High Torque Spring Washer (-200 ~ 300℃)
| Item no. | Bolt size metric | D/mm ±１％ | d/mm±１％ | t/mm±１％ | H0/mm±１％ | Suggest to tight torque P/N.m |
| SY1401 | M8 | 15.0 | 8.40 | 1.50 | 1.7 | 22 |
| SY1402 | M10 | 19.00 | 10.50 | 2.00 | 2.25 | 35 |
| SY1403 | M12 | 22.00 | 12.50 | 2.5 | 2.75 | 50 |
| SY1404 | M14 | 26.00 | 14.50 | 2.50 | 2.80 | 70 |
| SY1405 | M16 | 30.00 | 16.80 | 3.00 | 3.40 | 110 |
| SY1406 | M18 | 34.00 | 18.80 | 3.50 | 3.45 | 140 |
| SY1407 | M20 | 38.00 | 20.80 | 4.00 | 4.45 | 220 |
| SY1408 | M22 | 42.00 | 22.80 | 4.00 | 4.55 | 300 |
| SY1409 | M24 | 46.00 | 24.80 | 4.50 | 5.1 | 390 |
| SY1410 | M27 | 52.00 | 27.80 | 4.50 | 5.2 | 550 |
| SY1411 | M30 | 56.00 | 30.80 | 5.00 | 5.75 | 650 |
| SY1412 | M32 | 60.00 | 32.80 | 5.00 | 5.85 | 750 |
| SY1413 | M36 | 68.00 | 36.80 | 6.00 | 6.90 | 960 |
| SY1414 | M38 | 72.00 | 38.80 | 6.00 | 7.30 | 1550 |
| SY1415 | M39 | 76.00 | 39.80 | 6.00 | 7.40 | 2260 |
| SY1416 | M42 | 80.00 | 43.00 | 6.00 | 7.70 | 3120 |
| SY1417 | M46 | 86.00 | 46.80 | 7.00 | 8.30 | 4270 |
| SY1418 | M48 | 92.00 | 49.00 | 8.00 | 9.50 | 5970 |
| SY1419 | M52 | 98.00 | 53.00 | 8.00 | 9.80 | 6900 |
| SY1420 | M56 | 112.00 | 57.00 | 8.00 | 9.80 | 7600 |
| SY1421 | M60 | 115.00 | 61.50 | 8.00 | 9.80 | 8300 |
| SY1422 | M64 | 120.00 | 65.50 | 9.00 | 11.00 | 9350 |
| SY1423 | M72 | 128.00 | 73.50 | 11.00 | 13.00 | 9530 |
| SY1424 | M82 | 156.00 | 83.50 | 13.00 | 15.50 | 10020 |