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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...make a surface gauge. In the block of hard wood drilled a hole in which is screwed into the screw. Use a screwdriver to set the distance required for the application of risks. ...