Bison Steel Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 315mm

The Bison 3504 series rear-mount, 3-jaw steel scroll chuck is a robust, high-precision workholding solution designed for professional workshops. With a 315mm diameter, it’s ideal for securing larger parts on lathes or milling setups where quick, centered gripping matters.

This chuck features a balanced scroll plate and hardened, ground working surfaces to ensure long tool life and dependable performance in daily machining. It’s supplied with a wrench and jaw configurations to cover common needs: one set of reversible hard jaws and one set of outside hard jaws. All Bison scroll chucks are 100% manufactured in the Bison Bial factory in Poland, a testament to consistent quality and reliability.

• Balanced scroll plate for precise clamping: Reduces runout and delivers smoother operation for concentric, repeatable grips on large-diameter workpieces.
• Hardened and ground working surfaces: Built to last, resisting wear and maintaining accuracy through extensive use and multiple cycles.
• Ready-to-use with dual jaw sets and wrench: Quick setup and versatile gripping options right out of the box, lowering downtime and increasing productivity.

In everyday production, secure, repeatable clamping is essential for quality finishes and efficient workflows. This chuck provides reliable, consistent performance from setup to repeat runs, helping you achieve better finishes, faster changeovers, and reduced rework—backed by Bison’s Polish manufacturing legacy.