Omega Products ER40 Collet Coolant Sealed Ultra Precision - 10 Micron Run-Out - 23mm Face Mill Arbors - Anti-Vibration tapered neck design: Reduces chatter

tapered neck design: Reduces chatter and delivers smoother

with multiple neck lengths available for each diameter to reach varying depths and tight cavities

Whether refining corners in cores

and a stable back-draft design helps you maintain tight tolerances while reducing vibration

Omega Products ER40 Collet Coolant Sealed Ultra Precision - 10 Micron Run-Out - 23mm Face Mill Arbors - Anti-Vibration tapered neck design: Reduces chatterThe Omega ER40 Collet with coolant sealed design delivers ultra precise tool holding and high efficiency cooling for CNC milling. Its built for engineers, shop floor machinists, hobbyists, and buyers who need clean chip control, tight tolerances, and reliable performance in demanding operations. To maintain the seal, use only round shank tooling with no clamping flats. Ultra precise run out (<10 m): Delivers consistent cutting accuracy, reducing part