automatic drill
automatic drill
[¦ȯd·ə¦mad·ik ′dril] (design engineering)
A straight brace for bits whose shank comprises a coarse-pitch screw sliding in a threaded tube with a handle at the end; the device is operated by pushing the handle.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
Each includes control console, operator platform and
automatic drill rod breakout system.
An option is to use a normal hydraulic drill hammer with an
automatic drill steel handling system.
The new Spot D Tek IV features include an
automatic drill head compass (yaw) that speeds drilling by eliminating the need for out-front locate points by showing the operator the drill head path in degrees from his target line.
Levings says exclusive Ditch Witch features include a mechanical rock-boring system and
automatic drill pipe lubrication.
* Easy and efficient
automatic drill pipe handling,
As an American photo-journalist tried to interview Frazer, he claims workmen at a nearby building site started using
automatic drills to drown out the interview.
The Vitap line of semi-automatic and
automatic drills from Atlantic Machinery Corp.
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