Multi-blade cutting.
M-42 cuts more smoothly than other drill bits.
Effective drill depth hole cutter.
Double metal mouth gag.
Patent Pending tooth set design optimized to remove material faster.
Attached arbor and pilot drill included.
Bi-Metal construction for long life.
Will cut holes in aluminum, copper, iron,  zinc, pipes etc.
Bi-metal hole saw power tool metal drilling drill bit gives you greater cutting speed.

Attention:
It is prohibited to work on the following materials: concrete, glass, brick walls, stainless steel.

When working with thicknesses of 10 mm or more, remove the spring from the centreing drill!

The hole-opening material must be fixed well, cannot move, and it must be at a 90° right angle to the hole-opening device.

When opening metal holes, please add water throughout the process, which can effectively extend the service life.

The power of the hand drill must be greater than 750 watts, and the use of impact drills is prohibited.

The rechargeable drill is only suitable for opening plastic, wood, plasterboard and other materials.

Two colours, shipped randomly.