No. |
Dia. |
Course |
fine |
no |
dia |
no |
inches |
mm |
0 |
0.060 |
- |
80 |
52 |
0.064 |
56 |
0.047 |
1.2 |
1 |
0.073 |
64 |
72 |
47 |
0.079 |
53 |
0.060 |
1.5 |
2 |
0.086 |
56 |
64 |
42 |
0.094 |
50 |
0.070 |
1.8 |
3 |
0.099 |
48 |
- |
37 |
0.104 |
47 |
0.079 |
2.0 |
3 |
0.099 |
56 |
37 |
0.104 |
45 |
0.082 |
2.1 |
|
4 |
0.112 |
40 |
- |
31 |
0.120 |
43 |
0.089 |
2.3 |
4 |
0.112 |
- |
48 |
31 |
0.120 |
42 |
0.094 |
2.4 |
5 |
0.125 |
40 |
- |
29 |
0.136 |
38 |
0.102 |
2.6 |
5 |
0.125 |
- |
44 |
29 |
0.136 |
37 |
0.104 |
2.6 |
6 |
0.138 |
32 |
- |
27 |
0.144 |
36 |
0.107 |
2.7 |
6 |
0.138 |
- |
40 |
27 |
0.144 |
33 |
0.113 |
2.9 |
8 |
0.164 |
32 |
36 |
18 |
0.170 |
29 |
0.136 |
3.5 |
10 |
0.190 |
24 |
- |
9 |
0.196 |
25 |
0.150 |
3.8 |
10 |
0.190 |
- |
32 |
9 |
0.196 |
21 |
0.159 |
4.0 |
12 |
0.216 |
24 |
- |
2 |
0.221 |
16 |
0.177 |
4.5 |
12 |
0.216 |
- |
28 |
2 |
0.221 |
14 |
0.182 |
4.6 |
1/4 |
0.250 |
20 |
- |
- |
17/64 |
7 |
0.201 |
5.1 |
1/4 |
0.250 |
- |
28 |
- |
17/64 |
3 |
0.213 |
5.5 |
Screw |
Threads per Inch |
Clearance drill |
tap drill |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
