DIN 7980
Kare Kesit Kalın Rondela
DIN 7980 – Spring lock washer for cylinder head screws
Eşdeğer Normlar : CSN 21740; PN 82008; UNI 4464A;
Kalite : Çelik / A2 304 / A4 316
| Anma Ölçüsü | d1 | d1 min. | d1 max. | d2 max. | s | s tolerans | h min. | h max. | r |
|---|---|---|---|---|---|---|---|---|---|
| M3 | 3 | 3.1 | 3.4 | 5.6 | 1 | ±0,1 | 2 | 2.36 | 0.2 |
| M3,5 | 3.5 | 3.6 | 3.9 | 6.1 | 1 | ±0,1 | 2 | 2.36 | 0.2 |
| M4 | 4 | 4.1 | 4.4 | 7 | 1.2 | ±0,1 | 2.4 | 2.83 | 0.2 |
| M5 | 5 | 5.1 | 5.4 | 8.8 | 1.6 | ±0,1 | 3.2 | 3.78 | 0.2 |
| M6 | 6 | 6.1 | 6.5 | 9.9 | 1.6 | ±0,1 | 3.2 | 3.78 | 0.3 |
| M8 | 8 | 8.1 | 8.5 | 12.7 | 2 | ±0,1 | 4 | 4.72 | 0.5 |
| M10 | 10 | 10.2 | 10.7 | 16 | 2.5 | ±0,15 | 5 | 5.9 | 0.8 |
| M12 | 12 | 12.2 | 12.7 | 18 | 2.5 | ±0,15 | 5 | 5.9 | 0.8 |
| M14 | 14 | 14.2 | 14.7 | 21.1 | 3 | ±0,2 | 6 | 7.1 | 1 |
| M16 | 16 | 16.2 | 17 | 24.4 | 3.5 | ±0,2 | 7 | 8.25 | 1 |
| M18 | 18 | 18.2 | 19 | 26.4 | 3.5 | ±0,2 | 7 | 8.25 | 1 |
| M20 | 20 | 20.2 | 21.2 | 30.6 | 4.5 | ±0,2 | 9 | 10.6 | 1 |
| M22 | 22 | 22.5 | 23.5 | 32.9 | 4.5 | ±0,2 | 9 | 10.6 | 1 |
| M24 | 24 | 24.5 | 25.5 | 35.9 | 5 | ±0,2 | 10 | 11.8 | 1.6 |
| M27 | 27 | 27.5 | 28.5 | 38.9 | 5 | ±0,2 | 10 | 11.8 | 1.6 |
| M30 | 30 | 30.5 | 31.7 | 44.1 | 6 | ±0,2 | 12 | 14.2 | 1.6 |
| M33 | 33 | 33.5 | 34.7 | 47.1 | 6 | ±0,2 | 12 | 14.2 | 1.6 |
| M36 | 36 | 36.5 | 37.7 | 52.2 | 7 | ±0,25 | 14 | 16.5 | 1.6 |
| M42 | 42 | 42.5 | 43.7 | 60.2 | 8 | ±0,25 | 16 | 18.9 | 2 |
| M48 | 48 | 49 | 50.5 | 67 | 8 | ±0,25 | 16 | 18.9 | 2 |
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