This simple device will help with the help of ordinary hand drills to cut holes of any diameter in the plywood, hardboard and particleboard.
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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...
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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"...
