This is the correct drum cutting bar, holder, and cutter for Ammco 3000, 3850, and 4000 brake lathes.
Ammco Drum Boring Bar Upper Lower Clamp for 4000 Brake Lathe
Ammco Boring Bar and clamps assembly 3000 4000
Ammco 3000 4000 Brake Lathe Upper Drum Bar Clamp Boring Bar 903017 BB3017 3017
Ammco Brake Lathe Upper Boring Bar Clamp 3000, 4000, 4100, 7100 3017
Ammco 5843 Boring Bar, 3107 Upper & 20666 Lower Clamp for 4000 Brake Lathe
Boring Bar 5843, Upper & Lower Clamps w/ Stud & Nut Kit (Ammco Brake Lathes) GWR
