Diamond hole cutter GRAPHITE (ref. 55H312) in diameter 45 mm with thread M14 is designed for precise cutting of stone, stoneware, tiles, glass, asphalt, brick, concrete. Thanks to the use of a diamond, the cutting power is concentrated in a small area, which eliminates the risk of cracking or damaging the surface. Suitable for dry running. The hole cutter has been vacuum brazed, which will increase its resistance. Diamond hole cutter, diameter 45 mm, working length 40 mm, total length 60 mm, thread M14, vacuum brazed, for dry running, 11000 rpm.