This is the correct drum cutting bar, holder, and cutter for Ammco 3000, 3850, and 4000 brake lathes.
Ammco Boring Bar, Upper & Lower Clamp and Bit Holder for 4000 Brake Lathe
New Van Norman Boring Bar Blind Hole Cutter / Bit Holder for Model 944 905 900
Boring Bar Upper Clamp for AMMCO Brake Lathe Machines, 903017, 3017, 40004
Ammco boring bar and clamp assembly, And Belt
Tool Bit Holder for Carbide Inserts, AMMCO # 9872, 909872
Tool Bit Holder for Carbide Inserts, Drum Machining Lathe, Ammco # 5392, 905392
