Upgrade your CNC machining precision with the ER16 ER50 ER25 ER32 ER40 Chuck – a versatile mini‑flange, four‑axis cartridge collet fixture designed for both milling and lathe tools. Engineered for rapid tool changes and rock‑solid grip, this chuck delivers unparalleled accuracy across a wide range of diameters (45‑80 mm & 100‑125 mm), making it the ideal choice for high‑performance machining environments.
Key Highlights
- Four‑axis design ensures consistent concentricity and reduces run‑out for flawless cuts.
- Mini‑flange construction provides a compact footprint without compromising strength.
- Interchangeable ER collet sizes (ER16, ER25, ER32, ER40, ER50) cover a broad tool range.
- Dual clamping range: 45‑80 mm for small‑diameter tools and 100‑125 mm for larger applications.
- High‑grade hardened steel body resists wear and maintains precision over time.
- Quick‑release lever enables tool changes in seconds, boosting productivity.
Compatibility & Applications
Designed to fit most CNC milling machines and precision lathes, this chuck is perfect for:
- Machining aluminum, brass, steel, and composite materials.
- High‑speed drilling, milling, and turning operations.
- Prototyping, small‑batch production, and full‑scale manufacturing.
Technical Specifications
- Material: High‑strength hardened steel (HRC 58‑62)
- Collet sizes: ER16, ER25, ER32, ER40, ER50
- Clamping range: 45‑80 mm / 100‑125 mm
- Overall length: 120 mm
- Weight: 1.2 kg
- Thread type: ISO 30 mm (M30) for secure mounting
Benefits of Choosing This Chuck
- Precision Grip: Four‑axis alignment minimizes tool deflection for tighter tolerances.
- Versatility: One chuck, multiple ER sizes – reduce inventory and simplify tool management.
- Durability: Hardened steel construction withstands high‑speed operations and heavy loads.
- Ease of Use: Quick‑release mechanism cuts down changeover time, keeping your production line moving.
- Compact Design: Mini flange reduces machine footprint, ideal for space‑constrained workstations.
Why It’s the Perfect Fit for Your CNC Shop
When precision, reliability, and efficiency matter, the ER16 ER50 ER25 ER32 ER40 Chuck delivers unmatched performance. Whether you’re upgrading an existing CNC mill or outfitting a new lathe, this cartridge collet fixture ensures consistent results, lower downtime, and a smoother workflow—helping you stay ahead in today’s competitive manufacturing landscape.
Price: Original price was: $ 39.15.$ 17.32Current price is: $ 17.32.

