Omega Products ER20 Collet Coolant Sealed Standard Precision - 10 Micron Run-Out -6mm RPTECH the end mill combines wear

the end mill combines wear resistance with long tool life

finish-ready surfaces with every pass

making complex pockets and deep cavities practical and efficient

This end mill combines carbide durability with thoughtful geometry to deliver reliable performance across a range of materials and applications

Neck-type ball-nose geometry: Enables deep

Omega Products ER20 Collet Coolant Sealed Standard Precision - 10 Micron Run-Out -6mm RPTECH the end mill combines wearThe Omega ER20 Collet is a coolant sealed, standard precision toolholder designed for round shank tooling on CNC milling centers. It securely grips tooling from 3 mm to 13 mm (with the 6 mm variant featured in the title), delivering tight run out for consistently accurate cuts across milling, drilling, and finishing tasks. Newer versions have no nose rubber seal, and the collet uses a precise slot arrangement where the longitudinal slots do not