PRODUCTS
MO-644DN
2-Needle, 2/3/4-Thread Overlock Machine with Dial Type Thread Tension Slots
＊2-Thread converter is optional
All the Popular Overlock Stitch Variations
This 4-thread overlock with differential feed and automatic rolled hemming was designed with economy and performance in mind to sew all the popular overlock stitch variations.
4-Thread Overlock
3-Thread Rolled Hem
Differential Feed
is easily controlled and adjusted by a dial located on the exterior, left hand side of the machine.
Materials that stretch easily such as knit fabrics can be finished beautifully using shirring stitch.
Materials that are likely to cause stitch gathering can be finished beautifully using stretching stitch.
Other Features
Foot Pressure
can be adjusted according to the fabric. Adjusting the pressure to lightweight, medium weight or heavy weight fabrics allows you to sew beautifully.
Color-Coded Threading Guides
throughout the machine make threading easy and efficient.
Adjust Stitch Length
by simply turning the knob located inside the machine within the range of 1 to 4 mm.
Lower Knife Adjustment Knob
adjusts the lower knife quickly to change the width of fabric in the seam allowance, for perfect seams and rolled edges.
Heavy-Duty Knife System
operates with a dedicated drive to assure consistent and easy cutting of light to heavy weight fabrics.
Upper Knife Releasing System
removes the upper knife so that threading is made safer and easier.
Automatic Rolled Hemming
can now be created quickly and easily with built-in fingertip control. There is no need to change the foot or plate.
Multi-Purpose Foot
comes equipped with a slotted tape guide, which can be used to sew woven tape, elastic, sequins and ribbon.
Bright LED Lighting
The workspace is brightly illuminated. The long-life, energy-efficient lights will not heat up, even after a long period of use.
タブコンテンツ2（オレンジ線下から）
SPEC / ACCESSORIES
| Dimensions | 270 (W) x 340 (D) x 295 (H) mm |
| Weight | 7.0kg |
| Sewing speed | Max. 1,500spm |
| 4-Thread overlock | ✓ |
| 3-Thread overlock | ✓ |
| 2-Thread overcast | Option |
| Rolled hem | ✓ |
| Narrow overlock | ✓ |
| Frill 3-thread rolled hem with diff. feed | ✓ |
| 3-thread flatlock | ✓ |
| Interlock | - |
| Chain stitch | - |
| 4-Thread cover stitch | - |
| 3-Thread cover stitch | - |
| Number of needles | 1/2 Needles |
| Needle | 130/705H |
| Number of threads | 2/3/4 Threads |
| Differential feed ratio | 0.7-2.0 Ratio |
| Easy threader | - |
| Lower looper threader | - |
| TWA (Tweak Width Adjustment) | - |
| Presser foot pressure adjustment | Stepless adjustment |
| Micro-lifter | - |
| Automatic rolled hemming | Automatic rolled hemming lever |
| Retractable upper knife | ✓ |
| 2-Thread converter | Option |
| Thread cutter | ✓ (on the presser foot shank) |
| Ajusting cutting width | ✓ |
| Safety design | - |
| Light | LED |
| Presser foot lift (1 step/2 steps) | 5mm |
| Stitch length | 1-4mm |
| Stitch width | Left needle： ６mm Right needle： 4mm Rolled hem： 2mm |
| Magnet Needle Tray | - |
| Waste collector | - |
| Knee Lifting Lever | - |
| Operation support | Youtube |
| Accessories | Foot control Nets Spool caps Tweezers Cleaning brush Needles in the needle box Small screwdriver Oiler Accessory bag Dust cover Looper threader Instruction manual |
OPTIONAL PARTS
Blind Stitch Presser Foot
Universal Blind Stitch Presser Foot
Elasticator Presser Foot
Cording Presser Foot
Beading Presser Foot
Curved Beading Presser Foot
Piping Presser Foot
Gathering Presser Foot
Waste Collector
2-Thread converter
タブコンテンツ3（オレンジ線下から）
STITCH PATTERNS
4-Thread Overlock
Uses 2 needles and 4 threads to securely sew together knitted fabrics.
3-Thread Overlock
This basic stitch of overlock machines prevents fabric from fraying.
2-Thread Overcast (option)
Simply sew fabric edges with 2 threads to prevent fraying.
3-Thread Rolled Hem
The fabric edge is rolled, then covered with thread.
3-Thread Narrow Overlock
The fabric edge is rolled, then sewn with very narrow overlocking.
Frill 3-Thread Rolled Hem With Diff. Feed
Uses 3-thread rolled hemming and the differential feed on stretch fabrics to create richly designed articles.
3-Thread Flatlock
Use this stitch as an accent on clothes, interior items and accessories.