Omega Products ER40 Collet Coolant Sealed Standard Precision - 10 Micron Run-Out -5mm Boring Bar Blank while the 80‑tooth configuration delivers

while the 80‑tooth configuration delivers smooth

Flute Count: 3-flute geometry that supports efficient chip evacuation and stable cutting

while the carbide construction delivers durable performance for demanding tooling tasks

helping resist breakage during long reach and aggressive milling in complex profiles

Hard-material capability: Designed to machine high-hardened materials up to HRc70

Omega Products ER40 Collet Coolant Sealed Standard Precision - 10 Micron Run-Out -5mm Boring Bar Blank while the 80‑tooth configuration deliversOmega ER40 Collet is a standard precision, coolant sealed toolholder designed for ER40 milling and drilling setups. It delivers sub 10 micron run out to ensure repeatable accuracy and consistent tool location across a range of cutters. With a clamping range of 326 mm, its a versatile choice for shops and hobbyists who value clean coolant control and dependable grip on their tooling. Note: Newer versions have no rubber seal on the nose. To maintain the