ER Collet System
ER Collet Chuck Specifications
- Constructed of alloy steel for long, durable service life.
- Hardened to RC 52-56 to avoid damaging collet chuck threads. *
- Collet seat taper T.I.R. ≤.000”.
- Accepts DIN 6499-B collets.
- Through-spindle coolant capability.
- Parsymmetry™ design for high-speed operation.
- Flange-entry coolant is the same as DIN Form B. Other sizes available on request.
HSK Collet Chucks are through-hardened to RC 48-52.
High Precision Grade Collects
Available for ER16 and ER32. (Image A)
Standard Grade Collets
(Image B)
| Type | L | D |
|---|---|---|
| ER11 | 708 | .452 |
| ER16 | 1.082 | .669 |
| ER20 | 1.240 | .827 |
| ER25 | 1.338 | 1.023 |
| ER32 | 1.574 | 1.300 |
| ER40 | 1.811 | 1.614 |
