*Drill bit hole saw core drill hole drill drilling crown core drilling diameter: 25mm
Drill bit hole saw core drill hole drill drilling crown core drilling diameter: 25mm This hole saw has a twist drill bit inside, with the sharp carbide teeth it\'s perfect for fast cutting off clean round holes :)
The gears is made from carbide steel and designed in a sharp and solid way,in order to make the product more stabilized and service long with lower consumption.
It suitable for hand held electric drill,stand motor driven drilling machine and mobile ribbon type magnetism drilling machine.
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