ring drill bits Diamond

Ring drill bit 1/2 Ø 10 - 42 mm

Ring drill bit 1/2″ BK Our standard ring drill bit for the use with all common free-handed drilling machines. Available in each length and diameter.  

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ring drill bit 1/2 Zoll Ø 10 - 42 mm

Ring drill bit thin 1/2″ BKD This ring drill bit has very thin ring segments and is suitable for the use with a free-handed core drilling machine. Ideal for drillings in granite, marble and fine stoneware….

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