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 carry handrails along walls or fix structures back to walls. Tube passes through in long lengths, can be joined using the A8 or A9. Can be slid down a post and used for connecting a kick plate. Also for fixing hoardings, signs etc.
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 5 |
26.9 |
76 |
57 |
55 |
45 |
8 |
5 |
| 6 |
33.7 |
92 |
65 |
58 |
48 |
10 |
10 |
| 7 |
42.4 |
112 |
84 |
60 |
48 |
10 |
10 |
| 8 |
48.3 |
112 |
80 |
68 |
54 |
10 |
10 |
This is a part component of the A44. It can be used on its own for the insertion of signs and hoardings within a tubular frame, the connection of chain and ‘D’ shackles and tensioning of yachting wire balustrades etc.
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 5 |
26.9 |
56 |
39 |
10 |
|
|
|
| 6 |
33.7 |
66 |
39 |
10 |
|
|
|
| 7 |
42.4 |
75 |
45 |
10 |
|
|
|
| 8 |
48.3 |
75 |
45 |
10 |
|
|
|
| 9 |
60.3 |
100 |
50 |
10 |
|
|
|
Similar to the A36 but with two eyelets. This is a part component of the A46.
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 5 |
26.9 |
112 |
38 |
10 |
|
|
|
| 6 |
33.7 |
123 |
43 |
10 |
|
|
|
| 7 |
42.4 |
134 |
47 |
10 |
|
|
|
| 8 |
48.3 |
142 |
51 |
10 |
|
|
|
| 9 |
60.3 |
160 |
56 |
10 |
|
|
|
Similar to the A38 but the two eyelets are at 90º. This is a part component of the A48.
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 5 |
26.9 |
38 |
10 |
|
|
|
|
| 6 |
33.7 |
46 |
10 |
|
|
|
|
| 7 |
42.4 |
48 |
10 |
|
|
|
|
| 8 |
48.3 |
54 |
10 |
|
|
|
|
Not generally used on their own. They are a part component of the A44, A46, A48 & A52.
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 5 |
26.9 |
61 |
25 |
10 |
12 |
|
|
| 6 |
33.7 |
61 |
25 |
10 |
12 |
|
|
| 7 |
42.4 |
70 |
25 |
10 |
12 |
|
|
| 8 |
48.3 |
77 |
25 |
10 |
12 |
|
|
| 9 |
60.3 |
94 |
36 |
10 |
12 |
|
|
A flexible variable angle connector. Used for an angled top rail connection to a post. Use if the angle required is not known. Also used as bracing struts for racking etc. Reducing combinations are available throughout the size range.
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 5 |
26.9 |
34 |
25 |
56 |
|
|
|
| 6 |
33.7 |
36 |
25 |
66 |
|
|
|
| 7 |
42.4 |
45 |
25 |
75 |
|
|
|
| 8 |
48.3 |
53 |
25 |
75 |
|
|
|
| 9 |
60.3 |
58 |
36 |
100 |
|
|
|
A flexible variable connection used for an angled lower rail(s) joint to a post. Changes horizontal rails to angled rails at top of ramp/stairs. Also as bracing struts for racking. Reducing combinations available throughout the size range.
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 5 |
26.9 |
38 |
25 |
26 |
|
|
|
| 6 |
33.7 |
43 |
25 |
36 |
|
|
|
| 7 |
42.4 |
47 |
25 |
45 |
|
|
|
| 8 |
48.3 |
51 |
25 |
53 |
|
|
|
| 9 |
60.3 |
56 |
36 |
58 |
|
|
|
A 90º flexible variable angled connector for posts on a corner. Changes horizontal rails to angled rails, at the top of a ramp/stairs. Use as bracing struts for racking etc. Reducing combinations available throughout the size range.
| Tube |
Ø |
A |
B |
C |
D |
E |
F |
| 5 |
26.9 |
25 |
61 |
99 |
|
|
|
| 6 |
33.7 |
25 |
61 |
107 |
|
|
|
| 7 |
42.4 |
25 |
70 |
118 |
|
|
|
| 8 |
48.3 |
25 |
78 |
132 |
|
|
|
