High-Precision ER11 CNC Collets

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Heat of Summer Sale - 20% Off We’re turning up the savings on select Cyclone Bits products for a limited time. ER11 ColletHigh-Precision Tool Holding for CNC Spindles & ATC Systems OverviewThis high-precision ER11 collet is built for reliable, repeatable tool holding in CNC spindle and ATC applications. Precision-ground and hardened for consistent clamping force and low runout, it helps improve cut quality, tool life, and overall machine performance. Why It Matters Helps reduce tool runout Improves cut quality and tool life Maintains consistent grip at high RPM Supports repeatable tool holding Performance Runout Accuracy: ±0.0002" (±0.005mm) Designed for high-speed spindle use Balanced for stable operation at elevated RPM Compatible Systems ER11 spindle motors Manual tool change setups ATC systems Best Practices Match collet size exactly to the tool shank Clean the collet and nut before installation Replace worn collets as needed Avoid overtightening Specifications Collet Type: ER11 Material: Hardened, precision-ground steel Application: CNC routing, carving, and machining Notes Collets are consumable precision components Collet condition affects cut quality and spindle health Show more