A video on how we fasten our clock hands to minute and hour hand shafts on larger electric tower clock movements. Essentially keyed with a cross bolts, on even larger clocks we use specialized shaft fastening devices.
[video=youtube_share;4ESrbMWIwcU]http://youtu.be/4ESrbMWIwcU[/video]
[video=youtube_share;4ESrbMWIwcU]http://youtu.be/4ESrbMWIwcU[/video]