ASME B5.50 pdf download 7/24 Taper Tool to Spindle Connection for Automatic Tool Change 1 GENERAL 1,1 Scope This Standard pertains to the standardization of basictoolholder shank retention knob and socket assembliesfor numerically controlled machining centers with auto-matic tool changers.The requirements contained hereinare intended to provide toolholder interchangeabilitybetween machining centers with automatic tool changers of various types. This Standard is...