Beefy High Concentricity Straight Collet Chuck Holder ER11, 1-7mm Clamping Range, Grounding Inner Hole, 40Cr Tool Holder for Engraving Machines, Pro Grade Machining, Carburizing Ready, Vibration Suppression, Rock Solid
✔️ Grounded inner hole, 40Cr steel, vibration suppression, durable
This is a high-precision collet chuck holder for ER11 tooling used on engraving machines and CNC mills. Made from 40Cr steel with carburizing treatment, it minimizes vibration, maintains high concentricity, and offers longer tool life than standard tool holders.
✅ 40Cr material dampens vibration for stable processing
✅ High concentricity with integrally formed inner/outer body
✅ Inner hole ground for longer tool life and accuracy
✅ 1-7mm clamping range for small cutters
✅ Carburized and quenched for higher hardness and fatigue resistance
✅ Head diameter approx 16mm; adapter ER11; handle diameter ~10mm
✅ Package includes 1 x Collet Chuck Holder and 1 x Wrench
💡 What is a high concentricity ER11 collet chuck holder used for in engraving and machining?
It keeps tooling centered and reduces runout, boosting precision and tool life.
- high concentricity improves engraving and milling accuracy- 1-7mm clamping range covers common small cutters
- carburized 40Cr steel provides durability and fatigue resistance
- grounded inner hole minimizes vibration under load✝️