Ac 172n 1790


High-speed, Computer-controlled Buttonholing Indexer

The AC-172N-1790 is the newly-developed next-generation buttonholing indexer, which comes with the highly evaluated high-speed machine head LBH-1790 and is provided as standard with the preset mechanism to increase productivity. In addition, called sub-clamp mechanism helps achieve both accurate and consistent buttonholing quality.

Model name AC-172N-1790
Max. sewing speed 4,200sti/min
Max. stitch length Max. 25mm
Needle DP×5 #11J~#14J (Needle installed at the time of delivery #11J)
Machine Head Type LBH-1790 (exclusive machine head for AC)
Number Of Patterns For Standard Stitching 20 patterns
Applicable Buttons 1~20 pcs.

Similar machines / additional functions


  • DdDry-head and Intelligent Direct-drive Sewing Machine
  • Sh2Lockstitch buttonholing
  • Fu1Active tension
  • Fu2Automatic thread trimmer
  • Fu5Stacker


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