Parlec EROS16MSNW 41 ER16 Spanner Nut Wrench for ER Collet Chuck
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The Parlec EROS16MSNW 41 is a new ER16 spanner-style collet nut wrench designed to tighten and loosen ER16 collet clamping nuts on ER16 toolholders and chucks. The tool features a hardened steel ring head with spanner drive pins that engage the drive notches of ER16 collet nuts, a knurled steel shank, and a molded black polymer grip handle for controlled torque application — consistent with the Parlec EROS series wrench design visible in the photos. The '41' suffix designates the handle length/configuration variant in Parlec's EROS product line. Compatible with all standard ER16 collet nuts per DIN 6499 / ISO 15488, making it suitable for use with Parlec and other manufacturers' ER16 collet chucks used on CNC machining centers, milling machines, and drilling applications.
Product Specifications
| Brand | Parlec |
| MPN | EROS16MSNW 41 |
| Collet System | ER16 |
| Tool Type | Spanner Nut Wrench |
| Compatible Collet Nut | ER16 collet clamping nut |
| Collet Standard | DIN 6499 / ISO 15488 ER16 |
| Drive Style | Spanner pin ring head |
| Handle Material | Molded polymer (black) |
| Shank Material | Steel, zinc-plated |
| Condition | New |