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Janome MyLock 634D

Only $22.55/mo. Learn more!
SKU: ML 634D
Family: Sergers
Manufacturer: Janome


The Janome MyLock 634D with electronic control is the most advanced MyLock serger. It has 2 needles and 2, 3 or 4 thread overlock stitching. The differential feed ratio, which is adjustable from .05 to 2.25, provides increased control for handling all types of fabrics and for creating desired special effects. Threading is a breeze due to color-coded thread guides and a self-threading lower looper. Simply lay the thread into the guide, flip a switch, and the lower looper is threaded. The guide is automatically returned to its normal position when you turn the balance wheel. And when you lift the presser foot for rethreading, the thread tensions are automatically released so you can draw the thread smoothly. The MyLock 634D also lets you quickly switch to rolled hemming without changing the needle plate. A lower looper pre-tension stitch eliminates the need to change tension for rolled hems.

Included In-Box

  • Screwdrivers
  • Tweezers
  • Set of Needles
  • Spreader
  • Upper Knife
  • Lint Brush
  • Oil
  • Needle Threader
  • Power Supply & Foot Control 

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  • Hook Type:
  • Number of Stitches:
  • Number of Buttonholes:
  • Thread Tension Control:
  • Needle Threader:
  • Presser Foot: Snap-On
  • Needle Up/Down:
  • Feed System:
  • Free Arm:
  • Drop Feed:
  • Needle Position:
  • Easy Convenience Features:
  • Start/Stop Button:
  • Speed Control Slider:
  • Locking Stitch Button:
  • Automatic Thread Cutter:
  • Twin Needle Guard:
  • Easy Reverse Button:
  • Memory Function:
  • Number of Stitch Combinations:
  • Last Stitch Recall Capability:
  • Knee Lift:
  • Machine Size:
  • Machine Weight:
  • Work Space:
  • Bobbin Winding:
  • Extra High Presser Foot Lift:
  • Stitch Selection Type:
  • Foot Pressure Adjustment: No
  • Maximum Stitch Width:
  • Maximum Stitch Length:
  • Cover: None
  • Other Features:


Limited 25 Year Warranty

Janome America, Inc. warrants this Janome sewing machine for a period of 25 years from the date of original purchase against defects in materials or workmanship with the exception of electrical and/or electronic equipment, which is warranted for a period of 2 years from the date of original purchase. During the first year from the date of original purchase, defective parts will be exchanged and labor will be provided free of charge. After the first year and during periods of limited warranty, defective parts will be exchanged free of charge but at the owner's expense for labor. Postage and transportation are also at the owner's expense. For service under this warranty, present your Janome product, warranty card and proof of purchase to the Janome retailer from whom the purchase was made or contact Janome America, Inc., 10 Industrial Ave., Mahwah, NJ 07430-2205.

This sewing machine is warranted only for normal household (non-commercial) use. Needles, belts, bobbins, needle plates, light bulbs, knives, and loopers are not covered. This warranty does not cover failures caused by improper maintenance or repair, abuse, normal wear and tear, misuse, or events beyond the control of Janome America, Inc. This warranty extends only to the consumer who has originally purchased this product from an Authorized Janome Retailer or to a gift recipient as evidenced by proper return of warranty card. Names and addresses of Authorized Janome Retailers are available upon request. Except as stated above, there are no other warranties, expressed or implied. Janome America, Inc. shall not be liable for any incidental or consequential damages directly or indirectly arising from use or inability to use this product or from any other cause. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the exclusion or limitation may not apply in all cases.

This warranty gives the purchaser specific legal rights. The purchaser may also have other rights that vary from state.


You may download a copy of the full agreement here.