AZ8120SD-82 Needle 4 Thread Overlock Machine, model with more tightened needle threads than existing models. AZ8120SD-8 is made for further enhancement of stitch performance.The model is applicable for wide overlock width up to 8mm. 3 different overlock widths (Y5, Y6, Y8) are convertible by exchanging stitch plate and presser foot stitch tongue. Yamato AZ8120SD does not require any adjustment when changing overlock width, but only change of gauge parts required.
| Needle System | DCx27 |
| Number of Needles | 2 |
| Number of Threads | 4 |
| Needle distance (mm) | 2,4 |
| Over-edge seam width (mm) | 5,6,7,8 |
| Stitch length (mm) | 1,0 - 4,0 |
| Feed regulation | Push button |
| Differential ratio | 1:0.6 - 1:3 |
| Differential feed regulation | Lever with micro-adjuster |
| Pressor foot lift (mm) | 6 |
| Needle stroke (mm) | 24,7 |
| Machine speed (sti/min) | 7000 |
| Applications | For Wide Seam Width |