Bernette knife thread cutter for b70/b77/b79

If the automatic line cutter on your bernette sewing machine no longer cuts cleanly over time, it's often due to a dull line cutter blade. This bernette replacement part is the complete, pre-assembled blade unit for the bernette B70, B77, and B79 – including the holder. The major advantage: you're not just replacing the blade, but the entire holder, which is mounted with two screws. The blade remains securely fixed, so you don't have to touch it. This makes replacement easier, more precise, and significantly safer – and the line cutter's cutting accuracy returns to its usual level.

The replacement unit consists of the line cutter in a matching holder and is secured in such a way that the blade does not need to be touched during replacement. Replacing the entire holder simplifies positioning, improves cutting accuracy, and reduces the risk of injury. Designed for the bernette models B70, B77, and B79.

For replacing a dull/blunt thread cutter on the automatic thread trimmer of bernette B70/B77/B79. The pre-assembled unit is replaced as a complete holder with two screws – without direct contact with the blade.

Hersteller: Bernina Nähmaschinen GmbH
Adresse: Ludwig‑Winter‑Straße 3, D‑77767 Appenweier, Deutschland
Kontakt: E‑Mail: contact@bernina.com (laut EU‑Warehouse-Angabe)