{
 "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": "t8-nut",
 "name": "T8 flange nut: Ø10.2 body, Ø22 flange, 4 × Ø3.5 on 16",
 "kind": "hardware",
 "category": "Hardware",
 "group": "Motion",
 "year": null,
 "question": "What are the T8 lead screw nut flange dimensions?",
 "tags": [
  "lead screw nut",
  "t8 nut",
  "flange nut",
  "z axis"
 ],
 "aliases": [
  "t8 nut dimensions",
  "t8 nut hole pattern",
  "leadscrew nut flange",
  "t8 nut step file"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/t8-nut/",
 "sheet_txt": "https://xemstudio.com/objects/t8-nut/sheet.txt",
 "sheet": {
  "basis": "Common catalogue T8 flange nut: Ø10.2 × 15 body, Ø22 × 3.5 flange, four Ø3.5 holes on a Ø16 circle",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "A Ø10.2 body 15 long with a Ø22 × 3.5 flange at one end (flange face flush with the body end).",
   "Four Ø3.5 holes (M3) on a Ø16 pitch circle, at 45° to the axes.",
   "Bore drawn at Ø8 (thread not drawn). A mount takes the body at Ø10.2 and the flange at Ø22 (see Mating features)."
  ],
  "table": {
   "columns": [
    "feature",
    "value_mm"
   ],
   "rows": [
    [
     "body",
     "Ø10.2 × 15"
    ],
    [
     "flange",
     "Ø22 × 3.5"
    ],
    [
     "holes",
     "4 × Ø3.5 on Ø16, 45°"
    ],
    [
     "bore",
     "Ø8 (Tr8×8)"
    ]
   ]
  }
 },
 "sheet_text": "T8 flange nut: Ø10.2 body, Ø22 flange, 4 × Ø3.5 on 16 — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/t8-nut/  (CC BY 4.0)\nBasis: Common catalogue T8 flange nut: Ø10.2 × 15 body, Ø22 × 3.5 flange, four Ø3.5 holes on a Ø16 circle\nCatalog version: 2026-10-20\n\nSizes: see table below\n- A Ø10.2 body 15 long with a Ø22 × 3.5 flange at one end (flange face flush with the body end).\n- Four Ø3.5 holes (M3) on a Ø16 pitch circle, at 45° to the axes.\n- Bore drawn at Ø8 (thread not drawn). A mount takes the body at Ø10.2 and the flange at Ø22 (see Mating features).\n\nfeature  value_mm\nbody  Ø10.2 × 15\nflange  Ø22 × 3.5\nholes  4 × Ø3.5 on Ø16, 45°\nbore  Ø8 (Tr8×8)\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Wikipedia: Leadscrew — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/Leadscrew\n- McMaster-Carr: Lead screws and nuts (free STEP/IGES/STL per part, for your own design use; no redistribution) — STEP, IGES, STL, PDF — McMaster-Carr site terms: personal design use, no redistribution [verify license at link] — https://www.mcmaster.com/products/lead-screws/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/t8-nut/index.json\nAPI: https://xemstudio.com/api/geometry?object=t8-nut\n",
 "sources": [
  {
   "publisher": "Wikipedia",
   "title": "Leadscrew",
   "url": "https://en.wikipedia.org/wiki/Leadscrew",
   "formats": [
    "web"
   ],
   "license": "CC BY-SA 4.0 (text)",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "McMaster-Carr",
   "title": "Lead screws and nuts (free STEP/IGES/STL per part, for your own design use; no redistribution)",
   "url": "https://www.mcmaster.com/products/lead-screws/",
   "formats": [
    "STEP",
    "IGES",
    "STL",
    "PDF"
   ],
   "license": "McMaster-Carr site terms: personal design use, no redistribution",
   "license_verified": false,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "t8-lead-screw",
  "socket-head-cap-screws-metric",
  "mgn-carriages"
 ],
 "fits": [
  {
   "role": "Connects to",
   "items": [
    {
     "slug": "t8-lead-screw",
     "why": "rides the Tr8×8 thread"
    }
   ]
  },
  {
   "role": "Also needed",
   "items": [
    {
     "slug": "socket-head-cap-screws-metric",
     "why": "4 × M3 through the flange"
    }
   ]
  }
 ],
 "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": "nut body",
   "exact": "Ø10.2",
   "mates": "mount bore",
   "fit": "slide",
   "files": "t8-flange-nut"
  },
  {
   "feature": "nut flange holes",
   "exact": "4 × Ø3.5 on 16 PCD",
   "mates": "M3 screws",
   "fit": "designed",
   "files": "t8-flange-nut"
  }
 ],
 "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 is the T8 nut hole pattern?",
   "a": "Four Ø3.5 holes (M3) on a Ø16 pitch circle at 45° to the axes; flange Ø22 × 3.5."
  },
  {
   "q": "What bore does a T8 nut mount need?",
   "a": "Ø10.2 for the body, with the Ø22 flange on the face."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "t8-flange-nut",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/lead-screw-t8/t8-flange-nut.step",
   "stl": "https://xemstudio.com/files/hardware/lead-screw-t8/t8-flange-nut.stl",
   "note": "T8 flange nut: Ø10.2 body, Ø22 flange 3.5 thick, 4 × Ø3.5 on 16 PCD, 15 long"
  }
 ],
 "markdown": "https://xemstudio.com/objects/t8-nut/index.md"
}