Omega Products BT40 Slim Shrink Fit Chuck - G2.5 - 25,000RPM - 20mm Clamping Diameter - 160mm Gauge Length Outer Cartridge Ultra-compact geometry for tight grooves:

Ultra-compact geometry for tight grooves: Designed to access confined features with a minimum diameter of 6

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

technicians and hobbyists who need reliable hole finishing in a variety of materials

Exact UNEF 7/16x28 Go Gauge: Delivers consistent Go-side checks for right-hand 2A threads

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

Omega Products BT40 Slim Shrink Fit Chuck - G2.5 - 25,000RPM - 20mm Clamping Diameter - 160mm Gauge Length Outer Cartridge Ultra-compact geometry for tight grooves:The 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