{
 "version": "2026-10-20",
 "license": "Dimension sheets are written by Xem Studio from the cited sources and are free to use (CC BY 4.0, attribute 'Xem Studio'). Linked files belong to their publishers under the license shown; Xem Studio does not host them. 'license_verified: false' means the license shown is from memory or the publisher's page as last read and should be confirmed at the link before commercial use.",
 "slug": "e-clips-din-6799",
 "name": "E-clips DIN 6799 for Ø2 to Ø10 shafts",
 "kind": "hardware",
 "category": "Hardware",
 "group": "Motion",
 "year": null,
 "question": "What groove does an E-clip for a 5 mm shaft need?",
 "tags": [
  "e-clip",
  "din 6799",
  "retaining ring",
  "shaft groove",
  "clip",
  "stirling",
  "long earth society"
 ],
 "aliases": [
  "e clip groove dimensions",
  "din 6799",
  "e clip 5mm groove",
  "e clip sizes",
  "retaining washer groove"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": true,
 "free_files": 7,
 "url": "https://xemstudio.com/objects/e-clips-din-6799/",
 "sheet_txt": "https://xemstudio.com/objects/e-clips-din-6799/sheet.txt",
 "sheet": {
  "basis": "DIN 6799 retaining washers: groove Ø and width per shaft Ø; clip thickness per the standard",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "An open E-shaped washer that snaps sideways into a shaft groove. The clip bore is the groove Ø; its OD is 2.2 × the shaft Ø and the opening is 0.9 × the groove Ø wide.",
   "Groove Ø × width (clip thickness) by shaft: 2 → 1.4 × 0.4 (0.4); 3 → 2.3 × 0.5 (0.5); 4 → 3.2 × 0.7 (0.6); 5 → 4.0 × 0.7 (0.6); 6 → 5.0 × 0.7 (0.7); 8 → 6.0 × 0.9 (0.8); 10 → 8.0 × 1.1 (1.0).",
   "The groove itself is drawn on shaft-5x80-grooved (Ø4.0 × 0.7)."
  ],
  "table": {
   "columns": [
    "file",
    "shaft Ø",
    "groove Ø",
    "groove width",
    "clip thickness",
    "clip OD"
   ],
   "rows": [
    [
     "eclip-2mm",
     2,
     1.4,
     0.4,
     0.4,
     4.4
    ],
    [
     "eclip-3mm",
     3,
     2.3,
     0.5,
     0.5,
     6.6
    ],
    [
     "eclip-4mm",
     4,
     3.2,
     0.7,
     0.6,
     8.8
    ],
    [
     "eclip-5mm",
     5,
     4,
     0.7,
     0.6,
     11
    ],
    [
     "eclip-6mm",
     6,
     5,
     0.7,
     0.7,
     13.2
    ],
    [
     "eclip-8mm",
     8,
     6,
     0.9,
     0.8,
     17.6
    ],
    [
     "eclip-10mm",
     10,
     8,
     1.1,
     1,
     22
    ]
   ]
  }
 },
 "sheet_text": "E-clips DIN 6799 for Ø2 to Ø10 shafts — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/e-clips-din-6799/  (CC BY 4.0)\nBasis: DIN 6799 retaining washers: groove Ø and width per shaft Ø; clip thickness per the standard\nCatalog version: 2026-10-20\n\nSizes: see table below\n- An open E-shaped washer that snaps sideways into a shaft groove. The clip bore is the groove Ø; its OD is 2.2 × the shaft Ø and the opening is 0.9 × the groove Ø wide.\n- Groove Ø × width (clip thickness) by shaft: 2 → 1.4 × 0.4 (0.4); 3 → 2.3 × 0.5 (0.5); 4 → 3.2 × 0.7 (0.6); 5 → 4.0 × 0.7 (0.6); 6 → 5.0 × 0.7 (0.7); 8 → 6.0 × 0.9 (0.8); 10 → 8.0 × 1.1 (1.0).\n- The groove itself is drawn on shaft-5x80-grooved (Ø4.0 × 0.7).\n\nfile  shaft Ø  groove Ø  groove width  clip thickness  clip OD\neclip-2mm  2  1.4  0.4  0.4  4.4\neclip-3mm  3  2.3  0.5  0.5  6.6\neclip-4mm  4  3.2  0.7  0.6  8.8\neclip-5mm  5  4.0  0.7  0.6  11.0\neclip-6mm  6  5.0  0.7  0.7  13.2\neclip-8mm  8  6.0  0.9  0.8  17.6\neclip-10mm  10  8.0  1.1  1.0  22.0\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Wikipedia: Circlip — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/Circlip\n- Wikipedia: Retaining ring — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/Retaining_ring\n- McMaster-Carr: Shaft collars (free STEP per part, for your own design use; no redistribution) — STEP, PDF — McMaster-Carr site terms [verify license at link] — https://www.mcmaster.com/products/shaft-collars/\n- McMaster-Carr: Retaining rings (free STEP per part, for your own design use; no redistribution) — STEP, PDF — McMaster-Carr site terms [verify license at link] — https://www.mcmaster.com/products/retaining-rings/\n- Long Earth Society: Engine and rig builds — web, video — LES site — https://longearthsociety.com/engineering/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 7 parts): https://xemstudio.com/files/hardware/e-clips-din-6799/index.json\nAPI: https://xemstudio.com/api/geometry?object=e-clips-din-6799\n",
 "sources": [
  {
   "publisher": "Wikipedia",
   "title": "Circlip",
   "url": "https://en.wikipedia.org/wiki/Circlip",
   "formats": [
    "web"
   ],
   "license": "CC BY-SA 4.0 (text)",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Wikipedia",
   "title": "Retaining ring",
   "url": "https://en.wikipedia.org/wiki/Retaining_ring",
   "formats": [
    "web"
   ],
   "license": "CC BY-SA 4.0 (text)",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "McMaster-Carr",
   "title": "Shaft collars (free STEP per part, for your own design use; no redistribution)",
   "url": "https://www.mcmaster.com/products/shaft-collars/",
   "formats": [
    "STEP",
    "PDF"
   ],
   "license": "McMaster-Carr site terms",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "McMaster-Carr",
   "title": "Retaining rings (free STEP per part, for your own design use; no redistribution)",
   "url": "https://www.mcmaster.com/products/retaining-rings/",
   "formats": [
    "STEP",
    "PDF"
   ],
   "license": "McMaster-Carr site terms",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "Long Earth Society",
   "title": "Engine and rig builds",
   "url": "https://longearthsociety.com/engineering/",
   "formats": [
    "web",
    "video"
   ],
   "license": "LES site",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "metric-shafts",
  "circlips-din-471",
  "shaft-collars",
  "ball-bearings-metric"
 ],
 "fits": [
  {
   "role": "Goes in or on",
   "items": [
    {
     "slug": "metric-shafts",
     "why": "groove on shaft-5x80-grooved (Ø4.0 × 0.7)"
    }
   ]
  },
  {
   "role": "Alternatives",
   "items": [
    {
     "slug": "circlips-din-471",
     "why": "ring with lugs, full groove"
    },
    {
     "slug": "shaft-collars",
     "why": "set-screw collar, no groove"
    }
   ]
  }
 ],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. 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.",
 "mating": [
  {
   "feature": "E-clip bore",
   "exact": "groove Ø (DIN 6799)",
   "mates": "shaft groove",
   "fit": "designed",
   "files": "eclip-"
  }
 ],
 "fit_classes": {
  "press": "stays put: pin, tube, bearing or magnet held by interference. Typical FDM: hole +0.0 to +0.1 mm on diameter.",
  "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. Typical FDM: +0.2 mm.",
  "run": "turns or slides in use: pin in a link, rod through a guide. Typical FDM: +0.3 mm.",
  "socket": "large sliding fit: syringe barrel, sleeve, bobbin in a bore. Typical FDM: +0.3 mm.",
  "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 groove size for an E-clip on a 5 mm shaft?",
   "a": "Ø4.0 groove, 0.7 wide (DIN 6799); the clip is 0.6 thick."
  },
  {
   "q": "What groove for an E-clip on a 3 mm shaft?",
   "a": "Ø2.3 × 0.5; the clip is 0.5 thick."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "eclip-2mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/shaft-collars-clips-and-shafts/eclip-2mm.step",
   "stl": "https://xemstudio.com/files/hardware/shaft-collars-clips-and-shafts/eclip-2mm.stl",
   "note": "DIN 6799 E-clip for Ø2 shaft: groove Ø1.4 × 0.4 wide"
  },
  {
   "file": "eclip-3mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/shaft-collars-clips-and-shafts/eclip-3mm.step",
   "stl": "https://xemstudio.com/files/hardware/shaft-collars-clips-and-shafts/eclip-3mm.stl",
   "note": "DIN 6799 E-clip for Ø3 shaft: groove Ø2.3 × 0.5 wide"
  },
  {
   "file": "eclip-4mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/shaft-collars-clips-and-shafts/eclip-4mm.step",
   "stl": "https://xemstudio.com/files/hardware/shaft-collars-clips-and-shafts/eclip-4mm.stl",
   "note": "DIN 6799 E-clip for Ø4 shaft: groove Ø3.2 × 0.7 wide"
  },
  {
   "file": "eclip-5mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/shaft-collars-clips-and-shafts/eclip-5mm.step",
   "stl": "https://xemstudio.com/files/hardware/shaft-collars-clips-and-shafts/eclip-5mm.stl",
   "note": "DIN 6799 E-clip for Ø5 shaft: groove Ø4.0 × 0.7 wide"
  },
  {
   "file": "eclip-6mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/shaft-collars-clips-and-shafts/eclip-6mm.step",
   "stl": "https://xemstudio.com/files/hardware/shaft-collars-clips-and-shafts/eclip-6mm.stl",
   "note": "DIN 6799 E-clip for Ø6 shaft: groove Ø5.0 × 0.7 wide"
  },
  {
   "file": "eclip-8mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/shaft-collars-clips-and-shafts/eclip-8mm.step",
   "stl": "https://xemstudio.com/files/hardware/shaft-collars-clips-and-shafts/eclip-8mm.stl",
   "note": "DIN 6799 E-clip for Ø8 shaft: groove Ø6.0 × 0.9 wide"
  },
  {
   "file": "eclip-10mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/shaft-collars-clips-and-shafts/eclip-10mm.step",
   "stl": "https://xemstudio.com/files/hardware/shaft-collars-clips-and-shafts/eclip-10mm.stl",
   "note": "DIN 6799 E-clip for Ø10 shaft: groove Ø8.0 × 1.1 wide"
  }
 ],
 "markdown": "https://xemstudio.com/objects/e-clips-din-6799/index.md"
}