Before You Buy
The Janome MyLock 634D is a versatile 2, 3, or 4-thread serger built for professional-looking seam finishing, stretch fabrics, rolled hems, and everyday garment construction.
Chat is temporarily unavailable. Please call 800-487-7397 for help with this product.
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Janome MyLock 634D Serger
The Janome MyLock 634D is a versatile 2, 3, or 4-thread serger built for professional-looking seam finishing, stretch fabrics, rolled hems, and everyday garment construction.
Key Features
- 2, 3, or 4-thread serging
- Color-coded thread guides
- Quick-change rolled hem
- Differential feed
- Retractable upper knife
- Speeds up to 1,300 SPM
Specifications
Differential feed 0.5 to 2.25; stitch length 1 to 5mm; cutting width 3.1 to 7.3mm; manual tension dials; dust cover included.
Why Buy from Sewing Machine Outlet?
Purchase from an authorized Janome dealer with expert product guidance, financing options, trade-in assistance, and support after the sale.
Warranty and Support
Janome warranty coverage applies according to Janome America terms for qualifying purchases from authorized dealers. Contact Sewing Machine Outlet for current warranty details and buying assistance.
Compatible Accessories
Explore compatible feet and accessories for your machine. These are optional purchases; check What’s Included before ordering a replacement. Links select the matching part where multiple versions are available.
Janome Overlocker Synthetic Leather Soft Cover — 202576004 — without a handle opening; compare dimensions before ordering.
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- 2, 3, or 4-thread serging
- Color-coded thread guides
- Quick-change rolled hem
- Differential feed
- Retractable upper knife
- Speeds up to 1,300 SPM
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What type of machine is this?
Janome MyLock 634D Serger is a serger and overlock machine.
What accessories come with this machine?
Contact us to confirm any specific foot, hoop, table or optional accessory you need before ordering.
Can you help me choose and learn the machine?
Contact Sewing Machine Outlet at 800-487-7397 for buying guidance and support after purchase. Free classes included with in-store purchases only.
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Differential feed 0.5 to 2.25; stitch length 1 to 5mm; cutting width 3.1 to 7.3mm; manual tension dials; dust cover included.
Before You Buy
The Janome MyLock 634D is a versatile 2, 3, or 4-thread serger built for professional-looking seam finishing, stretch fabrics, rolled hems, and everyday garment construction.
Chat is temporarily unavailable. Please call 800-487-7397 for help with this product.

