collet
Collet for maximum precision in workpiece and tool clamping
Collet chucks are proven clamping tools when precision, roundness accuracy, and short setup times are essential. Whether as part of tool holders, workpiece holders, or custom solutions – Ortlieb provides high-quality collet chucks for manual and automatic applications. In doing so, we combine decades of experience with modern manufacturing processes.
More about alternative clamping tools can be found in our chucks.
What is a collet?
A collet is a precise clamping device used for the secure fixation of tools or workpieces. Its slotted, conical shape enables an even distribution of force onto the part being clamped, ensuring high roundness accuracy.
Collets are used in both tool clamping and workpiece clamping. They are particularly suitable for applications where smaller diameters need to be clamped with high precision.
Ortlieb collets are designed for industrial continuous use and provide reliable, repeatable clamping even at high rotational speeds.
Technical Properties of Modern Collets
Modern collets must meet high demands for precision and load-bearing capacity. Important features include:
High runout and repeat accuracy
Uniform force distribution on the workpiece or tool
Minimal deformation under high clamping forces
Durability with frequent changes
Compatibility with appropriate collet chucks or drill holders
Through precise manufacturing and high-quality materials, Ortlieb collets ensure stable clamping conditions even under demanding production conditions.
Collet Comparison to Other Clamping Tools
Compared to clamping heads or power chucks, the collet offers specific advantages:
Especially suitable for smaller diameters
High precision in a compact design
Quick and easy changeover
Cost-effective solution for series production
While power chucks allow for high clamping forces with larger workpieces, the collet is ideal for precise applications with defined diameters.
Technical characteristics of Ortlieb clamping tools
High roundness accuracy (≤ 0.01 mm possible)
Long lifespan through hardened clamping strips
Suitable for workpieces and tools
Compatible with automated clamping systems, for example, in combination with a clamping head.
Available in various diameters and torque ranges
Special designs according to customer specifications
Advantages of our collets
Precise, repeatable voltage
Low noise and vibration
Quick tool changes
Low maintenance under high load
Reduced space requirement – ideal for compact machines
Typical areas of application for collet chucks
CNC milling and turning centers
Test benches for rotationally symmetrical components
Automated workpiece clamping
Special machinery and robotics
Clamping systems with high repeat accuracy
Frequently Asked Questions about Collets
How do collets differ from chuck jaws?
Collets grip through elastic deformation, chuck jaws usually via mechanical grips. Collets provide higher precision in a compact space.
Are there special sizes or geometries available?
Yes – we manufacture custom collets for special requirements upon request.
How is the actuation performed?
Collets are usually actuated by tension rods or clamping nuts – manually or automatically.