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
BARRIER WHEEL – NOT AN OBSTACLE!
Maybe someone will seem ridiculous the claim that wheel the machine can fly over the fence, but not young technicians from the laboratory of experimental modeling and design Cute...
HYDRAULIC PIPE BENDER
The main element of such a tool is a hydraulic Jack used for lift trucks. The lift is rigidly fixed on a steel baseplate to fit. On the rod of the Jack is put on a mandrel of aluminum...