pneumatic drilling

pneumatic drilling

[nu̇′mad·ik ′dril·iŋ]
(mechanical engineering)
Drilling a hole when using air or gas in lieu of conventional drilling fluid as the circulating medium; an adaptation of rotary drilling.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The company plans to establish small scale mining utilising handheld pneumatic drilling equipment.
Agreements concerning the delivery of a large number of hydraulic and pneumatic drilling rigs and Wagner LHD loading equipment have been signed in Moscow between Atlas Copco, the Atlas Copco company Wagner Mining and Construction Equipment Co.