Related Resources: hardware
Loading Capacities BS449 Bolt Grade 4.6
Engineering ANSI Hardware Design Data
Engineering Metric Hardware Design Data
Structural Stress Deflection Calculators, Equations
Loading Capacities of Ordinary Bolts per. BS449: Part 2 Bolt Grade 4.6
Related: Method and Equations of Analysis BS449: Part 2
Dia.
mm |
Tensile
Area mm2 |
Tension
Capacity @ 120 N/mm2 |
Shear
Capacity @ 80 N/mm2 |
Bolt Grade = 4.6
|
|||||||||||
Bearing Capacity of Bolts in kN for End Distance >= 2d
Bolt Bearing Strength = 250 N/mm2 Ply Bearing Strength: = 250 N/mm2 |
|||||||||||||||
Bearing (Ply) Thickness Passed Through, mm
|
|||||||||||||||
Shank
kN |
Threads
kN |
Single
kN |
Double
kN |
5
mm |
6
mm |
7
mm |
8
mm |
9
mm |
10
mm |
12.5
mm |
15
mm |
20
mm |
25
mm |
||
M 1.6
|
1.27
|
0.241
|
0.152
|
0.161
|
0.322
|
2.0
|
2.4
|
2.8
|
3.2
|
3.6
|
4.0
|
5.0
|
6.0
|
8.0
|
10.0
|
M 2
|
2.07
|
0.377
|
0.248
|
0.251
|
0.502
|
2.5
|
3.0
|
3.5
|
4.0
|
4.5
|
5.0
|
6.3
|
7.5
|
10.0
|
12.5
|
M 2.5
|
3.39
|
0.589
|
0.407
|
0.393
|
0.786
|
3.1
|
3.8
|
4.4
|
5.0
|
5.6
|
6.3
|
7.8
|
9.4
|
12.5
|
15.6
|
M 3
|
5.03
|
0.848
|
0.604
|
0.565
|
1.13
|
3.8
|
4.5
|
5.3
|
6.0
|
6.8
|
7.5
|
9.4
|
11.3
|
15.0
|
18.8
|
M 4
|
8.78
|
1.51
|
1.05
|
1.01
|
2.02
|
5.0
|
6.0
|
7.0
|
8.0
|
9.0
|
10.0
|
12.5
|
15.0
|
20.0
|
25.0
|
M 5
|
14.2
|
2.36
|
1.7
|
1.57
|
3.14
|
6.3
|
7.5
|
8.8
|
10.0
|
11.3
|
12.5
|
15.6
|
18.8
|
25.0
|
31.3
|
M 6
|
20.1
|
3.39
|
2.41
|
2.26
|
4.52
|
7.5
|
9.0
|
10.5
|
12.0
|
13.5
|
15.0
|
18.8
|
22.5
|
30.0
|
37.5
|
M 8
|
36.6
|
6.03
|
4.39
|
4.02
|
8.04
|
10.0
|
12.0
|
14.0
|
16.0
|
18.0
|
20.0
|
25.0
|
30.0
|
40.0
|
50.0
|
M 10
|
58
|
9.42
|
6.96
|
6.28
|
12.56
|
12.5
|
15.0
|
17.5
|
20.0
|
22.5
|
25.0
|
31.3
|
37.5
|
50.0
|
62.5
|
M 12
|
84.3
|
13.6
|
10.1
|
9.05
|
18.1
|
15.0
|
18.0
|
21.0
|
24.0
|
27.0
|
30.0
|
37.5
|
45.0
|
60.0
|
75.0
|
(M 14)
|
115
|
18.5
|
13.8
|
12.3
|
24.6
|
17.5
|
21.0
|
24.5
|
28.0
|
31.5
|
35.0
|
43.8
|
52.5
|
70.0
|
87.5
|
M 16
|
157
|
24.1
|
18.8
|
16.1
|
32.2
|
20.0
|
24.0
|
28.0
|
32.0
|
36.0
|
40.0
|
50.0
|
60.0
|
80.0
|
100.0
|
(M 18)
|
192
|
30.5
|
23
|
20.4
|
40.8
|
22.5
|
27.0
|
31.5
|
36.0
|
40.5
|
45.0
|
56.3
|
67.5
|
90.0
|
112.5
|
M 20
|
245
|
37.7
|
29.4
|
25.1
|
50.2
|
25.0
|
30.0
|
35.0
|
40.0
|
45.0
|
50.0
|
62.5
|
75.0
|
100.0
|
125.0
|
(M 22)
|
303
|
45.6
|
36.4
|
30.4
|
60.8
|
27.5
|
33.0
|
38.5
|
44.0
|
49.5
|
55.0
|
68.8
|
82.5
|
110.0
|
137.5
|
M 24
|
353
|
54.3
|
42.4
|
36.2
|
72.4
|
30.0
|
36.0
|
42.0
|
48.0
|
54.0
|
60.0
|
75.0
|
90.0
|
120.0
|
150.0
|
(M 27)
|
459
|
68.7
|
55.1
|
45.8
|
91.6
|
33.8
|
40.5
|
47.3
|
54.0
|
60.8
|
67.5
|
84.4
|
101.3
|
135.0
|
168.8
|
M 30
|
561
|
84.8
|
67.3
|
56.5
|
113
|
37.5
|
45.0
|
52.5
|
60.0
|
67.5
|
75.0
|
93.8
|
112.5
|
150.0
|
187.5
|
(M 33)
|
694
|
102.6
|
83.3
|
68.4
|
136.8
|
41.3
|
49.5
|
57.8
|
66.0
|
74.3
|
82.5
|
103.1
|
123.8
|
165.0
|
206.3
|
M 36
|
817
|
122.1
|
98
|
81.4
|
162.8
|
45.0
|
54.0
|
63.0
|
72.0
|
81.0
|
90.0
|
112.5
|
135.0
|
180.0
|
225.0
|
(M 39)
|
976
|
143.4
|
117.1
|
95.6
|
191.2
|
48.8
|
58.5
|
68.3
|
78.0
|
87.8
|
97.5
|
121.9
|
146.3
|
195.0
|
243.8
|
M 42
|
1120
|
166.3
|
134.4
|
110.8
|
221.6
|
52.5
|
63.0
|
73.5
|
84.0
|
94.5
|
105.0
|
131.3
|
157.5
|
210.0
|
262.5
|
(M 45)
|
1300
|
190.9
|
156
|
127.2
|
254.4
|
56.3
|
67.5
|
78.8
|
90.0
|
101.3
|
112.5
|
140.6
|
168.8
|
225.0
|
281.3
|
M 48
|
1470
|
217.1
|
176.4
|
144.8
|
289.6
|
60.0
|
72.0
|
84.0
|
96.0
|
108.0
|
120.0
|
150.0
|
180.0
|
240.0
|
300.0
|
(M 52)
|
1760
|
254.8
|
211.2
|
169.9
|
339.8
|
65.0
|
78.0
|
91.0
|
104.0
|
117.0
|
130.0
|
162.5
|
195.0
|
260.0
|
325.0
|
M 56
|
2030
|
295.6
|
243.6
|
197
|
394
|
70.0
|
84.0
|
98.0
|
112.0
|
126.0
|
140.0
|
175.0
|
210.0
|
280.0
|
350.0
|
(M 60)
|
2360
|
339.3
|
283.2
|
226.2
|
452.4
|
75.0
|
90.0
|
105.0
|
120.0
|
135.0
|
150.0
|
187.5
|
225.0
|
300.0
|
375.0
|
M 64
|
2680
|
386
|
321.6
|
257.4
|
514.8
|
80.0
|
96.0
|
112.0
|
128.0
|
144.0
|
160.0
|
200.0
|
240.0
|
320.0
|
400.0
|
(M 68)
|
3060
|
435.8
|
367.2
|
290.5
|
581
|
85.0
|
102.0
|
119.0
|
136.0
|
153.0
|
170.0
|
212.5
|
255.0
|
340.0
|
425.0
|
Notes:
Font/Color Key:
(Red): Bearing Critical;
(Black): Bearing > Single Shear;
(Green): Bearing > Double Shear
Sizes given within (brackets) are non-preferred