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This core drill bit can be used for stone, brick, granite, marble, concrete, and so on... Has very good quality and performance. Special vents help keeping the bit cool and provide fast removal of cutting debris.

The outer diameter has: 25mm, 32mm,38mm, 50mm, 68mm, 75mm, 82mm, 100mm, 115mm, 125mm, 150mm, 180mm, 200mm, 230mm, 250mm.

Overall length has: 170mm, 200mm, 230mm, 250mm.

Other outer diameters and overall length are available upon request.