Size |
Pitch (p) |
Width across corner (e) |
Width across Flat (s) |
Head Thickness (k) |
Thread Length b |
Transition Diameter da |
Dia. of washer face dw |
Radius under head r |
Depth of washer face c |
Major Diameter (D) |
Pitch Diameter (D1) |
Minor Diameter (D2) |
|||||
MM |
Min. |
Min. |
Max. |
Min. |
Max. |
- |
Max. |
Min. |
Min. |
Min. |
Max. |
Min. |
Min. |
Min. |
Max. |
Min. |
|
M-16 |
2.0 |
26.17 |
23.16 |
24 |
9.71 |
10.29 |
FT |
17.70 |
22.00 |
0.6 |
0.2 |
0.8 |
15.68 |
15.96 |
14.50 |
14.60 |
13.80 |
M-18 |
2.5 |
29.56 |
26.16 |
27 |
11.15 |
11.85 |
FT |
20.20 |
24.85 |
0.6 |
0.2 |
0.8 |
17.62 |
17.96 |
16.15 |
16.25 |
15.25 |
M-20 |
2.5 |
32.95 |
29.16 |
30 |
12.15 |
12.85 |
FT |
22.40 |
27.70 |
0.8 |
0.2 |
0.8 |
19.62 |
19.96 |
18.15 |
18.25 |
17.25 |
M-22 |
2.5 |
37.29 |
33.00 |
34 |
13.65 |
14.35 |
FT |
24.40 |
31.35 |
0.8 |
0.2 |
0.8 |
21.62 |
21.96 |
20.15 |
20.25 |
19.25 |
M-24 |
3.0 |
39.55 |
35.00 |
36 |
14.65 |
15.35 |
FT |
26.40 |
33.25 |
0.8 |
0.2 |
0.8 |
23.58 |
23.95 |
21.80 |
21.90 |
20.70 |
M-27 |
3.0 |
45.20 |
40.00 |
41 |
16.65 |
17.35 |
FT |
30.40 |
38.00 |
1.0 |
0.2 |
0.8 |
26.58 |
26.95 |
24.80 |
24.90 |
23.70 |
M30 |
3.5 |
50.85 |
45.00 |
46 |
18.28 |
19.12 |
FT |
33.40 |
42.75 |
1.0 |
0.2 |
0.8 |
29.52 |
29.95 |
27.50 |
27.60 |
26.16 |
M-33 |
3.5 |
55.37 |
49.00 |
50 |
20.58 |
21.42 |
FT |
36.40 |
46.55 |
1.0 |
0.2 |
0.8 |
32.52 |
32.95 |
30.50 |
30.60 |
29.16 |
M-36 |
4.0 |
60.79 |
53.80 |
55 |
22.08 |
22.92 |
FT |
39.40 |
51.11 |
1.0 |
0.2 |
0.8 |
35.46 |
35.94 |
33.15 |
33.25 |
31.61 |
M-39 |
4.0 |
66.44 |
58.80 |
60 |
24.58 |
25.42 |
FT |
42.40 |
55.86 |
1.0 |
0.3 |
1.0 |
38.46 |
38.94 |
36.20 |
36.30 |
34.61 |
M-42 |
4.5 |
71.30 |
63.10 |
65 |
25.58 |
26.42 |
FT |
45.60 |
59.95 |
1.2 |
0.3 |
1.0 |
41.44 |
41.94 |
38.80 |
38.90 |
37.07 |
M-45 |
4.5 |
76.95 |
68.10 |
70 |
27.58 |
28.42 |
FT |
48.60 |
64.70 |
1.2 |
0.3 |
1.0 |
44.44 |
44.94 |
41.80 |
41.90 |
40.07 |
M-48 |
5.0 |
82.60 |
73.10 |
75 |
29.58 |
30.42 |
FT |
52.60 |
69.45 |
1.6 |
0.3 |
1.0 |
47.40 |
47.93 |
44.50 |
44.60 |
42.52 |
M-52 |
5.0 |
88.25 |
78.10 |
80 |
32.50 |
33.50 |
FT |
56.60 |
74.20 |
1.6 |
0.3 |
1.0 |
51.40 |
51.93 |
48.50 |
48.60 |
46.52 |
M-56 |
5.5 |
93.56 |
82.80 |
85 |
34.50 |
35.50 |
FT |
63.00 |
78.66 |
2.0 |
0.3 |
1.0 |
55.36 |
55.92 |
52.10 |
52.20 |
49.97 |
M-60 |
5.5 |
99.21 |
87.80 |
90 |
37.50 |
38.50 |
FT |
67.00 |
83.41 |
2.0 |
0.3 |
1.0 |
59.36 |
59.92 |
57.85 |
57.95 |
53.97 |
M-64 |
6.0 |
104.86 |
92.80 |
95 |
39.50 |
40.50 |
FT |
71.00 |
88.16 |
2.0 |
0.3 |
1.0 |
63.32 |
63.92 |
59.80 |
59.90 |
57.42 |