Set of 15 diamond drill bits, hole saws for carbon steel, glass drill bits, ceramic, porcelain, tile, marble, 6/8/10/12/14/16/18/20/22/25/28/30/35/ 40/50mm

15 different sizes of diamond drill bits: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, 35mm, 40mm, 50mm. Suitable for drilling holes for glass, tile bottles, jars, ceramic fiberglass porcelain tiles, slate marble, light granite stone (especially for glass AND tiles).

The hole saw opened smoothly, no choking, no broken edge, no shaking phenomenon, the drilling speed is very fast, easy chip removal, etc.

Drilling speeds Reduced drilling pressure, low drilling pressure and increased use of water lubrication greatly extend the service life of the drill bit.

Simple operation: Draw a circular path. First, drill slowly at a 45° angle (no vertical drilling allowed!) after a fixed position has been established, and then slowly hold the machine and the objects horizontally.