Project Description
Spring washers (Split washer or spring lock washer)
Spring washer also named split washer or lock washer, is type of washer on which a ring split at one point and bent into a helical shape,which causes the washer to exert a spring force between the fastener’s head and the substrate, spring washer has axial flexibility and creates more friction to prevent loosening due to vibrations on the substrate.
Standard: DIN127B/ASME B18,21,1
Material: 65Mn quenched and tempered.
Stainless steel 30Cr13 0Cr18Ni9 tempered .
Surface: phosphated or plain .
Hardness: 392HV-513HV.
Elasticity:
Spring washer
Dimension in mm.
| Diameter | d | S(b) | H | m | ||||
| min | max | nom | min | max | min | max | < | |
| 2 | 2.1 | 2.35 | 0.5 | 0.42 | 0.58 | 1 | 1.25 | 0.25 |
| 2.5 | 2.6 | 2.85 | 0.65 | 0.57 | 0.73 | 1.3 | 1.63 | 0.33 |
| 3 | 3.1 | 3.4 | 0.8 | 0.7 | 0.9 | 1.6 | 2 | 0.4 |
| 4 | 4.1 | 4.4 | 1.1 | 1 | 1.2 | 2.2 | 2.75 | 0.55 |
| 5 | 5.1 | 5.4 | 1.3 | 1.2 | 1.4 | 2.6 | 3.25 | 0.65 |
| 6 | 6.1 | 6.68 | 1.6 | 1.5 | 1.7 | 3.2 | 4 | 0.8 |
| 8 | 8.1 | 8.68 | 2.1 | 2 | 2.2 | 4.2 | 5.25 | 1.05 |
| 10 | 10.2 | 10.9 | 2.6 | 2.45 | 2.75 | 5.2 | 6.5 | 1.3 |
| 12 | 12.2 | 12.9 | 3.1 | 2.95 | 3.25 | 6.2 | 7.75 | 1.55 |
| 14 | 14.2 | 14.9 | 3.6 | 3.4 | 3.8 | 7.2 | 9 | 1.8 |
| 16 | 16.2 | 16.9 | 4.1 | 3.9 | 4.3 | 8.2 | 10.25 | 2.05 |
| 18 | 18.2 | 19.04 | 4.5 | 4.3 | 4.7 | 9 | 11.25 | 2.25 |
| 20 | 20.2 | 21.04 | 5 | 4.8 | 5.2 | 10 | 12.5 | 2.5 |
| 22 | 22.5 | 23.34 | 5.5 | 5.3 | 5.7 | 11 | 13.75 | 2.75 |
| 24 | 24.5 | 25.5 | 6 | 5.8 | 6.2 | 12 | 15 | 3 |
| 27 | 27.5 | 28.5- | 6.8 | 6.5 | 7.1 | 13.6 | 17 | 3.4 |
| 30 | 30.5 | 31.5 | 7.5 | 7.2 | 7.8 | 15 | 18.75 | 3.75 |
| 33 | 33.5 | 34.7 | 8.5 | 8.2 | 8.8 | 17 | 21.25 | 4.25 |
| 36 | 36.5 | 37.7 | 9 | 8.7 | 9.3 | 18 | 22.5 | 4.5 |
| 39 | 39.5 | 40.7 | 10 | 9.7 | 10.3 | 20 | 25 | 5 |
| 42 | 42.5 | 43.7 | 10.5 | 10.2 | 10.8 | 21 | 26.25 | 5.25 |
| 45 | 45.5 | 46.7 | 11 | 10.7 | 11.3 | 22 | 27.5 | 5.5 |
| 48 | 48.5 | 49.7 | 12 | 11.7 | 12.3 | 24 | 30 | 6 |
