Plain washer for high-strength structural bolting, hardened and tempered; ISO 7415:1984
ISO 7415:1984
General specifications
Application
for steel constructions
Thread diameter
16-30
Steel grade
C35E, 40Cr2
Type
normal, with increased diameter and thickness
Buy wholesale
Coating
- hot-dip galvanized coating
- zinc flake coating
Packing
16 kg pallet shrink-wrapped cardboard boxes
Reference Information
d | d1, mm |
d2, mm |
h, mm |
n, mm |
---|---|---|---|---|
M16 |
18,0*/18,43** |
32,4*/34,0** |
3,1*/4,6** |
1,6х45° |
M18 |
20,0*/20,43** |
37,9*/38,0** |
3,1*/4,6** |
1,6х45° |
M20 |
22,0*/22,52** |
40,4*/42,0** |
3,1*/4,6** |
2,0х45° |
M22 |
24,0*/24,52** |
42,4*/44,0** |
3,4*/4,6** |
2,0х45° |
M24 |
26,0*/26,52** |
48,4*/50,0** |
3,4*/4,6** |
2,0х45° |
M27 |
30,0*/30,52** |
54,1*/56,0** |
3,4*/4,6** |
2,4х45° |
M30 |
33,0*/33,62** |
58,1*/60,0** |
3,4*/4,6** |
2,4х45° |
Dimensions for washers with increased diameter and thickness
d | d1, mm |
d2, mm |
h, mm |
n, mm |
---|---|---|---|---|
M16 |
18,0*/19,0** |
32,4*/37,0** |
3,4*/4,6** |
1,6х45° |
M18 |
20,0*/21,0** |
37,9*/39,0** |
3,4*/4,6** |
1,6х45° |
M20 |
22,0*/23,0** |
40,4*/44,0** |
4,4*/5,6** |
2,0х45° |
M22 |
24,0*/25,0** |
42,4*/50,0** |
4,4*/5,6** |
2,0х45° |
M24 |
26,0*/27,0** |
48,4*/56,0** |
4,4*/5,6** |
2,0х45° |
M27 |
30,0*/31,0** |
54,1*/66,0** |
4,4*/5,6** |
2,4х45° |
M30 |
33,0*/35,0** |
58,1*/38,0** |
5,4*/6,6** |
2,4х45° |
Weight per 1000 washers, kg
d | Weight |
---|---|
M16 |
23,6*/28,6** |
M18 | 29,6*/30,6** |
M20 |
36,3*/39,9** |
M22 |
38,6*/53,1** |
M24 |
51,7*/68,2** |
M27 |
63,4*/96,2** |
M30 |
71,2*/96,3** |
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 bolt for steel constructions for bolting assemblies for preloading. System HR. EN 14399-3:2005 . Thread diameter: M12-M30. Strength class: 8.8; 10.9. Coating: hot-dip galvanizing, zinc flake coating.
General-purpose flat washer. Equivalent to GOST 11371-78. Thread diameter: M16-M30. Coating: hot-dip galvanizing, zink-lamellar coating.