VDI3400 Surface Finishes Meter And Inch Comparison List
- EDM Mold Surface
- VDI 3400 Texture
- surface finish VDI 3400
- VDI texture mold standards
- VDI surface finish conversion
| VDI | Ra | Aa | VDI | Ra | Ra | |
| 3400 | µm | µinch | 3400 | µm | µinch | |
| 0 | 0.1 | 4 | 23 | 1.4 | 56 | |
| 1 | 0.112 | 4.48 | 24 | 1.6 | 64 | |
| 2 | 0.126 | 5.04 | 25 | 1.8 | 72 | |
| 3 | 0.14 | 5.6 | 26 | 2 | 80 | |
| 4 | 0.16 | 6.4 | 27 | 2.2 | 88 | |
| 5 | 0.18 | 7.2 | 28 | 2.5 | 100 | |
| 6 | 0.2 | 8 | 29 | 2.8 | 112 | |
| 7 | 0.22 | 8.8 | 30 | 3.2 | 128 | |
| 8 | 0.25 | 10 | 31 | 3.5 | 140 | |
| 9 | 0.28 | 11.2 | 32 | 4 | 160 | |
| 10 | 0.32 | 12.8 | 33 | 4.5 | 180 | |
| 1 1 | 0.35 | 14 | 34 | 5 | 200 | |
| 1 2 | 0.4 | 16 | 35 | 5.6 | 224 | |
| 13 | 0.45 | 18 | 36 | 6.3 | 252 | |
| 1 4 | 0.5 | 20 | 37 | 7 | 280 | |
| 15 | 0.56 | 22.4 | 38 | 8 | 320 | |
| 1 6 | 0.63 | 25.2 | 39 | 9 | 360 | |
| 1 7 | 0.7 | 28 | 40 | 10 | 400 | |
| 18 | 0.8 | 32 | 41 | 11.2 | 448 | |
| 1 9 | 0.9 | 36 | 42 | 12.6 | 504 | |
| 20 | 1 | 40 | 43 | 14 | 560 | |
| 21 | 1.12 | 44.8 | 44 | 16 | 640 | |
| 22 | 1.26 | 50.4 | 45 | 18 | 720 |
