Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 80mm

The Bison 3204 series rear-mount, 3-jaw cast iron scroll chuck delivers secure, centered workholding for metal turning. With a compact 80 mm size, it’s well suited for a wide range of lathes and projects, from precision parts to hobbyist fabrications.

Built for durability, this chuck features ground working surfaces for repeatable grip and smooth operation. It ships with a wrench and jaw options tailored for versatile parts, including reversible hard jaws and outside hard jaws, so you can quickly switch setups without changing tools.

• Rear‑mount design for quick tooling: enables reliable mounting on compatible lathes with precise alignment, reducing setup time and improving uptime.
• Ground working surfaces for repeatable grip: machined, smooth contact faces ensure accurate and repeatable clamping for consistent runout control.
• Comprehensive jaw kits with wrench: includes reversible hard jaws and outside hard jaws plus a wrench, giving you the right grip for a range of part shapes without buying extras.

With solid cast iron construction and precision-ground surfaces, this 3‑jaw scroll chuck delivers dependable clamping force, long service life, and consistent results across jobs. The 80 mm size provides a versatile window for holding common small to medium workpieces, while the open jaw design makes part loading straightforward. When you need quick chuck changes, predictable gripping, and durable performance, this Bison chuck helps your workflow stay on track, reducing setup time and improving part quality.