twist drill

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Related to twist drills: Forstner bit, Drill bits

twist drill

n.
A drill having deep helical grooves along the shank from the point.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

twist drill

n
(Tools) a drill bit having two helical grooves running from the point along the shank to clear swarf and cuttings
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.twist drill - a bit or drill having deep helical groovestwist drill - a bit or drill having deep helical grooves
bit - the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press; "he looked around for the right size bit"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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In order to prepare the training input data, firstly, the experiments were conducted to grind twenty twist drills with different drill point angles with Biglide parallel machine; the structure is as shown Figure 1 [26].
The twist drills used for most types of drilling were the first adapted to the task.
Now able to cover the 61- to 81- mm diameter range, ISCAR's (www.iscar.com) DR indexable twist drills are optimized for use on all steels, alloys and cast iron.
It stores dozens of special drill point geometries in memory, and sharpens HSS, cobalt, and carbide 2 flute twist drills with diameters from 1/8" to 5/8".
diameter shank to chuck on for durability and mounts on HSS Fast Spiral Twist Drills, which allow faster chip clearance.
introduces a revolutionary concept in twist drills that will increase productivity and not drill price.
Minnesota Twist Drill, established in 1966 and once part of Omark, makes high-speed-steel twist drills for wood and soft-metal applications, marketing them mostly through private branding for commercial and industrial markets and DIYers.
Using common twist drills in a horizontal CNC drill and a 4-station punching machine to accomplish the holemaking tasks, the shop employed flood coolant for the drill and spot lubrication/coolant for the punching operation.