This 17° cone bur can be used to drill an angled hole that matches the 17° angle on many settings, most notably bezel settings. Solves the problem of inserting a standard tapered prong or bezel setting into a standard shank.

Made of high-speed steel with up to 20% more fluting to reduce chatter and improve cutting action.

Size 30, 8.00mm diameter at widest part.

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