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Brother Lower Knife Blade – Part #X77683-001

Lower Knife Blade – Part #X77683-001

The X77683-001 is a genuine lower knife blade designed for use in a variety of Brother and Husqvarna Viking serger machines. This blade trims fabric edges as you sew, producing clean, professional-quality seams. Over time, the lower knife can become dull or nicked, which can lead to fraying or uneven cuts. Replacing the knife helps maintain optimal cutting performance and stitch quality.

Features:

  • Genuine replacement lower blade for serger machines

  • Provides clean and accurate trimming during overlock stitching

  • Made from durable, high-quality steel

  • Simple to install and essential for consistent seam results

Compatible with the following Brother models:

  • 1034D

  • 1034DAV

  • 1134D

  • 1134DW

  • 2034D

  • 925D

  • 929D

  • 935D

  • DZ123

  • DZ1234 (Designio Series)

  • PL1500

  • PL2000

Compatible with the following Husqvarna Viking models:

  • 660CD

  • 680CD

This lower knife blade is ideal for replacing a worn or damaged blade, ensuring your serger continues to perform with clean cuts and smooth finishes on every project.