Standard 1" arbor nut for Ammco 2002, 3000, 4000, 4100, 7000, and 7700.
AMMCO 3122 - 1" Arbor Shaft For Brake Lathes w/ Arbor Nut & Spacers
Brake Lathe Double Taper Adapter 5 Piece Set Ammco 9232 1" Arbor
Self Aligning Spacer for Brake Lathe Ammco 9492 1" Arbor Adapter Cone Clutch
Brake Lathe Quick Chuck Adapter / Backing Plate / Key fits Ammco any 1" arbor.