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JB/ZQ 4363-2006
Masonry and foundation bolts-Type A
Nom
P
b max
b min
L1 max
L1 min
L2 max
L2 min
M8
1.25
22.5
20
27
21
50
40
M10
1.5
28
25
33
27
60
50
M12
1.75
33.5
30
39
33
70
60
M16
2
44
40
51
45
90
80
M20
2.5
55
50
63
57
110
100
M24
3
66
60
78
72
130
120
M30
3.5
82
75
98
92
160
150
M36
4
98
90
118
112
195
185
M42
4.5
114
105
138
132
225
215
M48
5
130
120
158
152
255
245
M56
5.5
151
140
183
177
295
285
M64
6
172
160
203
197
340
330
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