1-1/4" RB-8 item 22K - High and Low Speed Cam Drum

View the Acme Gridley 1-1/4" RB-8 illustrated code reference drawing for Group K

This National Acme replacement high and low speed cam drum (clutch drum) part number A-38752 is for Acme Gridley 1-1/4" RB-8 multi spindle screw machines starting with serial number AM-40001.  Please contact us if your screw machine serial number is prior to this number.

For some Acme Gridley screw machine models, this clutch drum is referenced as item number 43-KA or 49-KK.