Omega Products BT40 Slim Shrink Fit Chuck - G2.5 - 25,000RPM - 20mm Clamping Diameter - 160mm Gauge Length Outer Cartridge The robust geometry and coating

The robust geometry and coating support reliable performance on pre-hardened and carbon steels

Whether you’re tackling deep milling tasks in a shop environment or precision profiling in a dedicated workshop

hand-operated threading tool designed to chase and repair external NPT threads

It’s a reliable choice for engineers and craftsmen who value consistency

Left-hand spiral flute with right-hand cutting: Efficient chip evacuation and smooth hole finishing for consistent results

Omega Products BT40 Slim Shrink Fit Chuck - G2.5 - 25,000RPM - 20mm Clamping Diameter - 160mm Gauge Length Outer Cartridge The robust geometry and coatingThe Omega BT40 Slim Shrink Fit Chuck is a compact, high precision toolholder designed for tightaccess milling and demanding highspeed machining. Its ideal for engineers, machinists, and workshop environments that need repeatable clamping and quick, reliable tool changes in limited space. Manufactured to BT MAS403 (JIS 6339) standards, this chuck features a 3degree taper and Form AD B for optimal balance and rigidity. Its balanced to G2. 5 at 25,000