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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

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