Lathe chuck adapter; Allows plain (flat) back lathe chucks to fit to lathes with D1-5 Camlock spindles Semi-finished; Requires additional machining of registration boss and mounting holes to mount to lathe chuck; Can be modified specifically for your lathe and chuck in order to minimize runout Constructed from Cast Iron Diameter: 6.299"; Thickness: 1"

Lathe Chuck Backing Plate