If in the manufacture of furniture or other structures needed to drill a large number of holes of the same strictly defined depth — make for drill shown in figure limiter. This may be the right size wood “the block a little”. So he not slipped on the tool during operation, run in this hole of a smaller diameter and slide on the working drill.
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I offer a sketch of the room sports equipment for children 5-8 years: "double" the horizontal bar or uneven parallel bars. The main advantage of the simulator is that it can be... - DRILL-MACHINE
This compact machine on the basis of drills is intended for wood and plastics. It allows you to cut bruski, boards, plywood, plexiglass and the PCB, cut the slats and shaped plank,...