The needle size used should always match the size of the thread used.
Needle size
Yarn thickness (polyester)
Thread thickness (cotton)
60-70
180-150
65-70
70-80
150-120
55-60
80-90
120-100
45-50
90-100
100-70
35-40
100-110
70-50
25-30
110-120
50-30
15-20
120-130
30-10
10
species
Most of the sewing machine needles manufactured today fall into one of the following categories:
needle
Letter code
use
Universal
H
non-elastic fabrics
Jeans / denim
HJ
Denim fabrics
jersey
HS
elastic fabrics
Stretch
HS
highly elastic and elastic fabrics
Microtex
HM
coated fabrics, foils, silk
leather
H-LL
leather
Embroider
HE
Embroidering thick threads and wool threads
Quilting / quilting
HQ
Quilting, patchwork
twin
H-ZWI
stretchy fabrics
Schmetz color markings
Schmetz uses colored stripes on the cone of the respective needle to mark the needle size and purpose. The upper color represents the type of needle, the lower color represents the size.
colour
needle
yellow
Stretch needle
blue
Jeans needle
orange
Jersey needle
green
Quilting needle
red
Stick needle
purple
Microtex needle
pink
Metallic needle
light green
Embroidery needle
brown
Leather needle
black
Overlock needles
colourless
other
colour
Needle size
red
130
black
125
brown
120
yellow
110
purple
100
blue
90
orange
80
pink
75
green
70
light gray
65
light turquoise
60
credentials
↑ Thomas Gries: Joining and surface technologies for textiles . Ed .: Kai Klopp. Springer, 2007, ISBN 978-3-540-37227-1 , pp.10 .