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Feature

HIGH QUALITY, DURABLE Diamond Coated Holesaw Tool 3 inches Diameter
STANDARD 3/8 inch Shank Use with and standard electric or battery drill.
PROFESSIONAL Quality Tool for Drilling Holes in Tiles, Glass, Fish Tanks, Marble, Granite Countertop, Ceramic, Porcelain
SAVE OVER 80 Percent for DIY Kitchen, Bathroom, Shower, Faucet Installation Projects
Use water as coolant to prolong the tool life, these tools do not need a center pilot drill.

Description

Drilax 3 inch Diamond Hole Saw Drill Bit Tiles, Glass, Fish Tanks, Marble, Granite, Ceramic, Porcelain, Coated Core Bits Holesaw DIY Kitchen, Bathroom, Shower, Faucet Installation

The diamond particule coating on DRILAX hole saws give superior performance and lifetime.

This tool does not need a center pilot hole. Center pilot hole drills are mostly for wood, metal, etc.

This tool can drill 1 inch deep.

3/8 inch Shank Size for STANDARD Electric or Rechargable Drills - Also used with upright drills.

Electroplated diamond coating will wear off if the tool gets too hot.

Here is how you could use water to keep the tool cool:

a- You can build a mini water pool around the hole with plumbers putty.

b- You can choose to spray water on the drill bit.

EASY TO USE Center pilot drill bits are for wood, metal, etc.;

To Start A Hole:

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.

Drilax has a drill bit guide available on Amazon. The guide has a suction base. Just search for "Drilax Drill Guide" on Amazon.