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
UNDER A PYRAMIDAL SAILS
The proposed microart class DX-02 is built using the experience of Czech and American athletes, as well as materials of the journal "modelist-Konstruktor" about sailing armed with a...
DE HAVILLAN DH.82 “TIGER MOTH”
Developing the concept of training plane DH.60, John. De Havilland has created a new aircraft of the same class - DH.60T. He was distinguished by a reinforced airframe, a modified...
