Jianma JM-B/C-771 NBL Bobbin Case – Industrial Sewing Machine Compact Bobbin Case

Jianma JM-B/C-771 NBL Bobbin Case

The Jianma JM-B/C-771 NBL is a compact, precision-engineered bobbin case for industrial sewing machines. The NBL (No-Backlash) construction ensures the bobbin is held without play, delivering consistent lower thread tension for uniform stitching across all fabric weights.

Key Features

• Brand: Jianma – Japan Technology
• Part Number: JM-B/C-771 NBL
• Type: Compact NBL Bobbin Case
• Material: Precision hardened and ground steel
• Compact design compatible with 771-series hook systems
• Suitable for fine to medium weight fabrics

Compatibility

Designed for industrial lockstitch sewing machines using 771-type hook systems. Always verify compatibility with your specific machine model before ordering.