7Pcs/Set Metal Diamond Coated Core Hole Tile Marble Glass Saw Tilling Drill Bit Set 10-100mm Hot Sale

Description

Is suitable for glass, ceramic tile, marble, granite, etc.. Just installed in ordinary electric drill can be used, first the 45 degree angle of drill positioning, after vertical drilling, force should be gentle. Specifications: Material:metal Color:silver Length:5cm Diameter:10/25/40/55/70/85/100 mm Application:Glass, ceramic tile, marble, granite and other brittle hard materials Features: 1.Unique opening design, drilling sharp, easy to operate 2.Open hole, smooth, no broken edge, will not produce the phenomenon of tremor 3.Small incision resistance,Improve the opening speed,Easy to trim after slotting How to use 1.Installed in an ordinary electric drill2.First 45 degree angle drill position, then the vertical drilling 3.Force should be light slow, especially in the beginning of the drilling and drilling to slow 4.When opening a hole operation, need to add water while operating