ER Collet: Elastic Tool Clamping with Wide Range and Quick Change

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ER Collet: Elastic Tool Holder with Wide Applications

A type of tool holder with an elastic collet structure, clamping tools by tightening nuts. It has a wide clamping range, quick tool change, and common specifications like ER11/ER16/ER20, suitable for holding small-diameter milling cutters and drills with ±0.01mm precision, widely used in small-to-medium CNC machining centers.
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Advantages of the product

Rapid Tool Changes

Nut-tightening mechanism allows tool swaps in <15 seconds, reducing setup times in high-mix production. Compatible with automatic tool changers (ATC) for lights-out manufacturing.

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A single 5C collet set is a clamping tool that is capable of holding round workpieces or tools in lathes and grinders. Their construction features a 1:20 taper and split design that enables elasticity for enhanced clamping along with a hardened resisting surface. With a diameter of 0.5 to 32 mm, these components are ideal for Swiss machining with the added benefit of achieving repeatability within .001 mm making them useful for small specialized components such as medical screws and implants.

Frequently Asked Questions

How precise are ER collets for tool clamping?

Elastic design ensures runout ≤0.01mm, with premium grades achieving ≤0.005mm, critical for high-precision tasks like medical device machining and optical lens profiling.

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Customer Reviews

Rhys

Balanced to G2.5 at 40,000rpm, the ER32 collet minimized vibration in carbon fiber machining, preventing delamination. Its anti-corrosion Ni-P coating lasted 100,000+ clamping cycles.

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Wear-Resistant Construction

Wear-Resistant Construction

Made from spring steel (48-52HRC) with anti-corrosion coatings (Ni-P), they withstand repeated clamping cycles (≥100,000 times) in harsh workshop environments.
Industry Standard Compatibility

Industry Standard Compatibility

Fits BT, HSK, and CAT spindle interfaces, widely used in Asian and European machining centers. Meets ISO 26623 standards for collet performance and reliability.
Versatile Application Scenarios

Versatile Application Scenarios

Used in mold making for fine details, electronics for micro-components, and automotive for gear machining. Supports both roughing and finishing operations with quick tool changes.