Designed with forged steel body to provide precision gripping, 20 in. self-centering ATSC Scroll Chuck meets demand for larger chucking options. Ajust-Tru™ design, with integral clearance between chuck body and mounting adapter, allows use of adjusting screws for fine-tuning concentricity of chuck to machine tool's spindle, providing ±.0005 in. TIR repeatability. To optimize performance, scroll plate, jaws, and pinions are hardened and ground.
This story is related to the following:Two & Three Jaw Chucks | Scroll Chucks | Lathe Chucks