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ER/ESX Collets

FAHRION provides the largest range of forms and executions of collets DIN 6499/ISO15488 (ER/ESX) for different applications

Precise - FAHRION collets DIN6499/ISO15488 - Form B (ER/ESX) set new standards of concentricity and repeatability, which is 5µm for the types ER11 up to ER40.
These standard collets are as accurate as other suppliers ultra precision collets. The B series is 3 micron accuracy and the HP series is 5 micron accuracy.

Rigid - 12 slot collet are sufficient in order to reach the required collapse to DIN6499/ISO15488 ISO15488.
This is possible because of a special steel produced for us and a particular harmonized heat treatment. Compared to 16 slot collets, our collets have less tendency to distort.

Saving - all edges are not only deburred, but additionally rounded, which is a prerequisite to protect the inner cone of the collet chuck from marks. This process is important to guarantee a consistent repeatable high accuracy.

Increased rigidity and clamping forces, improved grip, higher precision and system concentricity, enhanced resistance to corrosion for ER-B, ER-HP, ER-HP+, ER-D, ER-DD due to super-finished execution

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