Material:Select emery material, surface brazing coatingAdvantage: 1.Surface brazing coating to make long using life and not rust
2.Special design on head with hole , easy to chip removal and low cutting resistance
3.Adopt emery material and brazing coating, it will be more durability than normal hole saw
4.Cutting quickly, orderly, smooth, no broken edges
5.It is round handle <22mm,Triangular handle >22mm,which will be clamp hard,not slipped.
6.Working depth is 35mm, total length is 66mm
Diamond Braze hole saw used for Marble, Granite, Vitrified Brick,Ceramics, Tile,Glass,Microlite, Quartzite