This simple device will help with the help of ordinary hand drills to cut holes of any diameter in the plywood, hardboard and particleboard.
Recommend to read
THE PROPELLER ON THE MACHINE
Manufacturer of air screw requires special precision and accuracy. The proposed device will greatly facilitate your work: processing of the pressure surface of the screw with sufficient...
BUILDING A CHOPPER
I am a regular reader and admirer of "Modeller-designer", In turn, would like to offer the subscribers of the magazine the story of how I built a chopper. Amateur "copperstone"...