Lukustuskruvi kasutatakse tavaliselt mutrita (mis eristab seda poldist), kruvides selle keermestatud auku, mis on puuritud ainult ühte kahest kinnitatavast esemest.
A locking screw is normally used without a nut (which distinguishes it from a bolt), being screwed instead in a threaded hole drilled in only one of the two objects to be secured.
