This chuck is 80mm outside diameter, 55mm inner registration diameter on back, and there are 3 M6x1.0 threaded holes on a 66mm diameter bolt circle. Made to mount directly on a 7x10, 12, or 14 inch mini lathe. It is very nicely machined. The ER-32 nut threads on buttery smooth.

This chuck is 80mm outside diameter, 55mm inner registration diameter on back, and there are 3 M6x1.0 threaded holes on a 66mm diameter bolt circle. Made to mount directly on a 7x10, 12, or 14 inch mini lathe. It is very nicely machined. The ER-32 nut threads on buttery smooth.

This chuck is 80mm outside diameter, 55mm inner registration diameter on back, and there are 3 M6x1.0 threaded holes on a 66mm diameter bolt circle. Made to mount directly on a 7x10, 12, or 14 inch mini lathe. It is very nicely machined. The ER-32 nut threads on buttery smooth.

Thank you, I arrived early I attached it to SIEG C2 The mounting part is a little tight

Thank you, I arrived early I attached it to SIEG C2 The mounting part is a little tight

Thank you, I arrived early I attached it to SIEG C2 The mounting part is a little tight