Nova Insert suit Nova Chucks 1" x 10TPI L/H Thread

Chuck insert reducers fit into the back of the chuck and onto your lathe headstock spindle. We have a range of inserts to fit many lathe models. The inserts are threaded both inside and out. The outside thread is made to fit into the Teknatool chucks. The inside thread comes in a variety of sizes. Which one you need will depend on the spindle size your lathe is fitted with.