Self Tapping Screw Standard
|
Size / Metric |
Pitch/P |
Major Diameter |
|
max |
min |
|
1.0 |
60 |
1.05 |
1.00 |
|
1.2 |
56 |
1.25 |
1.20 |
|
1.4 |
48 |
1.50 |
1.40 |
|
1.7 |
40 |
1.80 |
1.70 |
|
2.0 |
32 |
2.10 |
2.00 |
|
2.3 |
32 |
2.40 |
2.30 |
|
2.6 |
28 |
2.70 |
2.60 |
|
3.0 |
24 |
3.10 |
3.00 |
|
3.5 |
18 |
3.65 |
3.50 |
|
4.0 |
16 |
4.15 |
4.00 |
|
4.5 |
14 |
4.65 |
4.50 |
|
5.0 |
12 |
5.20 |
5.00 |
|
6.0 |
10 |
6.20 |
6.00 |
|
8.0 |
9 |
8.20 |
8.00 |
Mark : "P" is thread No. per inch .
|
Size/American |
Pitch/P |
Major Diameter |
|
max |
min |
|
#0 |
40 |
1.52 |
1.44 |
|
#1 |
32 |
1.90 |
1.82 |
|
#2 |
32 |
2.23 |
2.13 |
|
#3 |
28 |
2.56 |
2.46 |
|
#4 |
24 |
2.89 |
2.79 |
|
#5 |
20 |
3.30 |
3.20 |
|
#6 |
18 |
3.58 |
3.45 |
|
#7 |
16 |
4.01 |
3.86 |
|
#8 |
15 |
4.26 |
4.11 |
|
#9 |
14 |
4.55 |
4.40 |
|
#10 |
12 |
4.92 |
4.77 |
|
#12 |
11 |
5.60 |
5.46 |
|
#14 |
10 |
6.45 |
6.29 |
|
#16 |
10 |
7.11 |
6.96 |
|
#18 |
9 |
7.77 |
7.62 |
Screws
