The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose

by Thomas Walter Barber

[650]. Screwed end and nut, the hole in wheel being square, or round and fitted with key.

[651]. Gib head taper key.

[652]. Plain taper key.

[653]. Taper round pin.

[654], [655]. Split pins (round).

[656]. Cotter and split pin.

[657]. Cotter and nut.

[658]. Dovetail taper key, or fixing for projection, cutter or bracket.

[659]. Self-locking pin; cannot work out.

[660]. Split collar and ring fastening, sometimes used instead of a nut and screwed end; the inner ring is in halves.