Hexagon nut for high-strength structural bolting with large width across flats. ISO 4775:1984
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ISO 4775:1984
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General specifications
Application
for steel constructions
Thread diameter
M16-M30
Strength class
8, 10, 12
Steel grade
37Cr4
Type
1 (nominal height), 2 (reduced height)
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Coating
- hot-dip galvanized coating
- zinc flake coating
Packing
20 kg pallet shrink-wrapped cardboard boxes
Reference Information
d |
Pitch, P
|
S | e min |
m |
---|---|---|---|---|
M16 |
2,0 |
27,0*/26,2** | 29,6 |
17,1*/16,4** |
M18 |
2,5 |
30,0*/29,0** | 35,0 |
18,0*/16,9** |
M20 |
2,5 |
34,0*/33,0** |
37,29 |
20,7*/19,4** |
M22 |
2,5 |
36,0*/35,0** |
39,55 |
23,6*/22,3** |
M24 | 3,0 |
41,0*/40,0** |
45,2 |
24,2*/22,9** |
M27 |
3,0 |
46,0*/45,0** |
50,85 |
27,6*/26,3** |
M30 |
3,5 |
50,0*/49,0** |
55,37 |
30,7*/29,1** |
Dimensions (reduced height)
d |
Pitch, P
|
S | e min |
m |
---|---|---|---|---|
M16 |
2,0 |
27,0*/26,2** | 29,6 |
15,6*/14,5** |
M18 |
2,5 |
30,0*/29,0** | 35,0 |
16,6*/16,5** |
M20 |
2,5 |
34,0*/33,0** |
37,29 |
18,6*/17,5** |
M22 |
2,5 |
36,0*/35,0** |
39,55 |
19,7*/18,4** |
M24 | 3,0 |
41,0*/40,0** |
45,2 |
22,7*/21,4** |
M27 |
3,0 |
46,0*/45,0** |
50,85 |
24,7*/23,4** |
M30 |
3,5 |
50,0*/49,0** |
55,37 |
24,7*/23,4** |
Weight per 1000 nuts, kg
d | Weight |
---|---|
M16 |
56,0*/50,0** |
M18 | 72,0*/66,0** |
M20 |
89,0*/80,0** |
M22 |
130,0*/108,0** |
M24 |
183,0*/171,0** |
M27 |
224,0*/224,0** |
M30 |
266,0*/266,0** |
see also
High-strength hexagon bolt with large width across flats for for steel constructions.ISO 7411:1984. Thread diameter: M16-M30. Strength class: 8.8; 10.9; 12.9. Coating: hot-dip galvanizing, zinc flake coating.
High-strength hexagon nut with large width across flats for steel constructions of bridges. Equivalent to GOST R 53664-2009. Thread diameter: M22-M27. Tension from test load, N / mm2 (kgf / mm2) not less than 1245 (127) . Coating: no coating, hot-dip galvanizing, zinc flake coating.
Bolt for the assembly of engineering structures and artificial road structures of corrugated metal, resistant to corrosion damage (BERVEL Organization Standard). Thread diameter: M16, M20. Strength class: 5.6; 8.8; 10.9. Coating: hot-dip galvanizing.
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