Machine Screw Sizes |
Size |
@ |
Thread per inch |
@ |
No. |
(u)NC |
(u)NF |
(u)NS |
0
1
2
3
4 |
64
56
48
40 |
80
72
64
56
48 |
56
32¥336 |
5
6
8
10
12
|
40
32
32
24
24 |
44
40
36
32
28 |
36
40
30
32 |
14 |
20 |
24 |
@ |
|
|
Metric Sizes |
Size |
Pitch
Coarse |
Pitch
Fine
|
1.0
1.1
1.2
1.4
1.6 |
0.25
0.25
0.25
0.3
0.35 |
0.2
0.2
0.2
0.2
0.2
|
1.7
1.8
2.0
2.2
2.3 |
0.35
0.35
0.4
0.4/0.45
0.4 |
0.2
0.2
0.25
0.25
0.25 |
2.5
2.6
3.0
3.5
4.0 |
0.45
0.45
0.5
0.6
0.7 |
0.25
0.25
0.35
0.35
0.50
|
|
|
BA Sizes |
BA NO.14
BA NO.13
BA NO.12
BA NO.11
BA NO.10 |
BA NO.9
BA NO.8
BA NO.7
BA NO.6
BA NO.5 |
BA NO.4
BA NO.3
BA NO.2
BA NO.1
BA NO.0 |
|
|
Sewing Machine Sizes |
Nomal |
Thread |
Diameter inch |
per inch |
SM1/16
SM5/64
SM3/32
SM3/32
SM1/8 |
80
64
100
56
48 |
SM1/8
SM9/64
SM11/64
SM11/64
SM11/64 |
44
40
40
40
32 |
SM3/16
SM3/16
SM3/16
SM3/16
SM13/64 |
40
32
28
24
32
|
SM7/32
SM15/64
SM1/4
SM1/4
SM1/4 |
32
28
40
28
24 |
|
|