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Countersunk head wood screw
Steel grade: St 10 kp.
Grade of accuracy: B.
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Performance 3 |
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Performance 4
Performance 4 is for screws with L<=22 |
| Screw sizes |
| Diameter of screw, mm |
d |
3,0 |
3,5 |
4,0 |
4,0 |
| Diameter of head, mm |
D |
5,6 |
6,5 |
7,4 |
7,4 |
| Height of head, mm (no more) |
k |
1,65 |
1,93 |
2,2 |
2,2 |
| Philips slot number |
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1 |
2 |
2 |
2 |
| Length of screw, mm |
L |
25 |
35 |
25-40 |
50, 60 |
| Length of thread |
b |
no more 0,6L |
| Performance |
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4 |
4 |
4 |
3 |
| Theoretical weight of 1000 pieces, kg |
| L |
d |
| 3,0 |
3,5 |
4,0 |
| 25 |
0,75 |
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1,46 |
| 30 |
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1,65 |
| 35 |
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1,58 |
1,94 |
| 40 |
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2,17 |
| 50 |
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2,70 |
| Packaging of screws in cardboard boxes |
| Size, mm |
Pure mass, kg |
Size, mm |
Pure mass, kg |
| 3,0×25 |
2,5 |
4,0×30 |
20 |
| 3,5×35 |
2,5 |
4,0×35 |
15 |
| 4,0×25 |
20 |
4,0×40 |
15 |
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4,0×50 |
10 |
- Other kinds of packing in cardboard boxes are available.
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