
The Jack JK-T1790BK is a high-speed electronic buttonhole machine designed for industrial garment production. Features automatic thread trimming, bartacking, and programmable stitch patterns for consistent buttonhole quality.
| Stitch Patterns | 27 Built-in Stitches |
| Stitch Functions | 63 Stitch Functions |
| Buttonhole | 1-Step Auto-Size |
| Lighting | Bright LED Work Area |
| Threading | Automatic Needle Threader |
| Bobbin | Jam-Resistant Quick-Set Drop-in Top Bobbin |
| Dimensions | 15.3" x 5.86" x 12.01" |
| Weight | 12.6 lbs |
| Maximum Sewing Speed | 800 stitches per minute |
| Power Source | Corded Electric |
| Needle System | Standard Home Sewing Needles (130/705H) |