The Omega BT40 ER Collet Chuck (Mini Type) is a precise, high-speed toolholding solution designed for BT40 spindle systems. Built for machining professionals who demand reliability and quick setup, it delivers tight concentricity and smooth performance at speeds up to 20,000 RPM.

• Spindle compatibility: BT40 spindle systems for CNC milling and precision machining
• Collet type: Mini-type ER11 collet chuck for secure tool retention
• Speed rating: Up to 20,000 RPM for fast, efficient material removal
• Precision: G2.5 tolerance to minimize runout and maintain consistent cutting accuracy
• Gauge length: 100 mm gauge length for stable reach and balanced cutting
• Form: AD/B form for broad compatibility with standard adapters and holders
• Quick-change capability: ER collet system enables rapid tool changes to reduce downtime
• Construction: Compact, lightweight design that reduces tool overhang and improves balance

This chuck translates into tangible machining benefits: improved surface finish from reduced overhang, reliable tool seating for repeatable hole sizes, and a workflow that stays productive in high-speed environments. The combination of a compact profile, precise G2.5 accuracy, and a robust ER11 mini-type leverages fast tool changes and stable concentricity, making it a dependable choice for BT40 setups needing dependable performance across milling and finishing tasks.