To hold piece to another piece, a pin {cotter pin}|, split at end, goes through aligned holes, and then a tool bends ends outward.
Metal fasteners {hasp} can be over staples.
Pins {linchpin}| through axle-outside holes can prevent wheels from sliding off.
Spindles or axles {mandrel} {mandril} can hold metal to machine.
Small cylinders {rivet}, with flange on one side, can go through aligned holes of two metal sheets, and pulling one side and hammering the other holds the sheets together.
Pins {wrist pin}| can join piston and connecting rod.
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Date Modified: 2022.0225