The Upper Knife Blade #6-90 is a high-quality replacement cutting component designed for Merrow overlock sewing machines. This essential part is responsible for trimming excess fabric during the overlock stitching process, ensuring clean, precise, and professional seam finishing.

The upper knife works in combination with the lower knife to cut fabric edges accurately while the machine simultaneously stitches and finishes the seam. A sharp and properly functioning knife blade is crucial for maintaining consistent cutting performance, preventing fabric fraying, and achieving smooth, even edges in garment production.

Manufactured from durable, high-strength industrial steel, this upper knife blade offers excellent sharpness, wear resistance, and long-lasting performance. It is designed to withstand continuous high-speed operation in demanding environments such as garment factories, textile workshops, and industrial sewing units.

This replacement blade is ideal for maintenance and repair of Merrow overlock machines, helping restore optimal cutting performance and ensuring high-quality stitching results.

Key Features:

• Part Number: #6-90
• Compatible with Merrow overlock sewing machines
• High-quality upper knife cutting blade
• Ensures precise fabric trimming and edge finishing
• Durable industrial-grade steel construction
• Long-lasting sharpness and wear resistance
• Improves stitch and seam quality
• Suitable for high-speed industrial sewing
• Easy installation and replacement
• Essential overlock machine spare part