Industrial Sewing Threads 12/4, 5kg
100% polyester bag stitching threads Each cone Treated with 3-5% good silicone oil, packed with shrink film. Our thread was passed the tests by SGS under the requests from FDA requirements
Material: 100% polyester stable fiber, 1.33d*38mm
Product name: 100% polyester bag sewing threads used on NEWLONG / FISCHBEIN / UNION-SPECIAL high speed sewing machines.
10/3, 10/4, 12/4(Nm20/4), 12/5(Nm20/5),12/6, 20/6, 20/7, 20/8 etc.
200gr , 250g , 1kg , 2kg , 4kg, 5kg, 8kg, 4.5lb, 20lb .