Standards for types and models of sewing machine needles

With the development of the garment industry, there are more and more types of sewing machines, and the number of needle models has also increased. Currently, there are more than 15,000 types. According to the type of sewing machine, industrial machine needles can be divided into flat sewing machine needles, interlock sewing machine needles, overlock sewing machine needles, chain sewing machine needles, etc.
Since there are many types and models of sewing machines, different types of sewing machines use needles of different lengths, so there are also many models of sewing needles. For the same type of sewing machine, different types of needles must be used when sewing fabrics of different thicknesses and textures.
1. Needle type
It is the code of the needle used by a certain sewing machine model, and it is specific to the type of sewing machine. At present, needle type labels are not uniform in various countries around the world, but for the same type of machine needles, the diameter and length of the needle bar are the same.

Needle type markings in various countries