COUNTERSINK • DICCIONARIO INGLES.COM • Definition of Countersink

Add this Dictionary
to your website!
See more options...

Listen

Countersink

noun

A hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface.

A bit for enlarging the upper part of a hole. Synonyms: counterbore, countersink bit.

See images of 'Countersink'

Etymology of 'Countersink'

Share |

"Countersink" Quotes from Famous Books

... they may be driven up by degrees with a heavy hammer, whereby any distortion of the holes from unequal driving will be prevented. Finally, the ends of the tubes should be riveted up so as to fill the countersink; the tubes should be left a little longer than the distance between the outer surfaces of the tube plates, so that the countersink at the ends may be filled by staving up the end of the tube rather than by riveting it over; and the staving will be best accomplished by means of a mandril with a ...

— A Catechism of the Steam Engine • John Bourne

... various dealers, but can be made from steel wire softened in the fire and filed to a sharp three-cornered point—afterwards tempered to hardness—for the smaller eggs, or filed up for the larger eggs to the pattern of a "countersink" used for wood; indeed, the smallest-sized "countersink" made—to be procured at any ironmonger's—will do very well for eggs the size of a hen's. Capital egg-drills are to be made from "pinion wire" used by watchmakers. Simply file to a point, and "relieve" with a small ...

— Practical Taxidermy • Montagu Browne

Words linked to "Countersink" : hole, set, bury, bit, sink