Stitch Type

Stitches: Class-404 (Sub-Classes)

Stitch Class 404 (zig zag chainstitch) Stitch is formed is similar to the 401 stitch. To produce the zig-zag appearance, the needle bar moves laterally as the material is fed. Thread consumption ratio=1 : 7

This type of stitch is formed with 2 threads:

1 Needle thread (A) 1 Looper thread (B)

The loops of thread (A) are passed through the material and interlaced and inter-looped with loops of thread (B). These inter- loopings are drawn up against the underside of the bottom ply of the material being sewn.

Stitch type 404

Face Side

Underside