Key Clamps
Alvin Key Clamps are distributed worldwide from our extensive stocks. All Fisher Alvin products are manufactured to the highest quality using the finest materials and the most modern plant and machinery. Fisher Alvin has been manufacturing Alvin key clamps for over fifty years.
Please note that our ‘stock tube’ is of a galvanised finish, the black tube is shown for illustrative purposes only, we do offer a powder coating option if this is required.
Used to retain mesh panels within a guardrail. Used without the ‘horseshoe’ end they can secure other types of infill with a max. thickness of 10mm, such as perspex/plywood. Can be added to an existing structure. Space 450mm apart.
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 5 |
26.9 |
68 |
58 |
68 |
58 |
|
|
| 6 |
33.7 |
71 |
61 |
71 |
61 |
|
|
| 7 |
42.4 |
75 |
65 |
75 |
65 |
|
|
| 8 |
48.3 |
78 |
68 |
78 |
68 |
|
|
| 9 |
60.3 |
76 |
66 |
76 |
66 |
|
|
Used to retain mesh panels within a guardrail. Used without the ‘horseshoe’ end they can secure other types of infill with a max. thickness of 10mm, such as perspex/plywood. Can be added to an existing structure. Space 450mm apart.
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 5 |
26.9 |
68 |
58 |
68 |
58 |
|
|
| 6 |
33.7 |
71 |
61 |
71 |
61 |
|
|
| 7 |
42.4 |
75 |
65 |
75 |
65 |
|
|
| 8 |
48.3 |
78 |
68 |
78 |
68 |
|
|
| 9 |
60.3 |
76 |
66 |
76 |
66 |
|
|
Hex-key for fitting A78 socket screws
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 5 |
26.9 |
26 |
|
|
|
|
|
| 6 |
33.7 |
33 |
|
|
|
|
|
| 7 |
42.4 |
42 |
|
|
|
|
|
| 8 |
48.3 |
48 |
|
|
|
|
|
| 9 |
60.3 |
60 |
|
|
|
|
|
Electro-plated case hardened socket screws.
Two different thread sizes and some are slightly longer than others. Clamps are supplied with these fitted. If spares or replacements are required please provide type and size of clamp they are required for.
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 5 |
26.9 |
1 |
|
|
|
|
|
| 6 |
33.7 |
1 |
|
|
|
|
|
| 7 |
42.4 |
1 |
|
|
|
|
|
| 8 |
48.3 |
1 |
|
|
|
|
|
| 9 |
60.3 |
1 |
|
|
|
|
|
Used for the joint between the end post and the lower rail(s). Also can be used for the top ‘T’ joint. Tube cannot be joined in the top part of the ‘T’ use the G4 when this is required.
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 8 |
48.3 |
68 |
64 |
|
|
|
|
Used for the joint between the top rail and vertical post. Allows tubes to be joined in the top part of the ‘T’. Use the G22 to compliment this for the lower rail(s).
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 8 |
48.3 |
144 |
76 |
|
|
|
|
Used for the termination of the top rail to the vertical post at the starting point of the incline.
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 8 |
48.3 |
68 |
|
|
|
|
|
Provides a structural base plate for the vertical post. Due to the design this base plate can only be fixed down with the fixing holes in line with the applied load (i.e.90º to the rails.)
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 8 |
48.3 |
152 |
112 |
92 |
88 |
14 |
10 |
