{
 "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": "du-bro-safety-lock-kwik-link-2-56",
 "name": "Du-Bro Safety Lock Kwik-Link 2-56 (DUB815)",
 "kind": "modern",
 "category": "RC planes",
 "group": "Linkage hardware",
 "year": null,
 "question": "What are the dimensions of the Du-Bro Safety Lock Kwik-Link 2-56?",
 "tags": [
  "rc plane",
  "rc airplane",
  "radio control",
  "model aircraft",
  "linkage hardware"
 ],
 "aliases": [
  "dubro kwik link 2-56",
  "kwik link dimensions",
  "dub815",
  "2-56 clevis size",
  "rc clevis length",
  "safety lock clevis",
  "horquilla 2-56",
  "gabelkopf 2-56"
 ],
 "overall_mm": {
  "length": 28.57,
  "width": 7.94,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/du-bro-safety-lock-kwik-link-2-56/",
 "sheet_txt": "https://xemstudio.com/objects/du-bro-safety-lock-kwik-link-2-56/sheet.txt",
 "sheet": {
  "basis": "Secondary source: HobbyEtc (retailer) (copy of the maker's figures; the maker publishes none directly)",
  "overall_mm": {
   "length": 28.57,
   "width": 7.94,
   "height": null
  },
  "notes": [
   "Retailer copy of Du-Bro data (secondary). Inch values converted to mm.",
   "True size, no printing tolerance added. Only published numbers are used; anything not published is said so.",
   "Secondary source: the numbers come from a retailer or magazine copy of the maker's specification."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "Thread",
     "2-56"
    ],
    [
     "Length",
     "1-1/8 in (28.58 mm)"
    ],
    [
     "Width",
     "5/16 in (7.94 mm)"
    ],
    [
     "Shank width",
     "3/16 in (4.76 mm)"
    ],
    [
     "Pin",
     "brass-plated stepped steel"
    ],
    [
     "Pin diameter",
     "not published"
    ]
   ]
  }
 },
 "sheet_text": "Du-Bro Safety Lock Kwik-Link 2-56 (DUB815) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/du-bro-safety-lock-kwik-link-2-56/  (sheet CC BY 4.0)\nBasis: Secondary source: HobbyEtc (retailer) (copy of the maker's figures; the maker publishes none directly)\nCatalog version: 2026-10-20\n\nOverall (mm): length 28.57, width 7.94\n- Retailer copy of Du-Bro data (secondary). Inch values converted to mm.\n- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.\n- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.\n\ndimension  value\nThread  2-56\nLength  1-1/8 in (28.58 mm)\nWidth  5/16 in (7.94 mm)\nShank width  3/16 in (4.76 mm)\nPin  brass-plated stepped steel\nPin diameter  not published\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- HobbyEtc (retailer): Safety Link Kwik Link 2-56 (2) — web — Publisher's page; dimensions are facts — https://store.hobbyetc.com/parts/view/18789\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/du-bro-safety-lock-kwik-link-2-56/index.json\nAPI: https://xemstudio.com/api/geometry?object=du-bro-safety-lock-kwik-link-2-56\n",
 "sources": [
  {
   "publisher": "HobbyEtc (retailer)",
   "title": "Safety Link Kwik Link 2-56 (2)",
   "url": "https://store.hobbyetc.com/parts/view/18789",
   "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": [
  "du-bro-2-56-threaded-rod-12in"
 ],
 "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 thread is the Kwik-Link DUB815?",
   "a": "2-56, on a 3/16 in square nylon shank."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "du-bro-safety-lock-kwik-link-2-56-plan-outline",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/du-bro-safety-lock-kwik-link-2-56/du-bro-safety-lock-kwik-link-2-56-plan-outline.step",
   "stl": "https://xemstudio.com/files/hardware/du-bro-safety-lock-kwik-link-2-56/du-bro-safety-lock-kwik-link-2-56-plan-outline.stl",
   "note": "Plan outline 28.57 × 7.94 mm, 1 mm reference thickness (height not published)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/du-bro-safety-lock-kwik-link-2-56/index.md"
}