Description:

The internal thread of the woodworking lathe headstock spindle: 5/8 inch. The external thread of the chuck: 1 inch x 8TPI. Allows a 5/8 inch internal threaded spindle to accept 1 inch x 8 TPI threaded chucks. The spindle adapter of the lathe spindle box is made of steel, which has good stability and durability. Package: 1 x 5/8 inch to a 1 x 8 TPI lathe headstock spindle adapter.