Chuck Adapter, 2-1/4″-8 Thread 6″ Diameter

• Cast iron lathe chuck back plate adapter fits lathes with 2-1/4″-8 spindle nose thread
• Adapter is 6″ (160 mm) in diameter and has no chuck mounting holes
• For all 5″ and 6″ chucks
• Includes instructions for final turning of the registration diameter to ensure concentricity

There are no holes in this lathe chuck adapter so you can drill it for either a 3-jaw or 4-jaw chuck.

*NOTE*These adapters require machining on the lathe on which they will be used.

Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.