The Omega BT40 ER Collet Chuck is a precision tool holder designed for BT40 spindle systems, built to deliver stable tool clamping and repeatable accuracy for milling and drilling tasks.

• Spindle compatibility: Designed for BT40 spindle systems for quick, secure mounting.
• Collet interface: ER20 collet compatibility to support a wide range of standard tooling.
• Speed range: Operates effectively across 15,000–25,000 RPM for versatile high‑speed machining.
• Precision ratings: G2.5 and G6.3 precision specs provide excellent tool concentricity and minimal runout.
• Gauge length: 100 mm gauge length delivers solid reach with stable seating.
• Form: Form AD interface ensures reliable compatibility with common BT40 attachments.
• Build intent: Engineered to maintain rigidity and consistent performance under demanding milling conditions.

With ER20 compatibility and tight concentricity, this collet chuck minimizes runout, helping you achieve cleaner cuts, smoother finishes, and tighter tolerances across a range of materials. The broad 15,000–25,000 RPM window makes it suitable for both finishing passes on aluminum and tougher materials, while the 100 mm gauge length supports deeper pockets and longer tools without sacrificing stability. Ideal for professional shops and precision-focused setups, it delivers dependable clamping and consistent results every day.