Fine meshed cloth used to line sieves for grading flour or meal.

A belemnite.

A bolt with a thread on each end, screwed into a fixed part at one end, receiving a nut upon the other.

A bolt having a shackle on the end. / (heraldry) A bearing representing a fetlock for hobbling a horse.

(nautical) An eyebolt to which to hook the throat halyards.

(railways) A strong bolt passing through the drawbar of railway carriages, and serving to fasten the coupling.

Alternative form of elf-bolt

A machine screw with a cylindrical unthreaded shoulder to allow for parts to rotate freely on the screw.

Synonym of carriage bolt.

Synonym of bolt cutter