Depth collars for drills

The drilling depth limit is intended for fastening on winding drills to obtain a hole with the desired depth. It eliminates the risk of making the hole too deep or too shallow, when processing wood, metal or other materials. The limiter is brought from the steel rod, has a hole with the diameter of the drill with which it works and the pressure screw blocking the limiter ring on the drill. Mounted on winding drills to obtain a hole with the desired depth. We put on the limiter ring on a drill at a height equal to the depth of the drilled hole and drill without the risk of error. The set includes limiters for drills with diameters of 6, 8, 10 mm and the key for their effective blocking.