Drilax 10 Pcs SET Diamond Hole Saw Drill Bit Set 1/4 inch – 3/8 inch – 1/2 inch – 3/4 inch – 1 inch – 1 1/4 inch – 1 3/8 inch – 1 1/2 inch – 1 3/4 inch – 2 inch Inch Granite Glass Tile Tools

Description

Here is how you could use water to keep the tool cool:
a- You can build a mini water dam around the hole with plumbers putty.
b- You can choose to spray water on the drill bit.
c- 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:
a- 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.
b- You can start drilling at an angle, with the edge of the drill bit making a C slot and then getting the drill bit up to vertical.
c- You can manually guide the drill bit with wet sponge.

Tiles;Glass;Fish Tanks;Marble;Granite;Ceramic,Porcelain;Bottles;Stones