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2 NEEDLE 4 THREAD OVEREDGE - ISO 514


You'll find this seam used extensively on our knit and woven products like the T2 WerkFleece and T2 WerkPants to create seams where stretch and strength are important - and we don't want the stitching to be exposed on the outer surface of the garment. One advantage of concealing the thread on the inside of high-wear areas is that it's not as vulnerable to abrasion - we'll even use this seam as the foundation of our double-stitched seams on werkpants where 2 needle lockstitching is applied over this ISO 514. While it consumes more thread than other seams in its category, the integrity of this seam makes it one of our favorites.

 

 topside

underside

 

 TECHNICAL DETAILS
What it's called: 2 needle 4 thread overedge 
ISO 4915 stitch number: 514
Primary use: joining panels in knit and woven fabrics with concealed stitching
Secondary use: foundation seam on double-stitched seams
Spec callouts: 
  • stitches per inch

Formed by: using two needle threads and two looper threads - with both thread needles entering the top looper loop.