- Premium Diamond Drilling Tool Set of 5 1/2″ 0.5 inches – Lot of 5 Diamond Drill Bits
- Best value for 1/2 inch diamond bits. Use with standard hand or upright drillers.
- These tools do not have center pilot drills. And there is no need for a center pilot drill.
- Do NOT run dry. Diamond Coated Tools will work best if you use water to keep the tools cool.
- Shank size is 3/8″ – suitable for all common electric drillers.
Details: The diamond particule coating on DRILAX hole saws give superior performance and lifetime. Please note our tools do not need center pilot holes. Center pilot hole drills are mostly for wood, metal, etc.
Drilax tools can drill 1 ” in depth.
This set is for 5 pieces, all the same size : 1/2″
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 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.
Please use protective gear.
Drilax has a drill bit guide available on Amazon. The guide has a suction base
Item Condition: New