Stitch Type

Stitches: Class-406 (Sub-Classes)

Stitch Class 406 (bottom coverstitch): Stitch is formed by 2 needle threads passing through the material and inter- looping with 1 looper thread with the stitch set on the underside of the seam. Thread consumption ratio=1: 15.5

This type of stitch is formed with 3 threads:

2 Needle threads (A & A1) 1 Looper thread (B)

Stitch type 406

The loops of the needle threads (A & A1) are passed through the material and inter-laced and inter-looped with loops of thread (B). These inter loopings are then drawn against the underside of the material being sewn.

Face Side

Underside