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1pc Vacuum brazed diamond drilling core bits with15MM diamond height. Diameter20mm, 25mm, 28mm, 30mm, 32mm, 35mm, 38mm, 40mm, 43mm, 45mm, 50mm, 55mm, ...
Read More1pc Vacuum brazed diamond drilling core bits with15MM diamond height. Diameter20mm, 25mm, 28mm, 30mm, 32mm, 35mm, 38mm, 40mm, 43mm, 45mm, 50mm, 55mm, ...
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