Drilling Glass and Gemstones
Posted on December 8th, 2009 by Hand Trades
If you are drilling beach glass or any hard or soft stone. you will need diamond tipped drill bits or diamond reamers. For the drill bits, get a 40 grit 30 piece drill bit and tip set to begin with. 40 grit is very coarse and will cut faster so it is perfect for drilling [...]
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