Ann Way ER collet wrenches are purpose‑built hand tools engineered to give machinists safe, controlled tightening and loosening of ER collet nuts and bearing‑style nuts across all common ER sizes. Designed to match slim‑type nuts, standard hex‑type nuts, castle‑type nuts, and bearing‑nut geometries, these wrenches ensure proper torque application without damaging the nut or collet. Manufactured with hardened, wear‑resistant materials and precision‑cut engagement profiles, they deliver reliable grip, reduced slip, and improved operator safety during tool changes. Whether used on ER11 micro‑tooling or larger ER40 setups, Ann Way’s ER wrenches provide the correct fit and leverage for accurate toolholding maintenance in both CNC and manual machining environments.
Er25 Wer25B C Type Wrench To Suit Bearing Nut Cn25-B 43.
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Item is in stock1 in stock
NZ$29.08
Sized for all major ER collet families (ER11, ER16, ER20, ER25, ER32, ER40), ensuring full compatibility with standard and slim‑type nuts.
Dedicated profiles (standard hex, slim‑nut WM‑type, castle‑type, and bearing‑nut “C‑type”) provide the correct engagement for safe, non‑slip tightening.
Hardened, durable steel construction resists wear and deformation, extending tool life in production environments.
Precision‑machined contact surfaces minimise rounding or marking of collet‑nut flats and diameters.
Improved operator safety through controlled leverage and secure fit, reducing the risk of tool‑change injuries.
Essential for maintaining proper clamping torque, which improves toolholding stability, accuracy, and cutter life.
Suitable for CNC mills, manual mills, router systems, and fixture setups, offering broad workshop applicability.
Optimised wrench lengths balance leverage and accessibility, supporting both confined and open‑area tool changes.
Product: ER11 WER11 STANDARD WRENCH TO SUIT CN11 HEX NUT 17MM A/F X 140MM LONG