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40MM pro diamond segment hole saw core drill pilot bit


New 1 piece of 40mm (1 9/16") professional diamond core drill / hole saw. Excellent diamond segment which especailly use on rock or granite, marble, tile, porcelain or concrete. You can adjust or remove the pilot bit by hex. key.
40mm (1 9/16") outside diameter , 10mm (3/8") shank. Total length is 110mm (4 3/8"), can drill 60mm (2 3/8") depth.



40MM pro diamond segment hole saw core drill pilot bit