1/2" Inch/12MM Diamond Drill Bit Hole Saw for Tile Glass Marble Granite Fiberglass Ceramic Tool (5 Pack)

5pcs 1/2" Inch Diamond Drill Bit Hole Saw for Tile Glass Marble Granite Fiberglass Ceramic Tool

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

Drill Bit Diamond Drill Bits Hollow Drill Bits Tile Drill Bits diamond drill bits for masonry diamond drill bits for jewelry diamond drill bit 1/2 inch diamond drill bit guide Diamond Drill Bits diamond drill bit set

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.

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