Strut Fastener
| Grade Marking |
Nominal Size |
Proof Load |
Yield Str. |
Mechanical Properties
Tensile Str. |
Elong. % |
R.A. % |
Hardness Rockwell Min. |
Max. |
| A307
|
1/4″-4″
|
-
|
-
|
60 ksi min
|
18
|
-
|
B69
|
100
|
| B307 |
1/4″-4″
|
-
|
-
|
60-100 max
|
18
|
-
|
B69
|
B95
|
| L7 |
1/4″-2 1/2″
|
-
|
105
|
125
|
16
|
50
|
-
|
-
|
| Grade 36 |
1/2″-2″
|
-
|
36
|
58-80 max
|
23
|
40
|
-
|
-
|
| Grade 55 |
1/2″-2″
|
-
|
55
|
75-95 max
|
21
|
30
|
-
|
-
|
| Grade 105 |
1/2″-2″
|
-
|
105
|
125-150 max
|
15
|
45
|
-
|
-
|
| A449 |
1/4″-1″
|
85
|
92
|
120
|
14
|
35
|
C25
|
C34
|
| B7 |
1/2″-2 1/2″
|
-
|
105
|
125
|
16
|
50
|
-
|
C35
|
| Grade Marking |
Nominal Size |
Proof Load |
Yield Str. |
Mechanical Properties
Tensile Str. |
Elong. % |
R.A. % |
Hardness Rockwell Min. |
Max. |
| 4.8
|
M6 – M42
|
-
|
320-340
|
400-420
|
-
|
-
|
-
|
-
|
| 8.8 |
M6 – M42
|
-
|
-
|
800
|
-
|
-
|
20
|
23
|
| 10.9 |
M6-M42
|
-
|
-
|
1000
|
-
|
-
|
-
|
32
|
| Grade Marking |
Nominal Size |
Proof Load |
Yield Str. |
Mechanical Properties
Tensile Str. |
Elong. % |
R.A. % |
Hardness Rockwell Min. |
Max. |
|
B8
|
1/4″ – 2″
|
-
|
30
|
75
|
30
|
50
|
223
|
35
|
| B8M |
1/4″ – 2″
|
-
|
30
|
75
|
30
|
50
|
223
|
96
|
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