Description :

?Dual pilot drill For drilling fast, and prevent to accumulate the chips.
?Slant tungsten steel designed for drilling faster and quicker. Provide 50% efficient more than standard types. And the hole is very beautiful.

The tungsten steel hole saw for door lock. The new Slant Tungsten cutting edge is very durable.
And provide faster drill efficiency.
The alloy steel hole saw for door lock.

Specification :

The tungsten steel holw saw 55mm for door lock. The accessories are 9mm pilot bit and 22mm wood drill bit. 60mm for the table of wire hole. The accessorie is 9mm pilot bit. 80mm for The drain or air conditioner pipe. The accessories is 9mm pilot bit. 100mm for downlight. The accessories is 9mm pilot bit. The alloy steel hole saw 54mm for door lock. The accessories are 9mm pilot bit and 22mm wood drill bit.

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