- multiple drill
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a drilling machine having a number of vertical spindles for drilling several holes in a piece simultaneously. Cf. gang drill.
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Universalium. 2010.
multiple drill
Look at other dictionaries:
multiple drill — a drilling machine having a number of vertical spindles for drilling several holes in a piece simultaneously. Cf. gang drill … Useful english dictionary
multiple drill — See multiple unit training assemblies … Military dictionary
Drill bushing — A drill bushing, also known as a jig bushing,[1] is a tool used in metalworking jigs to guide cutting tools, most commonly drill bits. Other tools that are commonly used in a drill bushing include counterbores, countersinks, and reamers. They are … Wikipedia
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Drill Instructor Ribbon — A Drill Instructor Ribbon is a military award of the United States Armed Forces which is issued by the Navy, Air Force and United States Marine Corps. The Drill Instructor Ribbon recognizes those service members who are trained and qualified as… … Wikipedia
drill press — a drilling machine having a single vertical spindle. [1860 65, Amer.] * * * or drilling machine Machine tool for producing holes in hard substances. The drill is held in a rotating spindle and is fed into the workpiece, which is usually clamped… … Universalium
Drill bit (well) — A Drill bit, is a device attached to the end of the drill string that breaks apart, cuts or crushes the rock formations when drilling a wellbore, such as those drilled to extract water, gas, or oil. The drill bit is hollow and has jets to allow… … Wikipedia
drill jig — noun A type of jig that expedites repetitive hole center location on multiple interchangeable parts by acting as a template to guide the twist drill into the precise location of each intended hole center … Wiktionary
