Buttonhole sewing, Caution – Brother FS-20 User Manual
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BUTTONHOLE SEWING
Buttonholes can be sewn and buttons can be sewn on.
*Auto Rfc.: Automatic Reinforcement
**Rfc.: Reinforcement
The maximum buttonhole length is about 28 mm (1-1/8 inches) (diameter + thickness of the button).
Buttonholes are sewn from the front of the presser foot to the back, as shown below.
Stitch Name
Pat
ter
n
Pr
ess
er Foot
Pattern No.
Application
Stitch Width
[mm (inch.)]
Stitch Length
[mm (inch.)]
Tw
in
N
ee
dl
e
W
alk
ing Foot
Reve
rse
/
Rein
for
cem
ent
Sti
tch
ing
70
st
it
ches
m
odel
60
st
it
ches
m
odel
50
st
it
ches
m
odel
40
st
it
ches
m
odel
30
st
it
ches
m
odel
20
st
it
ches
m
odel
Auto
Manual
Auto
Manual
Buttonhole
stitch
A
29
29
29
25
21
16
Horizontal buttonholes
on thin and medium
weight fabrics
5.0
(3/16)
3.0-5.0
(1/8-3/16)
0.5
(1/32)
0.2-1.0
(1/64-1/16) No
No
*
Auto
Rfc.
A
30
30
30
26
22
17
Secured buttoholes for
fabrics that have back-
ings
5.0
(3/16)
3.0–5.0
(1/8-3/16)
0.5
(1/32)
0.2–1.0
(1/64-1/16)
No
No
*
Auto
Rfc.
A
31
31
31
27
–
–
Buttonholes for stretch or
knit fabrics
6.0
(15/64)
3.0–6.0
(1/8-15/64)
1.0
(1/16)
0.5–2.0
(1/32-1/16) No
No
*
Auto
Rfc.
A
32
32
32
28
–
–
Buttonholes for stretch
fabrics
6.0
(15/64)
3.0–6.0
(1/8-15/64)
1.5
(1/16)
1.0–3.0
(1/16-1/8)
No
No
*
Auto
Rfc.
A
33
33
33
29
23
18 Keyhole buttonholes for
thick or furry fabrics
7.0
(1/4)
3.0–7.0
(1/8-1/4)
0.5
(1/32)
0.3–1.0
(1/64-1/16) No
No
*
Auto
Rfc.
A
34
34
–
–
–
–
Keyhole buttonholes for
medium weight and thick
fabrics
7.0
(1/4)
3.0–7.0
(1/8-1/4)
0.5
(1/32)
0.3–1.0
(1/64-1/16) No
No
*
Auto
Rfc.
A
35
35
–
–
–
–
Keyhole buttonholes for
thick or furry fabrics
7.0
(1/4)
3.0–7.0
(1/8-1/4)
0.5
(1/32)
0.3–1.0
(1/64-1/16) No
No
*
Auto
Rfc.
Zigzag stitch
(for quilting)
J
40
40
–
–
–
–
Appliqué quilting, free-
motion quilting, satin
stitching, button sewing
3.5
(1/8)
0.0–7.0
(0–1/4)
1.4
(1/16)
0.0-4.0
(0-3/16)
No
Yes
**
Rfc.
● Be sure to turn off the main power before replacing the presser foot. Otherwise, injuries may occur if
the foot controller or
(start/stop button) is accidentally pressed and the machine starts sewing.
CAUTION
a Reinforcement stitching