interrupted screw

noun
: a screw from which sectors have been removed by longitudinal cuts through the threads so that it can be thrust into a reciprocally machined mating part and locked by only a fraction of a turn

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a screw having the thread interrupted in one or more places by longitudinal channels, as in the breech of a cannon or the lead screw of a lathe.

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interrupted screw,
a screw with part of its thread cut away, especially a screw used to form the closure of a breechloading gun, with screw threads removed from alternate sectors.

Useful english dictionary. 2012.

Look at other dictionaries:

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