Description:

Do NOT Use Dry - Use water as coolant 2 7/8 - Diamond Drilling Hole Saw Tool 2 7/8 inches - Very Rare Large Size - Slightly Smaller Than 3 inches This Tool Does NOT Have a Center Pilot Drill The diamond particule coating on DRILAX hole saws give superior performance and lifetime. Center hole drills are mostly for wood, metal, etc. Drilax tools can drill 1 inch in depth. Shank size is 3/8 - common electric or rechargable drillers can be used. 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: 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 drill bits are for wood, metal, etc. ; Here is how you can keep the drill bit on : 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 pluntil 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. Model # DRILAX010075 Features: Wet Cutting Diamond Drilling Holesaw Tool 2 7/8 - Slightly Smaller Than 3 inches This is a very rare size. Save %80 over stores. There is no need for a center drill. These tools do not have center drills. Do NOT run dry. Shank round and size is 3/8 - Use with standard electric or battery drillers.