National Fasteners Was Founded By The Mr.Gurjeet Singh In The Year 2009. He Was A Visionary With A Commitment To Produce Quality Industrial Fittings And Accessories For An Emerging Industrial India.
E191, Focal Point, Ludhiana, Punjab 141010
Steel Grades: 4.6, 4.8, 8.8
Finish: Self, Black, Bright Zinc, Hot Dip Galvanized
|
c |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
M16 |
M20 |
M24 |
|
|
P1) |
0.7 |
0.8 |
1 |
1.25 |
1.5 |
1.75 |
2 |
2.5 |
3 |
|
|
d2 |
max. |
8 |
11 |
13 |
16 |
20 |
23 |
29 |
35 |
44 |
|
min. |
6 |
8 |
10 |
13 |
17 |
20 |
26 |
32 |
41 |
|
|
d3 |
max. |
7 |
9 |
11 |
12.5 |
16.5 |
19.5 |
23 |
29 |
37.5 |
|
min. |
5.5 |
7.5 |
9 |
10.5 |
14.5 |
17.5 |
21 |
27 |
35 |
|
|
e |
max. |
20 |
26 |
33 |
39 |
51 |
65 |
73 |
90 |
110 |
|
min. |
18 |
24 |
30 |
36 |
48 |
62 |
70 |
86 |
106 |
|
|
g1 |
max. |
1.9 |
2.3 |
2.3 |
2.8 |
4.4 |
4.9 |
6.4 |
6.9 |
9.4 |
|
min. |
1.1 |
1.5 |
1.5 |
2 |
3.6 |
4.1 |
5.6 |
6.1 |
8.6 |
|
|
g2 |
max. |
2.3 |
2.8 |
3.3 |
4.4 |
5.4 |
6.4 |
7.5 |
8 |
10.5 |
|
min. |
1.7 |
2.3 |
2.7 |
3.6 |
4.6 |
5.6 |
6.5 |
7 |
9.5 |
|
|
h |
max. |
10.5 |
13 |
17 |
20 |
25 |
33.5 |
37.5 |
46.5 |
56.5 |
|
min. |
8.5 |
11 |
15 |
18 |
23 |
31 |
35 |
44 |
53.5 |
|
|
m |
max. |
4.6 |
6.5 |
8 |
10 |
12 |
14 |
17 |
21 |
25 |
|
min. |
3.2 |
4 |
5 |
6.5 |
8 |
10 |
13 |
16 |
20 |
|
|
r1 |
≈ |
3 |
4 |
5 |
6 |
8 |
10 |
11 |
14 |
18 |
|
r2 |
≈ |
1 |
1 |
1 |
1.2 |
1.6 |
2.5 |
|||
|
r3 |
≈ |
0.5 |
1 |
1 |
1 |
1.2 |
1.2 |
1.6 |
2 |
2.5 |
|
r4 |
≈ |
2 |
2.5 |
3 |
3 |
5 |
6 |
7 |
8 |
9 |
|
l |
||
|
Norminal length |
min. |
max. |
|
6 |
5.4 |
6.6 |
|
8 |
7.3 |
8.7 |
|
10 |
9.3 |
10.7 |
|
12 |
11.1 |
12.9 |
|
(14) |
13.1 |
14.9 |
|
16 |
15.1 |
16.9 |
|
(18) |
17.1 |
18.9 |
|
20 |
19 |
21 |
|
25 |
24 |
26 |
|
30 |
29 |
31 |
|
35 |
33.8 |
36.2 |
|
40 |
33.8 |
41.2 |
|
50 |
48.8 |
51.2 |
|
60 |
58.5 |
61.5 |
