Heavy bolts for bridge building and critical metal structures fastening
Purpose
Characteristics
Packaging and labeling
Packaging
Uncoated bolts (black) - wooden boxes of 50 kg. The boxes are made up on pallets. Net weight 600 kgGalvanized bolt (thermodiffusion zinc coating) – metal buckets with a handle of 30 kg of bolt kits (bolts, nuts, washers in the bucket). Buckets are made up on pallets. Net weight 640-700 kg
Specifications
Table 1 - Dimensions of cylindrical bolts, mm
|
Nominal thread diameter d |
Thread pitch |
Rod diameter or headrest |
Turnkey size S |
Head height K |
Headrest height h, at least |
The diameter of the circumscribed circle dw, at least |
Radius under the head r |
|
22 |
2,5 |
22 |
36 |
15,0 |
11 |
39,6 |
2,0-2,5 |
|
24 |
3,0 |
24 |
41 |
17,0 |
12 |
45,2 |
2,0-2,5 |
|
27 |
3,0 |
27 |
46 |
19,0 |
14 |
50,9 |
2,0-2,5 |
Table 2 - Length of bolts and threads, mm
|
Nominal thread diameter d |
Thread length b at normal rod length l |
|||||||||||||
|
|
60 |
65 |
70 |
75 |
80 |
85 |
90 |
95 |
100 |
110 |
120 |
130 |
140 |
150 |
|
22 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
|
24 |
50 |
54 |
54 |
54 |
54 |
54 |
54 |
54 |
54 |
54 |
54 |
54 |
54 |
54 |
|
27 |
- |
- |
60 |
60 |
60 |
60 |
60 |
60 |
60 |
60 |
60 |
60 |
60 |
60 |
|
Note - Maximum deviation of thread length |
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