{
 "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": "2020-extrusion",
 "name": "2020 aluminum extrusion",
 "kind": "standard",
 "category": "Hardware",
 "group": "Framing",
 "year": null,
 "question": "What is the 2020 extrusion profile for brackets and T-nuts?",
 "tags": [
  "extrusion",
  "frame",
  "bracket",
  "t-slot"
 ],
 "aliases": [
  "2020",
  "20x20 extrusion",
  "t-slot 20"
 ],
 "overall_mm": {
  "length": null,
  "width": 20,
  "height": 20
 },
 "official_cad": false,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/2020-extrusion/",
 "sheet_txt": "https://xemstudio.com/objects/2020-extrusion/sheet.txt",
 "sheet": {
  "basis": "industry standard profile; two slot families",
  "overall_mm": {
   "length": null,
   "width": 20,
   "height": 20
  },
  "notes": [
   "20 × 20 mm square; slot opening 6 mm (European/Misumi style, the common 3D-printer frame) or 5.26 mm (8020 10-series); center bore ~Ø4.2 for M5 tapping.",
   "Design brackets to the 6 mm slot with M5 T-nuts unless the frame is 8020-series."
  ]
 },
 "sheet_text": "2020 aluminum extrusion — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/2020-extrusion/  (CC BY 4.0)\nBasis: industry standard profile; two slot families\nCatalog version: 2026-10-20\n\nOverall (mm): width 20, height 20\n- 20 × 20 mm square; slot opening 6 mm (European/Misumi style, the common 3D-printer frame) or 5.26 mm (8020 10-series); center bore ~Ø4.2 for M5 tapping.\n- Design brackets to the 6 mm slot with M5 T-nuts unless the frame is 8020-series.\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Wikipedia: T-slot structural framing — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/T-slot_structural_framing\n\nXem Studio scan: not needed; this is a published standard. The sheet is the geometry.\nAPI: https://xemstudio.com/api/geometry?object=2020-extrusion\n",
 "sources": [
  {
   "publisher": "Wikipedia",
   "title": "T-slot structural framing",
   "url": "https://en.wikipedia.org/wiki/T-slot_structural_framing",
   "formats": [
    "web"
   ],
   "license": "CC BY-SA 4.0 (text)",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "socket-head-cap-screws-metric",
  "hex-nuts-metric",
  "nema-17-stepper",
  "608-bearing"
 ],
 "faq": [
  {
   "q": "What is the slot width of 2020 extrusion?",
   "a": "6 mm for European/Misumi style (the common 3D-printer frame), 5.26 mm for 8020 10-series; center bore about Ø4.2 for M5 tapping."
  },
  {
   "q": "What T-nuts fit 2020 extrusion?",
   "a": "M5 T-nuts or drop-in/hammer nuts for the 6 mm slot; M3 and M4 T-nuts exist but M5 is standard."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/2020-extrusion/index.md"
}