Coolnut Manual Self-Centering Lathe Chuck — 3 Jaws / 4 Jaws (Zinc Alloy)

Constructed from zinc alloy, this Coolnut lathe chuck has a finely ground surface and smooth external edges for durable, safe handling. It provides simultaneous clamping from all directions and offers large clamping capacity suitable for a variety of industrial workpieces. The chuck accepts both internal and external jaws and is offered in 3-jaw or 4-jaw configurations. Jaws are adjusted with a chuck key for faster setup and reduced prep time. With a tolerance of ≤0.002 inch and minimal vibrations, this manual self-centering chuck delivers precise, reliable performance for lathe machines and related machinery.