Washer
DIN 440 R
DIN 440 R - Washers with round hole for timber constructions
Outdated standardExtra large series washers with a round hole, product grade C, hardness class 100 HV, mainly for timber constructions. Superseded by DIN EN ISO 7094. Form V of DIN 440, with a square hole, is a separate standard and is not covered here.
| Product | Inner diameter, mm | Outer diameter, mm | Thickness, mm |
|---|---|---|---|
| DIN 440 R washer M5 | 5.5 | 18 | 2 |
| DIN 440 R washer M6 | 6.6 | 22 | 2 |
| DIN 440 R washer M8 | 9 | 28 | 3 |
| DIN 440 R washer M10 | 11 | 34 | 3 |
| DIN 440 R washer M12 | 13.5 | 44 | 4 |
| DIN 440 R washer M14 | 15.5 | 50 | 4 |
| DIN 440 R washer M16 | 17.5 | 56 | 5 |
| DIN 440 R washer M18 | 20 | 60 | 5 |
| DIN 440 R washer M20 | 22 | 72 | 6 |
| DIN 440 R washer M22 | 24 | 80 | 6 |
| DIN 440 R washer M24 | 26 | 85 | 6 |
| DIN 440 R washer M27 | 30 | 98 | 6 |
| DIN 440 R washer M30 | 33 | 105 | 6 |
| DIN 440 R washer M33 | 36 | 115 | 8 |
| DIN 440 R washer M36 | 39 | 125 | 8 |