Chuck, 4-inch wood lathe (100 mm) with M33x3.5 threads and 1" x8TPI and M18x2.5, is a self-centering metal adapter with four jaws, and it is a lathe accessory.

468

854-45%
M33 x 3.5mm
M33 x 3.5mm
M18 x 2.5mm
M18 x 2.5mm
1 inch x 8TPI
1 inch x 8TPI