machine drill

machine drill

[mə′shēn ‚dril]
(mechanical engineering)
Any mechanically driven diamond, rotary, or percussive drill.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Reduced overdrilling means your machine drill bits and hammers won't wear out as fast.
Systematic operates in a highly specialised niche market, manufacturing complex multihead spindle machine drill heads used in the production of engine components for leading automotive companies such as Ford, Rover and Chrysler.
The new Pillar, HPLD-Eclips machine drills and inserts the following Lockdowel Eclips products:
The machine drills holes from 102 mm to 127 mm in diameter and incorporates the state-of-the-art HC-150R hydraulic drifter in which a trapezoidal piston delivers maximum impact energy to the rock.
The machine drills and dowels in one step; the glue measuring adjustment is electronically controlled.
Offering superior performance in both DTH hard rock and rotary soft rock applications, the flexible machine drills holes of 150 to 250 mm (6 to 9.8 in.) in diameter with bit loads of 22,321 kg (49,210 lb.) and 32,655 kg (71,993 lb.), respectively for the 11.2-m (36.7-ft.) and 13.7-m (44.6-ft.) masts.
“Rocky Mountain Twist allows us to offer a larger array of tools including aircraft extension drills, jobber length drills, screw machine drills, silver & deming drills, and threaded shank drills.