Omega Products BT40 Slim Shrink Fit Chuck - G2.5 - 25,000RPM - 8mm Clamping Diameter - 160mm Gauge Length

Meet the Omega BT40 Slim Shrink Fit Chuck—an exacting toolholding solution built for BT40 spindles where precision and accessibility matter. Its compact, slim profile keeps tooling within reach while delivering rock-solid clamping and rigidity for high-speed turning and milling. Manufactured to BT MAS403 (JIS 6339) standards, this chuck combines strong grip with dependable stability. With a 3-degree taper and Form AD/B, it is balanced to G2.5 at 25,000 RPM for stable, high-speed performance you can trust.

• Slim BT40 shrink-fit design for tight spaces: Its compact profile with an 8 mm clamping diameter and 160 mm gauge length keeps tools closer to the spindle, improving accessibility and reducing setup time in crowded machine layouts.
• Rigid, high-strength clamping for consistent results: Built to BT MAS403 (JIS 6339) standards, it securely holds 8 mm tooling shanks, minimizing runout and chatter for repeatable part quality.
• Precise balance for high-speed performance: Featuring a 3-degree taper and Form AD/B, it is balanced to G2.5 @ 25,000 RPM to ensure stability, reduced vibration, and excellent surface finishes at top speeds.

This BT40 Slim Shrink Fit Chuck helps streamline your workflow with quicker tool changes and reliable grip, delivering consistent results across parts and helping maximize spindle uptime. Its build quality and standard-driven design provide confidence for demanding applications in both production and job-shop environments.