of the diamond bit helps me keep the bit from wandering. Do you have a piece of glass you could drill your holes sizes in as a test run.

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