Product Review

Diamond Drill Bit Glass drill bit for Tile Marble Granite Fiberglass Ceramic Tool Drill Bit Set 5 Pack

Diamond coating maximizes performance and retains a sharper cutting edge than traditional carbide or bimetal hole saws

Side holes allow for easy slug removal after drilling

Perfect set for cutting accurate holes in a wide variety of materials such as glass and ceramics

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Electroplated diamond coating will wear off if the tool gets too hot. Never let your drill bit run dry. Here is how you could use water to keep the tool cool:

1.You can build a mini water dam around the hole with plumbers putty.

2.You can choose to spray water on the drill bit.

3. Or you can use running water to cool the drill bit.

EASY TO USE

Center pilot drill bits are for wood, metal, etc.; Here is how you can keep the drill bit on target:

1. You can make your own guide out of plywood - plastic or even a card board. All you need is to keep the drill bit in place until it makes the initial marks.

2. You can start drilling at an angle, with the edge of the drill bit making

3. C slot and then getting the drill bit up to vertical.

4. You can manually guide the drill bit with wet sponge.

Every item of our products has passed professional inspection before going out. There are quality problems for you to replace for free within one week. 24 hours for your online service, if there is any problem, please contact us in time. Thank you

We are the brand: Newsfana Please go to the Newsfana store to buy, thank you!

5-piece 3/25", ", 5/16", 3/8", and ½" diamond dust hole saw set. 1/4-inch