ISO 100 q 103 blindstitch q Description: stitch is formed with one needle thread interlooped over itself on the top side. It does not penetrate the full depth. The thread is pulled horizontally through potions of the bottom ply q Common use(s): blindstitch hemming, felling, making belt loops
ISO 300 q 304 zig zag q Description: This stitch has a needle and bobbin that are set in the center of the seam to set the zig zag pattern. Stitch 304 zig zag is also used to identify bartacking and lockstitch buttonsewing and buttonholing q Common use(s): intimate apparel, athletic wear, infantswear, and exercisewear
ISO 400 q 401 chainstitch q Description: The 401 chainstitch is formed by 1 needle thread passing through the material and interlooped with one looper thread pulled up to the underside of the seam q Common use(s): single needle chainstitchmainseams on wovens
ISO 500 q 516 safetystitch q Description: combines a 401 chainstitch and a 504 overedge stitch that are formed simultaneously. q Common use(s): safety stitch seaming wovens and knits
ISO 600 q 607 flatseam coversittch q Description: formed with four needle threads, a top cover thread, and a bottom looper thread q Common use(s): flat or lap seaming knit underwear, fleece, etc.