{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "plain-washers-small-series-iso-7092",
 "name": "Plain washers, small series, ISO 7092 / DIN 433: M1.6–M36 bore, outside diameter, thickness",
 "kind": "standard",
 "category": "Hardware",
 "group": "Fasteners",
 "year": null,
 "question": "What are the ISO 7092 / DIN 433 small washer dimensions, for example the M3 and M6 bore and outside diameter?",
 "tags": [
  "iso 7092",
  "din 433",
  "small washer",
  "small series washer",
  "plain washer",
  "cheese head washer",
  "fastener"
 ],
 "aliases": [
  "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"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 15,
 "url": "https://xemstudio.com/objects/plain-washers-small-series-iso-7092/",
 "sheet_txt": "https://xemstudio.com/objects/plain-washers-small-series-iso-7092/sheet.txt",
 "sheet": {
  "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",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "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."
  ],
  "table": {
   "columns": [
    "thread",
    "d1 (bore)",
    "d2 (OD)",
    "h"
   ],
   "rows": [
    [
     "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"
    ]
   ]
  }
 },
 "sheet_text": "Plain washers, small series, ISO 7092 / DIN 433: M1.6–M36 bore, outside diameter, thickness — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/plain-washers-small-series-iso-7092/  (sheet CC BY 4.0)\nBasis: 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\nCatalog version: 2026-10-20\n\nSizes: see table below\n- 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.\n- Files are flat annuli at the nominal sizes; the standard allows no chamfer requirement on this series.\n\nthread  d1 (bore)  d2 (OD)  h\nM1.6  1.7  3.5  0.3\nM2  2.2  4.5  0.3\nM2.5  2.7  5  0.5\nM3  3.2  6  0.5\nM4  4.3  8  0.5\nM5  5.3  9  1\nM6  6.4  11  1.6\nM8  8.4  15  1.6\nM10  10.5  18  1.6\nM12  13  20  2\nM16  17  28  2.5\nM20  21  34  3\nM24  25  39  4\nM30  31  50  4\nM36  37  60  5\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- ISO (iTeh preview): ISO 7092:2000 Table 1, preferred dimensions — web — Publisher's page; dimensions are facts — https://cdn.standards.iteh.ai/samples/13674/95f610684c2649df8c45073e2ed6d085/ISO-7092-2000.pdf\n- fasten.it: DIN EN ISO 7092 plain washers, small series: d1, d2, h — web — Publisher's page; dimensions are facts — https://fasten.it/norms/norm/din_en_iso_7092\n- fasteners.eu: ISO 7092 table: d1, d2, h by thread size — web — Publisher's page; dimensions are facts — https://www.fasteners.eu/standards/ISO/7092/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 15 parts): https://xemstudio.com/files/hardware/plain-washers-small-series-iso-7092/index.json\nAPI: https://xemstudio.com/api/geometry?object=plain-washers-small-series-iso-7092\n",
 "sources": [
  {
   "publisher": "ISO (iTeh preview)",
   "title": "ISO 7092:2000 Table 1, preferred dimensions",
   "url": "https://cdn.standards.iteh.ai/samples/13674/95f610684c2649df8c45073e2ed6d085/ISO-7092-2000.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "fasten.it",
   "title": "DIN EN ISO 7092 plain washers, small series: d1, d2, h",
   "url": "https://fasten.it/norms/norm/din_en_iso_7092",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "fasteners.eu",
   "title": "ISO 7092 table: d1, d2, h by thread size",
   "url": "https://www.fasteners.eu/standards/ISO/7092/",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "flat-washers-metric",
  "flat-washers-metric-m10-m24",
  "large-washers-din-9021-iso-7093",
  "spring-lock-washers-din-127-b",
  "socket-head-cap-screws-metric"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no tolerance added)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no tolerance added. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn. Typical accuracy by process and ISO 286 fits: https://xemstudio.com/tolerances/",
 "mating": [
  {
   "feature": "bore",
   "exact": "d1: 1.7 (M1.6) to 37 (M36); M6 6.4",
   "mates": "screw shank, medium clearance",
   "fit": "designed",
   "files": "all"
  },
  {
   "feature": "outside",
   "exact": "d2: 3.5 (M1.6) to 60 (M36); M6 11",
   "mates": "counterbore floor under cheese / socket heads: counterbore Ø ≥ d2",
   "fit": "designed",
   "files": "all"
  }
 ],
 "fit_classes": {
  "press": "stays put: pin, tube, bearing or magnet held by interference. ISO 286 equivalent: H7/p6 (locational interference) or tighter.",
  "slide": "assembles by hand and is held by a grub, pinch or clamp: shaft in a hub, rod in a socket, spigot in a bore. ISO 286 equivalent: H7/g6 or H7/h6.",
  "run": "turns or slides in use: pin in a link, rod through a guide. ISO 286 equivalent: H8/f7 (close running).",
  "socket": "large sliding fit: syringe barrel, sleeve, bobbin in a bore. ISO 286 equivalent: H9/d9 (free running) or looser.",
  "clamp": "split part that closes on the mating part with screws: make it at size.",
  "designed": "a gap that is part of the design (piston fit option, displacer gap, air gap): do not change."
 },
 "faq": [
  {
   "q": "What size is an M6 small-series washer?",
   "a": "ISO 7092 (DIN 433) M6: 6.4 mm bore, 11 mm outside diameter, 1.6 mm thick."
  },
  {
   "q": "How is ISO 7092 different from a normal M3 washer?",
   "a": "The small series has a smaller outside diameter for cheese and socket heads: M3 is 3.2 × 6 × 0.5 mm."
  }
 ],
 "files_license": null,
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   "stl": "https://xemstudio.com/files/hardware/plain-washers-small-series-iso-7092/iso7092-m1p6.stl",
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   "stl": "https://xemstudio.com/files/hardware/plain-washers-small-series-iso-7092/iso7092-m2.stl",
   "note": "ISO 7092 M2: Ø2.2 bore × Ø4.5 × 0.3"
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   "stl": "https://xemstudio.com/files/hardware/plain-washers-small-series-iso-7092/iso7092-m2p5.stl",
   "note": "ISO 7092 M2.5: Ø2.7 bore × Ø5 × 0.5"
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   "note": "ISO 7092 M6: Ø6.4 bore × Ø11 × 1.6"
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   "stl": "https://xemstudio.com/files/hardware/plain-washers-small-series-iso-7092/iso7092-m8.stl",
   "note": "ISO 7092 M8: Ø8.4 bore × Ø15 × 1.6"
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   "stl": "https://xemstudio.com/files/hardware/plain-washers-small-series-iso-7092/iso7092-m10.stl",
   "note": "ISO 7092 M10: Ø10.5 bore × Ø18 × 1.6"
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   "note": "ISO 7092 M12: Ø13 bore × Ø20 × 2"
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   "stl": "https://xemstudio.com/files/hardware/plain-washers-small-series-iso-7092/iso7092-m16.stl",
   "note": "ISO 7092 M16: Ø17 bore × Ø28 × 2.5"
  },
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   "stl": "https://xemstudio.com/files/hardware/plain-washers-small-series-iso-7092/iso7092-m20.stl",
   "note": "ISO 7092 M20: Ø21 bore × Ø34 × 3"
  },
  {
   "file": "iso7092-m24",
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   "stl": "https://xemstudio.com/files/hardware/plain-washers-small-series-iso-7092/iso7092-m24.stl",
   "note": "ISO 7092 M24: Ø25 bore × Ø39 × 4"
  },
  {
   "file": "iso7092-m30",
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   "stl": "https://xemstudio.com/files/hardware/plain-washers-small-series-iso-7092/iso7092-m30.stl",
   "note": "ISO 7092 M30: Ø31 bore × Ø50 × 4"
  },
  {
   "file": "iso7092-m36",
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   "note": "ISO 7092 M36: Ø37 bore × Ø60 × 5"
  }
 ],
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}