Omega Products ER40 Collet Coolant Sealed Standard Precision - 10 Micron Run-Out -8mm Face Mill Arbors - Anti-Vibration Its combination of high-quality carbide

Its combination of high-quality carbide hardness and optimized geometry supports predictable results

Material: HSS-E (high-speed steel with cobalt) for enhanced strength

Leak-resistant coolant seal design: Longitudinal slots do not overlap at the center

high-accuracy cuts in tight pockets and complex profiles

0 mm cutting diameters on a 6 mm shank with varying neck lengths lets you reach tight cavities and create precise radii with a clean surface finish

Omega Products ER40 Collet Coolant Sealed Standard Precision - 10 Micron Run-Out -8mm Face Mill Arbors - Anti-Vibration Its combination of high-quality carbideThe Omega ER40 Collet is a standard coolant sealed toolholding solution designed for precision milling and drilling. Its built for engineers, machinists, hobbyists, and workshop professionals who need reliable, repeatable tool clamping with flood coolant. With a clamping range of 326 mm, it offers versatile compatibility for a wide range of round shank tooling while maintaining consistent performance. Note: newer versions have no rubber seal on the