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Plain washers, small series, ISO 7092 / DIN 433: M1.6–M36 bore, outside diameter, thickness
What are the ISO 7092 / DIN 433 small washer dimensions, for example the M3 and M6 bore and outside diameter? · Standard part · basis: ISO 7092:2000 Table 1 preferred sizes (ISO preview via iTeh), cross-checked against JC Fasteners' ISO 7092 sheet and Industrial Products' ISO 7092 table
Also called: iso 7092 washer dimensions, din 433 washer size, m3 small washer od, m4 small washer 8 mm, small od washer for socket cap screw, m6 din 433 washer
Exact dimensions. Every file is drawn at true size with no tolerance added. The holes and pins that meet another part are listed below under Mating features, with the fit each joint needs; open those by your process's clearance before making the part. Mating features
- sizes
- 15 in table
Notes
- Small-series plain washer, product grade A, for cylindrical-head screws such as ISO 4762 socket caps. Columns: bore d1 nominal (= minimum), outside d2 nominal (= maximum), thickness h nominal. Preferred sizes only.
- Files are flat annuli at the nominal sizes; the standard allows no chamfer requirement on this series.
Plain washers, small series, ISO 7092 / DIN 433: M1.6–M36 bore… size chart
| thread | d1 (bore) | d2 (OD) | h |
|---|---|---|---|
| M1.6 | 1.7 | 3.5 | 0.3 |
| M2 | 2.2 | 4.5 | 0.3 |
| M2.5 | 2.7 | 5 | 0.5 |
| M3 | 3.2 | 6 | 0.5 |
| M4 | 4.3 | 8 | 0.5 |
| M5 | 5.3 | 9 | 1 |
| M6 | 6.4 | 11 | 1.6 |
| M8 | 8.4 | 15 | 1.6 |
| M10 | 10.5 | 18 | 1.6 |
| M12 | 13 | 20 | 2 |
| M16 | 17 | 28 | 2.5 |
| M20 | 21 | 34 | 3 |
| M24 | 25 | 39 | 4 |
| M30 | 31 | 50 | 4 |
| M36 | 37 | 60 | 5 |
Mating features
Drawn at the exact size. Open press, slide, run and socket features by your process's clearance (tolerances by process); leave designed gaps and clamp fits as drawn.
| feature | exact | mates with | fit | files |
|---|---|---|---|---|
| bore | d1: 1.7 (M1.6) to 37 (M36); M6 6.4 | screw shank, medium clearance | designed | all |
| outside | d2: 3.5 (M1.6) to 60 (M36); M6 11 | counterbore floor under cheese / socket heads: counterbore Ø ≥ d2 | designed | all |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| ISO (iTeh preview) | ISO 7092:2000 Table 1, preferred dimensions | web | Publisher's page; dimensions are facts |
| fasten.it | DIN EN ISO 7092 plain washers, small series: d1, d2, h | web | Publisher's page; dimensions are facts |
| fasteners.eu | ISO 7092 table: d1, d2, h by thread size | web | Publisher's page; dimensions are facts |
Free files
★ Free files 15 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json
| iso7092-m1p6 | ISO 7092 M1.6: Ø1.7 bore × Ø3.5 × 0.3 | STEP · STL |
| iso7092-m2 | ISO 7092 M2: Ø2.2 bore × Ø4.5 × 0.3 | STEP · STL |
| iso7092-m2p5 | ISO 7092 M2.5: Ø2.7 bore × Ø5 × 0.5 | STEP · STL |
| iso7092-m3 | ISO 7092 M3: Ø3.2 bore × Ø6 × 0.5 | STEP · STL |
| iso7092-m4 | ISO 7092 M4: Ø4.3 bore × Ø8 × 0.5 | STEP · STL |
| iso7092-m5 | ISO 7092 M5: Ø5.3 bore × Ø9 × 1 | STEP · STL |
| iso7092-m6 | ISO 7092 M6: Ø6.4 bore × Ø11 × 1.6 | STEP · STL |
| iso7092-m8 | ISO 7092 M8: Ø8.4 bore × Ø15 × 1.6 | STEP · STL |
| iso7092-m10 | ISO 7092 M10: Ø10.5 bore × Ø18 × 1.6 | STEP · STL |
| iso7092-m12 | ISO 7092 M12: Ø13 bore × Ø20 × 2 | STEP · STL |
| iso7092-m16 | ISO 7092 M16: Ø17 bore × Ø28 × 2.5 | STEP · STL |
| iso7092-m20 | ISO 7092 M20: Ø21 bore × Ø34 × 3 | STEP · STL |
| iso7092-m24 | ISO 7092 M24: Ø25 bore × Ø39 × 4 | STEP · STL |
| iso7092-m30 | ISO 7092 M30: Ø31 bore × Ø50 × 4 | STEP · STL |
| iso7092-m36 | ISO 7092 M36: Ø37 bore × Ø60 × 5 | STEP · STL |
https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.Plain text: sheet.txt · JSON: /api/geometry?object=plain-washers-small-series-iso-7092

Fits with




Questions
What size is an M6 small-series washer?
ISO 7092 (DIN 433) M6: 6.4 mm bore, 11 mm outside diameter, 1.6 mm thick.
How is ISO 7092 different from a normal M3 washer?
The small series has a smaller outside diameter for cheese and socket heads: M3 is 3.2 × 6 × 0.5 mm.