This handy “pancake” air cylinder has a 12 mm bore and a 10 mm stroke.
M5 Male Fitting to 1/4 in. press-in tube are the perfect size to attach this cylinder to 1/4 in. tubing.
It mounts via through-holes that run the length of the cylinder and are sized for M3 bolts such as am-1578.
Cylinders this small are useful for latches, or button pressers.