Quick Chuck Adapter / Backing Plate / KeyQuick Chuck (Fits drums and rotors with holes form 2-1/8" to 3-3/4")Standard Backing Plate (5" diameter)Fits the following brake lathe brands:Any 1" arbor lathe including:Ammco- 3000, 3800, 3850, 4000, 4100, 6000, 7000.Hunter- BL20, BL21, BL23, BL30, BL31, BL33FMC - 601, 701, 702, 7600, 7700.Accuturn 1450, 8499, 5223 8922L.Ranger - RL8500.Atlas - TR470Interchangeable Part Numbers:Ammco - 70042, AS70040, 70040Insights:Do you machine a lot of rotors? This is the solution for you. This not only eliminates inventory but saves time and reduces setup errors. This quick chuck adapter is self-centering. Fits drums and rotors with centering holes from 2-1/4 to 3-3/4" for compact cars. With optional accessories, it can fit from 2-1/4 to 5-3/4" including all vehicles up to 1-ton trucks.See the how-to video here.Click here for how to mount the jawsClick here for how to use 7040
