The Omega BT40 Power Milling Chuck, SC20 model, is designed for demanding milling tasks where precision and reliability matter. Built for BT40 tooling, it delivers secure tool clamping and consistent performance for engineers, machinists, tradespeople, and hobbyists alike.

With a top speed of 12,000 RPM and a G6.3 precision rating, this chuck provides precise tool positioning and minimal runout, delivering superior surface finishes and tight part tolerances. The 80mm gauge length offers stability and repeatable seating, helping reduce setup time and improve overall accuracy in high-speed milling applications. Built from robust materials with a sturdy construction, it is ready to withstand the rigors of fast, precision milling.

• 12,000 RPM maximum speed: Enables fast material removal and versatile performance across a wide range of milling tasks while preserving accuracy and control.
• G6.3 precision and minimal runout: Delivers repeatable tool positioning and tight runout tolerance for smoother finishes and accurate part dimensions.
• 80mm gauge length with rugged BT40 housing: Provides stable clamping and enhanced rigidity in high-speed milling, reducing chatter and improving tool life.

This BT40 Power Milling Chuck helps professionals and enthusiasts alike by delivering reliable performance in high-speed milling, reducing downtime due to misalignment, and improving finished surface quality. The combination of 12,000 RPM capability, tight runout control, and a durable, purpose-built design supports faster cycles, greater consistency, and longer-lasting tool life—so you can hit tighter tolerances and produce quality parts with confidence.