Compatible with industrial buttonhole machines (any brand) — Juki LBH/MEB, Brother, Durkopp, Reece and equivalents.
The KNIFE (Part 40219010) is a genuine JACK original replacement part designed for JACK JK-T781-FJ01 KNIFE 5/8″, JK-T781 and 1790 serie series button sewing machines. Manufactured to OEM specifications for precise fit and reliable performance.
Equivalent Part Numbers
JACK: 40219010, N9-D
Compatible Machines
This part fits the following industrial sewing machine models:
Looking for a replacement knife for your JACK JK-T781-FJ01 KNIFE 5/8″ or JK-T781 button sewing machine? This genuine OEM part ensures reliable performance and precise fit. Shop with confidence — all parts ship from Miami, FL.
⚠️ Compatibility Notice: Always verify your machine model and subclass number before ordering. Part numbers and compatibility are provided as a reference only. Supra Sewing is not responsible for purchases made without confirming compatibility with your specific machine. All sales on replacement parts are final.
