{
 "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-angle-fittings",
 "name": "Strut 90° angle fittings, 1-5/8 in: B101 and B104 corner angles",
 "kind": "standard",
 "category": "Hardware",
 "group": "Framing",
 "year": null,
 "question": "What are the dimensions of B-Line B101 and B104 strut corner angles?",
 "tags": [
  "strut",
  "unistrut",
  "angle",
  "corner angle",
  "bracket",
  "strut fitting"
 ],
 "aliases": [
  "b104 dimensions",
  "b101 corner angle",
  "unistrut p2000 angle",
  "strut 90 degree angle dimensions",
  "strut corner angle size"
 ],
 "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-angle-fittings/",
 "sheet_txt": "https://xemstudio.com/objects/strut-angle-fittings/sheet.txt",
 "sheet": {
  "basis": "Distributor listings of B-Line catalog numbers; the B-Line section prints leg and hole drawings that could not be read here, so numbers only, no file",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "The listings give one length, the width, a depth and the hole count, not each leg's length or which holes sit on which leg, so no file is drawn (it would mean inventing the layout). Hole 9/16 in; 1-7/8 in spacing and 13/16 in from an end are the general fitting numbers.",
   "Gusseted angles are not listed here: gusset dimensions were not available."
  ],
  "table": {
   "columns": [
    "part",
    "holes",
    "length",
    "width",
    "depth",
    "thickness",
    "hole"
   ],
   "rows": [
    [
     "B101",
     "2",
     "2-5/16 in (58.7 mm)",
     "1-5/8 in (41.3 mm)",
     "1-5/8 in (41.3 mm)",
     "7/32 in (5.6 mm)",
     "9/16 in (14.3 mm)"
    ],
    [
     "B104",
     "4",
     "4-1/8 in (104.8 mm)",
     "3-1/2 in (88.9 mm)",
     "3-1/2 in (88.9 mm)",
     "7/32 in (5.6 mm)",
     "9/16 in (14.3 mm)"
    ]
   ]
  }
 },
 "sheet_text": "Strut 90° angle fittings, 1-5/8 in: B101 and B104 corner angles — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/strut-angle-fittings/  (sheet CC BY 4.0)\nBasis: Distributor listings of B-Line catalog numbers; the B-Line section prints leg and hole drawings that could not be read here, so numbers only, no file\nCatalog version: 2026-10-20\n\nSizes: see table below\n- The listings give one length, the width, a depth and the hole count, not each leg's length or which holes sit on which leg, so no file is drawn (it would mean inventing the layout). Hole 9/16 in; 1-7/8 in spacing and 13/16 in from an end are the general fitting numbers.\n- Gusseted angles are not listed here: gusset dimensions were not available.\n\npart  holes  length  width  depth  thickness  hole\nB101  2  2-5/16 in (58.7 mm)  1-5/8 in (41.3 mm)  1-5/8 in (41.3 mm)  7/32 in (5.6 mm)  9/16 in (14.3 mm)\nB104  4  4-1/8 in (104.8 mm)  3-1/2 in (88.9 mm)  3-1/2 in (88.9 mm)  7/32 in (5.6 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- Gerrie Electric (distributor): B-Line B101ZN 90° corner angle: 2 holes, 2-5/16 x 1-5/8 x 1-5/8 in, 7/32 in — web — Publisher's page; dimensions are facts — https://www.gerrie.com/Product/B-Line-B101ZN\n- Gerrie Electric (distributor): B-Line B104ZN 90° corner angle: 4 holes, 4-1/8 x 3-1/2 x 3-1/2 in, 7/32 in, 9/16 in holes — web — Publisher's page; dimensions are facts — https://www.gerrie.com/Product/B-Line-B104ZN\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-angle-fittings\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": "Gerrie Electric (distributor)",
   "title": "B-Line B101ZN 90° corner angle: 2 holes, 2-5/16 x 1-5/8 x 1-5/8 in, 7/32 in",
   "url": "https://www.gerrie.com/Product/B-Line-B101ZN",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Gerrie Electric (distributor)",
   "title": "B-Line B104ZN 90° corner angle: 4 holes, 4-1/8 x 3-1/2 x 3-1/2 in, 7/32 in, 9/16 in holes",
   "url": "https://www.gerrie.com/Product/B-Line-B104ZN",
   "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-u-z-fittings-post-bases"
 ],
 "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": "Are strut corner angles the same width as the channel?",
   "a": "Yes for B101, 1-5/8 in; B104 is a double-width 3-1/2 in angle."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/strut-angle-fittings/index.md"
}