Explore the JUKI MO-644D Overlock Serger Machine machine by Juki. View features, & specifications at EmbroideryDesigns.com and upgrade your embroidery projects.

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JUKI is one of the leading industrial machine manufacturers and ranks as the no.1 sewing machine manufacturer in the world. It also produces sewing machines for the home or hobbyist market and surface mount component placement machines for electronics manufacturing.
With the MO-600 series of home sergers, a beginner or experienced sewer can create simple sportswear or elegant evening wear with unbelievable ease. Expand your range of design and technique with the easy to operate, durable and dependable MO-644D. The MO-644D, 2-needle, 2/3/4 thread overlock machine featuring built-in rolled hemming and differential feed, and more at an affordable price.
This versatile MO644D can handle the latest threads and materials, giving you many creative options for your projects. With its differential feed system and a presser foot that can be adjusted, the fact that the stitch quality of this machine is far above average is something to consider.
This affordable overlocker comes with color-coded threading to help thread the serger, a one-rotation tension adjustment, an upper and lower knife for better cutting, an automatic rolled hem setting, a presser foot with multiple functions to add tape, ribbon, elastic, and even sequins, an included seam guide for easy hemming, and bright LED lights to make it easier to see your project.
There are optional presser feet you can purchase that will allow you to enhance your sewing experience. You can get blind stitch, elasticator, cording, beading, gathering, piping, curved pearl, and universal blind stitch presser feet.
Main Features
- Color-Coded Threading Guides
Threading the MO-644D is a breeze. With color-coded and clearly marked thread paths. - Easy Tension Adjustment
1-Rotation Thread Tension Dials with normal tensions highlighted for simple, consistent tension adjustment. Specially designed guides keep thread in place and ensure proper sewing tension at any speed. - Multi-Function Presser Foot
The multipurpose presser foot, standard on the MO-644D, allows you to create overlock stitches and add tape, elastic, ribbon, or sequins to your creations. Snap-on presser feet mean that you can easily change from the multi-purpose foot to one of the Juki Specialty feet and expand the creative potential of the MO-644D. - Heavy Duty Knife System
The knife system on the MO-644D operates with a dedicated drive to assure consistent and easy cutting for both light and heavy weight fabrics. - Surging Precision
The built-in seam guide takes the guesswork out of seam allowances. Just use the conveniently located gauge on the guard cover and serge away, creating accurate seam allowances as you go. - Bright Lights - Better View:
Lighting on the MO-644D provides optimum lighting to the fabric and needle areas. - Easy Cutting Width Adjustment
The lower knife cutting width easily and quickly adjusts with the turn of the dial allowing you to create perfect seams and rolled edges. - Differential Feed Adjustment
Keep things moving along evenly, or create fashion techniques, like lettuce edges, with the easy to use differential feed dial located on the exterior right hand side. - Easy Stitch Length Adjustments
Change the stitch length for specialty thread or overlock techniques using the conveniently located dial. - Flip and Roll
Automatic rolled hemming can be created quickly and easily with a flip of a switch. No need to change the needle plate or foot - Just Flip and Roll
Basic Features
- Sewing Speed: Max. 1500 spm
- Needles: Household #11-14
- Max. Stitch Length: 4mm
- Presser Foot Lift
Accessories
- Standard Presser Foot (Part no. A15016340B0)
- Screwdriver
- Spool caps
- Oiler
- Thread nets
- Vinyl cover
- Needle pack
- Tweezer
- Brush and Needle inserter
- Looper threader
- Accessory pouch
- Light bulb
- Instruction manual
- Foot control
- Power cord
Dimensions
Dimensions: 10.6”(W) x 13.5”(H) x 11.5”(D)
Machine Weight: 15lbs
- Sold and Shipping by World Weidner
- Shipping Limitation
We currently only ship machines within the US.
- Shipping Policies
WE REQUIRE A SIGNATURE AT DELIVERY ON ALL SHIPMENTS OF SEWING MACHINES, SERGERS, EMBROIDERY MACHINES AND HIGHER END PRODUCTS WE SELL. If this is an issue for you please contact us prior to ordering. We are happy to work with you on this
- Returns & Repairs
We want to make purchasing on the Internet as easy and comfortable as possible. 100% customer satisfaction is our goal for all our customers. On rare occasions and despite our best efforts, an item might turn out to be defective. In the very unlikely event you receive a defective product we ask you to remember that we do not manufacture these products, we simply market them in the U.S. for the manufacturers and factories. With that in mind, we will do whatever it takes to help you achieve your satisfaction.
- Exchanges
We gladly accept exchanges on any item within 30 days of purchase date. Simply ship the item back to us fully insured. Exchanges are made minus the actual shipping it cost to get the item to you. Please call us first for a return authorization number before sending an item back to us.
If for some reason your purchase does not meet your expectations you can return it for an exchange or refund. Simply call for a Return Authorization Number or email us at [email protected] and we will give you proper instructions on how to return the product. We CANNOT accept returns without a Return Authorization Number, so be sure to call or email us first.
Shipping is non-refundable, and items purchased originally with Free Shipping will have standard ground shipping fees deducted from the refund.
- Returns are subject to the following:
- Shipping costs on the original purchase are non-refundable. Items that were originally returned with Free Shipping will have the standard ground shipping fees deducted from the refund.
- Products must be repacked according to factory standards and without excess wear.
- Unopened merchandise may be refunded or exchanged. An item that is unopened means it has never been removed from the packaging and the factory seal is intact.
- Any item that is not returned in its original packaging and intact will not be qualified for a refund.
- Household items are not to be used for commercial applications. This voids any factory warranty and is not covered under our 30 day return policy.
- Shipping costs are not covered under any factory warranty and are to be paid by the customer. We are happy for you to pay at our shipping discounts and will gladly tell you these costs on the phone or by email.
- Items that are damaged upon receipt can be replaced. Please do contact us before sending the item back. We fully insure all items in the event this should happen.
- Items being shipped to Hawaii and Puerto Rico are not eligible for returns.
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