centre punch
1 definition found
centre punch - Collaborative International Dictionary of English v.0.48 :
Center punch \Center punch\, or Centre punch \Centre punch\
(Mech.)
(a) A punch for making indentations or dots in a piece of
work, as for suspension between lathe centers, etc.
(b) A punch for punching holes in sheet metal, having a
small conical center to insure correct locating.
[Webster 1913 Suppl.] Center seal
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