Of tubes of different diameter, tightly placed one on another, you can build a jig for drilling end holes in cylindrical rods of various cross sections. For the outer bushings are better to use a steel tube with a thickness of 0.5 mm, and the inner insert can be bent any sheet metal. V. MARTINTON, Novocheboksarsk
Recommend to read
CASTLE FOR FUN
Berths for motor boats usually build boxes, cabinets for storage engines. But in fact no one motorboat will not go sailing without oars. And where to store them for return: box-small. I...
AWL INSTEAD OF SCISSORS
You should not use a sharpened knife or scissors for cutting sandpaper. You only blunted their blades. Easier and more effective to cut the sandpaper with an awl or other sharp object on...
