{
 "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": "strut-u-z-fittings-post-bases",
 "name": "Strut U fittings, Z fittings and post bases, 1-5/8 in: B116-12 U-support",
 "kind": "standard",
 "category": "Hardware",
 "group": "Framing",
 "year": null,
 "question": "What are the dimensions of the B-Line B116 U-shaped strut fitting?",
 "tags": [
  "strut",
  "unistrut",
  "u fitting",
  "post base",
  "strut fitting"
 ],
 "aliases": [
  "b116 u support",
  "strut u fitting dimensions",
  "b279 post base",
  "strut z fitting"
 ],
 "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/strut-u-z-fittings-post-bases/",
 "sheet_txt": "https://xemstudio.com/objects/strut-u-z-fittings-post-bases/sheet.txt",
 "sheet": {
  "basis": "Distributor listing of B-Line B116-12ZN; leg and hole drawings could not be read, numbers only, no file",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Listed: 3 holes, 5-7/16 in long, 1-5/8 in wide, 1/4 in thick, 9/16 in holes, depth 2-7/16 in (the listing's own label; the listing also contradicts itself on width, so treat as unconfirmed).",
   "Z fittings and post bases (B279, B280, B281A families) show 3/4 in holes in the catalog, but the hole pattern per part number could not be matched, so nothing is published."
  ],
  "table": {
   "columns": [
    "part",
    "holes",
    "length",
    "width",
    "depth",
    "thickness",
    "hole"
   ],
   "rows": [
    [
     "B116-12",
     "3",
     "5-7/16 in (138.1 mm)",
     "1-5/8 in (41.3 mm)",
     "2-7/16 in (61.9 mm)",
     "1/4 in (6.4 mm)",
     "9/16 in (14.3 mm)"
    ]
   ]
  }
 },
 "sheet_text": "Strut U fittings, Z fittings and post bases, 1-5/8 in: B116-12 U-support — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/strut-u-z-fittings-post-bases/  (sheet CC BY 4.0)\nBasis: Distributor listing of B-Line B116-12ZN; leg and hole drawings could not be read, numbers only, no file\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Listed: 3 holes, 5-7/16 in long, 1-5/8 in wide, 1/4 in thick, 9/16 in holes, depth 2-7/16 in (the listing's own label; the listing also contradicts itself on width, so treat as unconfirmed).\n- Z fittings and post bases (B279, B280, B281A families) show 3/4 in holes in the catalog, but the hole pattern per part number could not be matched, so nothing is published.\n\npart  holes  length  width  depth  thickness  hole\nB116-12  3  5-7/16 in (138.1 mm)  1-5/8 in (41.3 mm)  2-7/16 in (61.9 mm)  1/4 in (6.4 mm)  9/16 in (14.3 mm)\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Eaton B-Line: B-Line series strut systems: Strut fittings catalog section (flat plate, 90° angle, U, Z fittings, post bases) — web — Publisher's page; dimensions are facts — https://www.eaton.com/content/dam/eaton/products/support-systems/strut-systems-&-accessories/strut-fittings-and-accessories/strut-fittings-catalog-section.pdf\n- Steiner Electric (distributor): B-Line B116-12ZN 3-hole U-support: 5-7/16 in long, 1-5/8 in wide, 1/4 in — web — Publisher's page; dimensions are facts — https://steinerelectric.com/Catalog/ConduitFittings-And-Wireway/Cable-Trays-And-Struts/Strut-Channels-And-Accessories/Channel-U-Shaped-Fittings/B-Line-B116-12ZN-3-Hole-U-Support5-7-16-in-L-x-1-5-8-in-W-x-1-4-in-THKSteel-218807\n- McMaster-Carr: Strut channel fittings (free STEP/IGES per part, for your own design use; no redistribution) — STEP, IGES, PDF — McMaster-Carr site terms: personal design use, no redistribution [verify license at link] — https://www.mcmaster.com/products/strut-channel-fittings/\n\nNo true-size file yet: the published figures do not fix the whole shape; a measured scan is planned.\nAPI: https://xemstudio.com/api/geometry?object=strut-u-z-fittings-post-bases\n",
 "sources": [
  {
   "publisher": "Eaton B-Line",
   "title": "B-Line series strut systems: Strut fittings catalog section (flat plate, 90° angle, U, Z fittings, post bases)",
   "url": "https://www.eaton.com/content/dam/eaton/products/support-systems/strut-systems-&-accessories/strut-fittings-and-accessories/strut-fittings-catalog-section.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Steiner Electric (distributor)",
   "title": "B-Line B116-12ZN 3-hole U-support: 5-7/16 in long, 1-5/8 in wide, 1/4 in",
   "url": "https://steinerelectric.com/Catalog/ConduitFittings-And-Wireway/Cable-Trays-And-Struts/Strut-Channels-And-Accessories/Channel-U-Shaped-Fittings/B-Line-B116-12ZN-3-Hole-U-Support5-7-16-in-L-x-1-5-8-in-W-x-1-4-in-THKSteel-218807",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "McMaster-Carr",
   "title": "Strut channel fittings (free STEP/IGES per part, for your own design use; no redistribution)",
   "url": "https://www.mcmaster.com/products/strut-channel-fittings/",
   "formats": [
    "STEP",
    "IGES",
    "PDF"
   ],
   "license": "McMaster-Carr site terms: personal design use, no redistribution",
   "license_verified": false,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "strut-channel-1-5-8",
  "strut-channel-spring-nuts",
  "strut-flat-plate-fittings",
  "strut-angle-fittings"
 ],
 "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": "Does Xem have a strut post base file?",
   "a": "No: the hole pattern per part is not readable from the sources reachable."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/strut-u-z-fittings-post-bases/index.md"
}