Sewing machine thread (sewing standard 100)
The sewing machine thread is a historical thread type used in Germany for the construction of sewing machines, standardized according to Sewing Standard 100. Today, the sewing machine thread is no longer used. However, you may encounter it when repairing or restoring old sewing machines. You can order dies and taps for the sewing machine thread as a custom fabrication. Please contact our customer service for this.
The sewing machine thread is an imperial thread, so all dimensions are given in inches. The pitch for the sewing machine thread is expressed in threads per inch.
The various sizes of the sewing machine thread are denoted by the external diameter in inches. Common abbreviations for this type of thread are Ng or NN.
The thread table below for the sewing machine thread includes the external diameter in inches and the pitch in threads per inch. Additionally, the external diameter and core diameter for bolts and nuts and the value for the pitch have been converted to the metric system.