DIN 6798 dimensions — Serrated Lock Washer
1988-07 edition, withdrawn as a document · 20 sizes, M1.6 – M30 · the part is still made and ordered to it see the cross-reference →
✓We supply to DIN 6798. Name it on your order — your drawing does not need changing.
DIN 6798 dimensions
| Thread size | d1Inner Diameter (mm) | d2Outer Diameter (mm) | hWasher Thickness (mm) | Clearance holefine / medium / coarse (mm) | Tap drillcoarse pitch (mm) |
|---|---|---|---|---|---|
| M1.6 | 1.7 | 3.6 | 0.3 | 1.7 / 1.8 / 2 | - |
| M2 | 2.2 | 4.5 | 0.3 | 2.2 / 2.4 / 2.6 | - |
| M2.5 | 2.7 | 5.5 | 0.4 | 2.7 / 2.9 / 3.1 | - |
| M3 | 3.2 | 6 | 0.4 | 3.2 / 3.4 / 3.6 | - |
| M3.5 | 3.7 | 7 | 0.5 | 3.7 / 3.9 / 4.2 | - |
| M4 | 4.3 | 8 | 0.5 | 4.3 / 4.5 / 4.8 | - |
| M5 | 5.3 | 10 | 0.6 | 5.3 / 5.5 / 5.8 | - |
| M6 | 6.4 | 11 | 0.7 | 6.4 / 6.6 / 7 | - |
| M7 | 7.4 | 12.5 | 0.8 | 7.4 / 7.6 / 8 | - |
| M8 | 8.4 | 15 | 0.8 | 8.4 / 9 / 10 | - |
| M10 | 10.5 | 18 | 0.9 | 10.5 / 11 / 12 | - |
| M12 | 13 | 20.5 | 1 | 13 / 13.5 / 14.5 | - |
| M14 | 15 | 24 | 1 | 15 / 15.5 / 16.5 | - |
| M16 | 17 | 26 | 1.2 | 17 / 17.5 / 18.5 | - |
| M18 | 19 | 30 | 1.4 | 19 / 20 / 21 | - |
| M20 | 21 | 33 | 1.4 | 21 / 22 / 24 | - |
| M22 | 23 | 36 | 1.5 | 23 / 24 / 26 | - |
| M24 | 25 | 38 | 1.5 | 25 / 26 / 28 | - |
| M27 | 28 | 44 | 1.6 | 28 / 30 / 32 | - |
| M30 | 31 | 48 | 1.6 | 31 / 33 / 35 | - |
20 of 20 sizes shown. Clearance holes are fine / medium / coarse to ISO 273; tap drill is for the coarse pitch.
What we supply to DIN 6798
2 materials| Material | Property class | Finish |
|---|---|---|
| Alloy Steel | — | Zinc Plated · Dacromet · Blackened · Plain |
| Stainless Steel | — | Plain · Passivated |
