UNI 5738 Partially Threaded Hex Cap Screw
Dimensions for Partially Threaded Hex Cap Screw
Thread d |
b |
c |
da |
ds |
dw |
e |
k |
k |
r |
s |
l<125mm |
125mm>
l<200mm |
l>200mm |
min. |
max. |
max. |
max. |
min. |
min. |
min. |
nominal |
Product grade A |
Product grade B |
min. |
min. |
nominal = max |
min. |
Product Grade A |
Product Grade B |
Product Grade A |
Product Grade B |
Product Grade A |
Product Grade B |
min. |
max. |
min. |
max. |
Product Grade A |
Product Grade B |
M8x1 |
-- |
22 |
28 |
41 |
0.15 |
0.6 |
9.2 |
8 |
7.78 |
7.64 |
11.6 |
11.4 |
14.38 |
14.2 |
5.3 |
5.15 |
5.45 |
5.06 |
5.54 |
3.54 |
0.4 |
13 |
12.73 |
12.57 |
M10x1 |
M10x1.25 |
26 |
32 |
45 |
0.15 |
0.6 |
11.2 |
10 |
9.78 |
9.64 |
15.6 |
15.4 |
18.9 |
18.72 |
6.4 |
6.22 |
6.58 |
6.11 |
6.69 |
4.28 |
0.4 |
17 |
16.73 |
16.57 |
M12x1.5 |
M12x1.25 |
30 |
36 |
49 |
0.15 |
0.6 |
13.7 |
12 |
11.73 |
11.57 |
17.4 |
17.2 |
21.1 |
20.88 |
7.5 |
7.32 |
7.68 |
7.21 |
7.79 |
5.05 |
0.6 |
19 |
18.67 |
18.48 |
M14x1.5 |
-- |
34 |
40 |
53 |
0.15 |
0.6 |
15.7 |
14 |
13.73 |
13.57 |
20.5 |
20.1 |
24.49 |
23.91 |
8.8 |
8.62 |
8.96 |
8.51 |
9.09 |
5.96 |
0.6 |
22 |
21.67 |
21.16 |
M16x1.5 |
-- |
38 |
44 |
57 |
0.2 |
0.8 |
17.7 |
16 |
15.73 |
15.57 |
22.5 |
22 |
26.75 |
26.17 |
10 |
9.82 |
10.18 |
9.81 |
10.29 |
6.8 |
0.6 |
24 |
23.67 |
23.16 |
M18x2 |
M18x1,5 |
42 |
48 |
61 |
0.2 |
0.8 |
20.2 |
18 |
17.73 |
17.57 |
25.3 |
24.8 |
30.14 |
29.56 |
11.5 |
11.28 |
11.72 |
11.15 |
11.85 |
7.8 |
0.6 |
27 |
26.67 |
26.16 |
M20x1.5 |
M20x2 |
46 |
52 |
65 |
0.2 |
0.8 |
22.4 |
20 |
19.67 |
19.48 |
28.2 |
27.7 |
33.53 |
32.95 |
12.5 |
12.28 |
12.72 |
12.15 |
12.85 |
8.5 |
0.8 |
30 |
29.67 |
29.16 |
M22x2 |
M22x1.5 |
50 |
56 |
69 |
0.2 |
0.8 |
24.4 |
22 |
21.67 |
21.48 |
30 |
29.5 |
35.72 |
35.03 |
14 |
13.78 |
14.22 |
13.65 |
14.35 |
9.6 |
0.8 |
32 |
31.61 |
31 |
M24x2 |
M24x1.5 |
54 |
60 |
73 |
0.2 |
0.8 |
26.4 |
24 |
23.67 |
23.48 |
33.6 |
33.2 |
39.98 |
39.55 |
15 |
14.78 |
15.22 |
14.65 |
15.35 |
10.3 |
0.8 |
36 |
35.38 |
35 |
Thread d |
b |
c |
da |
ds |
dw |
e |
k |
k |
r |
s |
l<125mm |
125mm>
l<200mm |
200mm |
min. |
max. |
max. |
max. |
min. |
min. |
min. |
nominal |
min |
max |
min. |
min. |
nominal = max |
min. |
M27x2 |
-- |
60 |
66 |
79 |
0.2 |
0.8 |
30.4 |
27 |
26.48 |
38 |
45.2 |
17 |
16.65 |
17.35 |
11.7 |
1 |
41 |
40 |
M30x2 |
-- |
66 |
72 |
85 |
0.2 |
0.8 |
33.4 |
30 |
29.48 |
42.7 |
50.85 |
18.7 |
18.28 |
19.12 |
12.8 |
1 |
46 |
45 |
M33x2 |
-- |
72 |
78 |
91 |
0.2 |
0.8 |
36.4 |
33 |
32.38 |
46.6 |
55.37 |
21 |
20.58 |
21.42 |
14.4 |
1 |
50 |
49 |
M36x3 |
-- |
78 |
84 |
97 |
0.2 |
0.8 |
39.4 |
36 |
35.38 |
51.1 |
60.79 |
22.5 |
22.08 |
22.92 |
15.5 |
1 |
55 |
53.8 |
M39x3 |
-- |
84 |
90 |
103 |
0.3 |
1 |
42.4 |
39 |
38.38 |
55.9 |
66.44 |
25 |
24.58 |
25.42 |
17.2 |
1 |
60 |
58.8 |
M42x3 |
-- |
90 |
96 |
109 |
0.3 |
1 |
45.6 |
42 |
41.38 |
59.9 |
71.3 |
26 |
25.58 |
26.42 |
17.9 |
1.2 |
65 |
63.1 |
M45x3 |
-- |
96 |
102 |
115 |
0.3 |
1 |
48.6 |
45 |
44.38 |
64.7 |
76.95 |
28 |
27.58 |
28.42 |
19.3 |
1.2 |
70 |
68.1 |
M48x3 |
-- |
102 |
106 |
121 |
0.3 |
1 |
52.6 |
48 |
47.38 |
69.4 |
82.6 |
30 |
29.58 |
30.42 |
20.9 |
1.6 |
75 |
73.1 |
M52x3 |
-- |
- |
116 |
129 |
0.3 |
1 |
56.6 |
52 |
51.26 |
74.2 |
88.25 |
33 |
32.5 |
33.5 |
22.8 |
1.6 |
80 |
78.1 |
Thread Length Requirement for UNI 5738 Hex Head Bolts
Thread d |
M8x1 |
M10x1 |
M12x1.5 |
M14x1.5 |
M16x1.5 |
M18x2 |
M20x1.5 |
M22x2 |
M24x2 |
M27x2 |
M30x2 |
M33x2 |
M36x3 |
M39x3 |
M42x3 |
M45x3 |
M48x3 |
M52x3 |
- |
M10x1.25 |
M12x1.25 |
- |
- |
M18x1.5 |
M20x2 |
M22x1.5 |
M24x1.5 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
l |
Product grade |
|
A |
B |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
Nominal |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
35 |
34.5 |
35.5 |
- |
- |
8 |
13 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
40 |
39.5 |
40.5 |
- |
- |
13 |
18 |
7.75 |
14 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
45 |
44.5 |
45.5 |
- |
- |
18 |
23 |
12.75 |
19 |
7.5 |
15 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
50 |
49.5 |
50.5 |
- |
- |
23 |
28 |
17.75 |
24 |
12.5 |
20 |
8.5 |
16 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
55 |
54.4 |
55.6 |
- |
- |
28 |
33 |
22.75 |
29 |
17.5 |
25 |
13.5 |
21 |
9.5 |
17 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
60 |
59.4 |
60.6 |
- |
- |
33 |
38 |
27.75 |
34 |
22.5 |
30 |
18.5 |
26 |
14.5 |
22 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
65 |
64.4 |
65.6 |
- |
- |
38 |
43 |
32.75 |
39 |
27.5 |
35 |
23.5 |
31 |
19.5 |
27 |
13 |
23 |
9 |
19 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
70 |
69.4 |
70.6 |
- |
- |
43 |
48 |
37.75 |
44 |
32.5 |
40 |
28.5 |
36 |
24.5 |
32 |
18 |
28 |
14 |
24 |
10 |
20 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
75 |
74.4 |
75.6 |
- |
- |
48 |
53 |
42.75 |
49 |
37.5 |
45 |
33.5 |
41 |
29.5 |
37 |
23 |
33 |
19 |
29 |
15 |
25 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
80 |
794 |
80.6 |
- |
- |
53 |
58 |
47.75 |
54 |
42.5 |
50 |
38.5 |
46 |
34.5 |
42 |
28 |
38 |
24 |
34 |
20 |
30 |
16 |
26 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
85 |
84.3 |
85.7 |
83.25 |
88.75 |
58 |
63 |
52.75 |
59 |
47.5 |
55 |
43.5 |
51 |
39.5 |
47 |
33 |
43 |
29 |
39 |
25 |
35 |
21 |
31 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
90 |
89.3 |
90.7 |
88.25 |
91.75 |
63 |
68 |
57.75 |
64 |
52.5 |
60 |
48.5 |
56 |
44.5 |
52 |
38 |
48 |
34 |
44 |
30 |
40 |
26 |
36 |
20 |
30 |
14 |
24 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
95 |
94.3 |
95.7 |
93.25 |
93.75 |
68 |
73 |
62.75 |
69 |
57.5 |
65 |
53.5 |
61 |
49.5 |
57 |
43 |
53 |
39 |
49 |
35 |
45 |
31 |
41 |
25 |
35 |
19 |
29 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
100 |
99.3 |
100.7 |
98.25 |
101.75 |
73 |
79 |
67.75 |
74 |
62.5 |
70 |
58.5 |
65 |
54.5 |
62 |
48 |
58 |
44 |
54 |
40 |
50 |
36 |
46 |
30 |
40 |
24 |
34 |
18 |
28 |
|
|
|
|
|
|
|
|
|
|
|
|
110 |
109.3 |
110.7 |
108.25 |
111.75 |
|
|
77.75 |
84 |
72.5 |
80 |
68.5 |
76 |
64.5 |
72 |
58 |
68 |
54 |
64 |
50 |
60 |
46 |
56 |
40 |
50 |
34 |
44 |
28 |
38 |
17 |
32 |
|
|
|
|
|
|
|
|
|
|
120 |
119.3 |
120.7 |
118.25 |
121.75 |
|
|
87.75 |
94 |
82.5 |
90 |
78.5 |
86 |
74.5 |
82 |
68 |
78 |
64 |
74 |
60 |
70 |
56 |
66 |
50 |
60 |
44 |
54 |
38 |
48 |
27 |
42 |
21 |
36 |
|
|
|
|
|
|
|
|
130 |
129.2 |
130.8 |
128 |
132 |
|
|
91.75 |
98 |
86.5 |
94 |
82.5 |
90 |
76.5 |
86 |
72 |
82 |
68 |
78 |
64 |
74 |
60 |
70 |
54 |
64 |
48 |
58 |
42 |
52 |
31 |
46 |
25 |
40 |
19 |
34 |
13 |
28 |
|
|
|
|
140 |
139.2 |
140.8 |
138 |
142 |
|
|
101.75 |
108 |
96.5 |
104 |
92.5 |
100 |
88.5 |
96 |
82 |
92 |
78 |
88 |
74 |
84 |
70 |
80 |
64 |
74 |
58 |
68 |
52 |
62 |
41 |
56 |
35 |
50 |
29 |
44 |
23 |
38 |
17 |
32 |
|
|
150 |
149.2 |
150.8 |
148 |
152 |
|
|
111.75 |
118 |
106.5 |
114 |
102.5 |
110 |
98.5 |
106 |
92 |
102 |
88 |
98 |
84 |
94 |
80 |
90 |
74 |
84 |
68 |
78 |
62 |
72 |
51 |
66 |
45 |
60 |
39 |
54 |
33 |
48 |
27 |
42 |
19 |
34 |
160 |
159.2 |
160.8 |
158 |
162 |
|
|
|
|
116.5 |
124 |
112.5 |
12 |
108.5 |
116 |
102 |
112 |
98 |
108 |
94 |
104 |
90 |
100 |
84 |
94 |
78 |
88 |
72 |
82 |
61 |
76 |
55 |
70 |
49 |
64 |
43 |
58 |
37 |
52 |
29 |
44 |
170 |
169.2 |
170.8 |
168 |
172 |
|
|
|
|
126.5 |
134 |
122.5 |
130 |
118.5 |
126 |
112 |
122 |
108 |
118 |
104 |
114 |
100 |
110 |
94 |
104 |
88 |
98 |
82 |
92 |
71 |
86 |
65 |
80 |
59 |
74 |
53 |
68 |
47 |
62 |
39 |
54 |
180 |
179.2 |
180.8 |
178 |
182 |
|
|
|
|
136.5 |
144 |
132.5 |
140 |
128.5 |
136 |
122 |
132 |
118 |
128 |
114 |
124 |
110 |
120 |
104 |
114 |
98 |
108 |
92 |
102 |
81 |
96 |
75 |
90 |
69 |
84 |
63 |
78 |
57 |
72 |
49 |
64 |
190 |
189.08 |
190.92 |
187.7 |
192.3 |
|
|
|
|
|
|
142.5 |
150 |
138.5 |
146 |
132 |
142 |
128 |
138 |
124 |
134 |
120 |
130 |
114 |
124 |
108 |
118 |
102 |
112 |
91 |
106 |
85 |
100 |
79 |
94 |
73 |
88 |
67 |
82 |
59 |
74 |
200 |
199.08 |
200.92 |
197.7 |
202.3 |
|
|
|
|
|
|
152.5 |
160 |
148.5 |
156 |
142 |
152 |
138 |
148 |
134 |
144 |
130 |
140 |
124 |
134 |
118 |
128 |
112 |
122 |
101 |
116 |
95 |
110 |
89 |
104 |
83 |
98 |
77 |
92 |
69 |
84 |
220 |
217.7 |
222.3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
125 |
135 |
119 |
129 |
108 |
123 |
102 |
117 |
96 |
111 |
90 |
105 |
84 |
99 |
76 |
91 |
240 |
237.7 |
242.3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
145 |
155 |
139 |
149 |
128 |
143 |
122 |
137 |
116 |
131 |
110 |
125 |
104 |
119 |
96 |
111 |
260 |
257.4 |
262.6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
165 |
175 |
159 |
169 |
148 |
163 |
142 |
157 |
136 |
151 |
130 |
145 |
124 |
139 |
116 |
131 |
280 |
277.4 |
282.6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
179 |
189 |
168 |
183 |
162 |
177 |
156 |
171 |
150 |
165 |
144 |
159 |
136 |
151 |
300 |
297.4 |
302.6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
199 |
209 |
188 |
203 |
182 |
197 |
176 |
191 |
170 |
185 |
164 |
179 |
156 |
171 |