| Type |
Part No. |
Thread
Size |
Length Code"L"± .015
(Length Code in 16th of an inch) |
Min.Sheet
Thickness |
Hole Size
In Sheet
+.003
-.000 |
Max Hole
In Attach Parts |
H
±.0.15 |
S
Max. |
Min. distance
centre line hole
to sheet edge |
| Material |
Carbon
Steel |
Stainless
Steel |
.250 |
.312 |
.375 |
.500 |
.625 |
.750 |
.875 |
1.00 |
1.25 |
1.50 |
| EFH |
EFHS |
256 |
2#56 |
4 |
5 |
6 |
8 |
10 |
12 |
／ |
／ |
／ |
／ |
.040 |
.085 |
.105 |
.144 |
.075 |
.187 |
| EFH |
EFHS |
440 |
4#40 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
20 |
／ |
.040 |
.111 |
.135 |
.176 |
.085 |
.219 |
| EFH |
EFHS |
632 |
6#32 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
20 |
24 |
.040 |
.137 |
.160 |
.206 |
.090 |
.250 |
| EFH |
EFHS |
832 |
8#32 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
20 |
24 |
.040 |
.163 |
.185 |
.237 |
.090 |
.281 |
| EFH |
EFHS |
024 |
10#24 |
／ |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
20 |
24 |
.040 |
.189 |
.210 |
.256 |
.100 |
.281 |
| EFH |
EFHS |
032 |
10#32 |
／ |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
20 |
24 |
.040 |
.189 |
.210 |
.256 |
.100 |
.281 |
| EFH |
EFHS |
0420 |
1/4-20 |
／ |
／ |
6 |
8 |
10 |
12 |
14 |
16 |
20 |
24 |
.062 |
.249 |
.270 |
.337 |
.135 |
.312 |
| EFH |
EFHS |
0518 |
5/16-18 |
／ |
／ |
／ |
8 |
10 |
12 |
14 |
16 |
20 |
24 |
.093 |
.311 |
.333 |
.376 |
.160 |
.375 |
|
| Type |
Part No. |
Thread
Size |
Length Code"L"± 0.4
(Length Code in millimeters) |
Min.Sheet
Thickness |
Hole Size
In Sheet
+0.08
-0.00 |
Max Hole
In Attach Parts |
H
±.0.40 |
S
Max. |
Min. distance
centre line hole
to sheet edge |
| Material |
Carbon
Steel |
Stainless
Steel |
.250 |
.312 |
.375 |
.500 |
.625 |
.750 |
.875 |
1.00 |
1.25 |
1.50 |
| EFH |
EFHS |
M2.5 |
M2.5x0.45 |
6 |
8 |
10 |
12 |
15 |
18 |
／ |
／ |
／ |
／ |
1 |
2.5 |
3.1 |
4.1 |
1.95 |
5.4 |
| EFH |
EFHS |
M3 |
M3x0.5 |
6 |
8 |
10 |
12 |
15 |
18 |
20 |
25 |
／ |
／ |
1 |
3 |
3.6 |
4.6 |
2.1 |
5.6 |
| EFH |
EFHS |
M3.5 |
M3.5x0.6 |
6 |
8 |
10 |
12 |
15 |
18 |
20 |
25 |
30 |
／ |
1 |
3.5 |
4.1 |
5.3 |
2.25 |
6.4 |
| EFH |
EFHS |
M4 |
M4x0.7 |
6 |
8 |
10 |
12 |
15 |
18 |
20 |
25 |
30 |
35 |
1 |
4 |
4.6 |
5.9 |
2.4 |
7.2 |
| EFH |
EFHS |
M5 |
M5x0.8 |
／ |
8 |
10 |
12 |
15 |
18 |
20 |
25 |
30 |
35 |
1 |
5 |
5.6 |
6.5 |
2.7 |
7.2 |
| EFH |
EFHS |
M6 |
M6x1.0 |
／ |
／ |
10 |
12 |
15 |
18 |
20 |
25 |
30 |
35 |
1.6 |
6 |
6.6 |
8.2 |
3 |
7.9 |
| EFH |
EFHS |
M8 |
M8x1.25 |
／ |
／ |
10 |
12 |
15 |
18 |
20 |
25 |
30 |
35 |
2.4 |
8 |
8.6 |
9.6 |
3.7 |
9.6 |
|
| ◎ Type EFH recommended for use in steel or aluminum sheet HRB 75~80 or less. |
| ◎ Type EFHS recommended for use in steel or aluminum sheet HRB 65~70 or less. |
| ◎Threads are gageable to within 2 pitches of the “S” Max. dimension. A class 3B/5H maximum material commercial nut shall pass up to the“S” Max. dimension. |
