Optimum Straight Shank ER Collet Chucks
Product overview
About this machine.
Optimum Maschinen is a respected German company known for manufacturing high-quality machine tools built to strict European standards. Since its founding in 2003, Optimum has become a trusted name in the metalworking industry, offering a wide range of equipment including metal lathes, milling machines, drilling machines, and grinding tools. Designed in Germany and engineered for precision, reliability, and durability, Optimum machines are used across workshops, training centres, and industrial environments throughout Europe and beyond. Their products are developed with a strong emphasis on innovation, safety, and compliance with European CE regulations, ensuring exceptional performance and long service life.
Optimum straight shank ER collet chucks are a versatile and precise tool holding solution, ideal for milling, drilling, and grinding applications. Designed to suit a wide range of machines, these chucks feature a ground straight shank for easy adaptation to toolholders, sleeves, or custom setups. Manufactured to high concentricity standards for minimal runout, they ensure secure, accurate clamping of round tools. Compatible with standard ER collets, they offer excellent gripping power and quick tool changes.
Features
- Precision ground straight shank for easy integration with sleeves or custom toolholders
- Compatible with standard ER collets (ER16, ER20, ER25, ER32, etc.)
- High concentricity (+/- 0.015 mm) for reduced runout and improved machining accuracy
- Hardened and ground body for durability and wear resistance
- Wide clamping range for versatile tool holding
- Ideal for milling, drilling, grinding, and general machining applications
- Smooth surface finish to reduce vibration and enhance tool life
- Available in various shank diameters and lengths to suit different setups
Published data
Specifications
Scroll horizontally to compare models or capacities. Use these to shortlist. We’ll confirm the specification and configuration against the application.| Optimum | ER collet holders | |||
|---|---|---|---|---|
| Shank Type & Diameter | Collet Size | Length | Shank Diameter | Price Excl GST |
| BC20 | -ER16 | -120 | 20mm | $115.00 |
| BC20 | -ER20 | -120 | 20mm | $125.00 |
| BC25 | -ER25 | 25mm | $165.00 | |
| SL25 | -ER32 | -140 | 25mm | $160.00 |
| BC25 | -ER40 | 25mm | $175.00 | |
| BC32 | -ER16 | -150 | 32mm | $150.00 |
| SL32 | -ER32 | -125 | 32mm | $175.00 |
| SL40 | -ER32 | -135 | 40mm | $190.00 |