The BT40 ER Collet Chuck is a precision tool holder designed for BT40 spindles, delivering secure tool clamping and dependable performance in CNC milling and precision machining. This model features an ER20 interface, 150 mm gauge length, and Form AD for stable, repeatable tool retention.

• Compatibility: Designed for BT40 spindle systems to ensure reliable integration with standard BT40 machines.
• Collet interface: ER20 ER collet design for secure, quick tool clamping with excellent concentricity.
• Speed capability: Rated up to 20,000 RPM to support high-speed milling and drilling operations.
• Precision ratings: G2.5 and G6.3 precision levels indicate minimal runout and superior tool concentricity.
• Gauge length: 150 mm gauge length provides stable guidance and consistent engagement during cuts.
• Form: Form AD geometry optimized for rigid mounting and repeatable tool retention.

This chuck helps engineers and machinists achieve cleaner finishes, tighter tolerances, and longer tool life by minimizing runout and maintaining stable tool alignment across a range of cutting conditions. Its ER20 interface and precise conformance to BT40 standards make it a dependable choice for demanding milling, drilling, and finishing tasks where repeatability matters.