Designed for BT40 spindle systems, the BT40 ER Collet Chuck securely holds ER32 tooling to deliver stable, precise cutting at high speeds. Built for professional machining environments, it offers dependable concentricity and repeatable performance across demanding milling operations.

• Spindle compatibility: BT40-compatible tool holder designed for BT40 milling spindles.
• Collet type: ER32 collet chuck for secure tool clamping and reliable retention.
• Speed range: 15,000–25,000 RPM to cover a wide range of cutting applications.
• Precision ratings: G2.5 precision with G6.3 tolerance indicating excellent concentricity and minimal runout.
• Gauge length: 70 mm gauge length for balanced tool projection and stable performance.
• Mounting form: Form AD/B mounting form compatible with standard BT40 tooling setups.

This collet chuck helps reduce tool runout and vibration, which translates to improved surface finish, more consistent hole dimensions, and longer tool life. The ER32 clamping system ensures repeatable tool seating, so setups and changes stay quick and precise across multiple jobs. Ideal for high-speed milling and precision drilling, it supports reliable performance in aerospace, automotive, and general machining environments where BT40 spindles are standard.