{
 "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": "differential-screw-m8",
 "name": "Differential screw, M8×1.25 / M8×1 (concept rod)",
 "kind": "modern",
 "category": "Hardware",
 "group": "Mechanism parts",
 "year": null,
 "question": "What is a differential screw?",
 "tags": [
  "mechanism part",
  "linkage"
 ],
 "aliases": [
  "differential screw",
  "differential thread"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/differential-screw-m8/",
 "sheet_txt": "https://xemstudio.com/objects/differential-screw-m8/sheet.txt",
 "sheet": {
  "basis": "Xem Studio drawing",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "One rod with two threads of slightly different pitch (here 1.25 and 1.0 mm): turning it once moves one nut relative to the other by the difference, 0.25 mm."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "pitch A",
     "1.25 mm"
    ],
    [
     "pitch B",
     "1.0 mm"
    ],
    [
     "advance per turn",
     "0.25 mm"
    ]
   ]
  }
 },
 "sheet_text": "Differential screw, M8×1.25 / M8×1 (concept rod) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/differential-screw-m8/  (CC BY 4.0)\nBasis: Xem Studio drawing\nCatalog version: 2026-10-20\n\nSizes: see table below\n- One rod with two threads of slightly different pitch (here 1.25 and 1.0 mm): turning it once moves one nut relative to the other by the difference, 0.25 mm.\n\ndimension  value\npitch A  1.25 mm\npitch B  1.0 mm\nadvance per turn  0.25 mm\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Xem Studio: drawing — web — Publisher's page; dimensions are facts — https://xemstudio.com/objects/differential-screw-mechanism/\n\nXem Studio scan: not planned; the official CAD above covers it.\nAPI: https://xemstudio.com/api/geometry?object=differential-screw-m8\n",
 "sources": [
  {
   "publisher": "Xem Studio",
   "title": "drawing",
   "url": "https://xemstudio.com/objects/differential-screw-mechanism/",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "differential-screw-mechanism"
 ],
 "fits": [],
 "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": [],
 "faq": [
  {
   "q": "What is a differential screw?",
   "a": "One rod with two threads of slightly different pitch (here 1.25 and 1.0 mm): turning it once moves one nut relative to the other by the difference, 0.25 mm."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/differential-screw-m8/index.md"
}