The Omega BT40 ER Collet Chuck is a precision tool holder designed for BT40 spindle systems, delivering secure tool clamping and reliable accuracy for CNC milling, drilling, and finishing tasks. Built for speeds up to 15,000 RPM, it pairs an ER40 collet system with a 150 mm gauge length to support stable, repeatable performance in a variety of setups.

• BT40 spindle compatibility: Designed to mate with standard BT40 spindles for solid tool mounting and dependable operation.
• ER40 collet system: Secure, versatile clamping that accommodates a broad range of cutting tools with consistent grip.
• G6.3 precision rating: Tight concentricity and minimal runout to improve cutting efficiency and surface finish.
• 150 mm gauge length: Extended reach provides stability in longer tool paths while maintaining rigidity.
• Form AD design: Standard nose configuration that ensures accurate seating and compatibility within Omega’s tooling ecosystem.
• Maximum speed: Rated up to 15,000 RPM for a wide spectrum of milling and drilling applications.

With the BT40 ER Collet Chuck, you gain repeatable clamping force and high concentricity that translate into cleaner cuts, longer tool life, and more predictable results across aluminum, steel, and other common workpiece materials. The combination of a 150 mm gauge length and Form AD design enhances setup consistency and rigidity, helping you maintain tight tolerances on demanding jobs and keep production moving smoothly.