Thread
Sizes
Needles Size
English (NE)
Tex
Metric
Singer
Metric (nm)
50/2
21
90/2
11-14
75-90
40/2
27
70/2
14-18
90-100
50/3
35
90/3
30/2
40
16-19
100-120
40/3
42
70/3
24/2
45
18-21
110-130
30/3
60
24/3
80
19-22
120-140
20/3
90
35/3
16/3
103
20/4
105
21-23
120-160
16/4
135
30/4
130-160
Needle Equivalency Chart
Nm = nanometers of the Diameter of the needleRows = Different Type of Needle Systems