Bernina Thread Cutter Blade

5VIOS, 7 Series.

Part# 033428.51.00

Bernina Thread Cutter Blade (5VIOS, 7 Series) #033428.51.00

Description 

Bernina 5 Series and 7 Series sewing machines. A sharp, properly fitted cutter blade helps ensure smooth automatic thread cutting, reduces fraying, and improves stitch finishing. This genuine-fit replacement part is ideal when your machine begins leaving uncut threads or producing inconsistent cuts.

Function

• Cuts upper and lower threads cleanly after each stitch sequence.

• Ensures smooth thread management and prevents tangles or snags.

• Integral part of the machine’s automatic thread cutting mechanism.

Key Features

• Precision-ground edge for clean thread cuts.

• OEM-quality stainless steel for long-lasting sharpness and durability.

• Easy to install—fits directly into the cutter mechanism without modification.

Compatibility

• 5VIOS and 7 Series models, including (but not limited to):

  • B 710, B 720, B 740, B 750 QE, B 770 QE, B 780, B 790, and similar units.

  • Bernina:

    • 5 Series

    • 7 Series

     

Purpose

• reliable automatic thread trimming performance.

• Recommended when cuts become incomplete or thread ends fray after trimming.