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 ?
These compact, economical yet extremely precise hole-drilling systems offer a wide range of fixturing, keyless Albrecht chuck mechanisms, manual quill control and ejector pins through a hollow quill for automatic drill cleaning.
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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