{
 "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": "continuous-piano-hinges",
 "name": "Continuous (piano) hinges: open width, thickness, pin diameter, knuckle length and standard lengths (Series 1000, Monroe list, McMaster-Carr options)",
 "kind": "standard",
 "category": "Hardware",
 "group": "Hinges & latches",
 "year": null,
 "question": "What open widths, thicknesses, pin diameters and lengths do piano (continuous) hinges come in?",
 "tags": [
  "piano hinge",
  "continuous hinge",
  "hinge",
  "open width",
  "pin diameter",
  "knuckle",
  "tool"
 ],
 "aliases": [
  "piano hinge dimensions",
  "continuous hinge sizes",
  "piano hinge open width",
  "piano hinge thickness gauge",
  "1-1/2 inch piano hinge",
  "continuous hinge pin diameter",
  "6 ft piano hinge",
  "piano hinge hole spacing"
 ],
 "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/continuous-piano-hinges/",
 "sheet_txt": "https://xemstudio.com/objects/continuous-piano-hinges/sheet.txt",
 "sheet": {
  "basis": "Hinge Outlet's Series 1000 steel piano hinge listing, 25 rows of Monroe Engineering's standard continuous hinge list, and the option lists of McMaster-Carr's steel continuous hinge page; numbers only",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Hinge Outlet Series 1000 (steel): open widths 1-1/16 in (26.99 mm), 1-1/4 in (31.75 mm), 1-1/2 in (38.10 mm), 2 in (50.80 mm); thickness 0.040 in (1.02 mm); pin Ø0.091 in (2.31 mm); knuckle length 1/2 in (12.70 mm); lengths 6 ft and 8 ft. The listing prints no knuckle diameter, hole size, hole spacing or hole count (the description is cut off at 'Leaves are').",
   "Monroe Engineering rows (25 of 1000 in the distributor list; aluminum except one unspecified): item, length (TBD means 'to be determined' on the list), knuckle length, overall open width, pin diameter and 'thickness gauge'. The list prints no unit for the thickness gauge and no hole data; the values are shown as printed (for example 0.12 and 3/16 for the thick aluminum hinges, 0.025 to 0.075 for thin ones), and are likely inches, but the page does not say so.",
   "McMaster-Carr's page is a filter panel, so it lists option values, not per-part rows: overall width 3/4 to 6 in, lengths 12, 24, 36 in and 4 to 8 ft, leaf thickness bins (under 0.125 in, 0.125–0.249 in, 0.25–0.499 in), pin diameters 1/16 to 5/8 in, knuckle lengths 1/4 to 2 in, mounting screw sizes No. 3 to 5/16 in, and 26 knuckle diameters from 0.113 to 1.125 in (shown last). Hole diameter and center-to-center spacing are not on that page. 'With holes, with slots, without holes' are the mounting-hole options.",
   "A hole pattern (hole Ø and pitch) was not published in any source read, so none is shown. Door and cabinet butt hinges are on butt-hinges-sizes-and-leaf-widths; the 35 mm concealed hinge on cup-hinge-35mm. No file: without hole data, a hinge drawing would be invented. McMaster-Carr sells steel, aluminum, brass and MS 20001 continuous hinges with per-part STEP; linked, not copied."
  ],
  "table": {
   "columns": [
    "source",
    "open width",
    "thickness / leaf",
    "pin Ø",
    "knuckle length",
    "length",
    "material / notes"
   ],
   "rows": [
    [
     "Hinge Outlet Series 1000 (steel)",
     "1-1/16, 1-1/4, 1-1/2 and 2 in open",
     "0.040 in",
     "0.091 in",
     "1/2 in",
     "6 ft, 8 ft",
     "—"
    ],
    [
     "Monroe Engineering 6416-E7",
     "1-1/4 in open",
     "0.06 (gauge as printed)",
     "3/16 in",
     "1/2 in",
     "TBD",
     "specify"
    ],
    [
     "Monroe Engineering 6418-B",
     "2 in open",
     "0.025 (gauge as printed)",
     "0.12 in",
     "1/2 in",
     "6 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering 641Q-F",
     "3 in open",
     "0.06 (gauge as printed)",
     "0.12 in",
     "1/2 in",
     "6 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering 6438-E",
     "4 in open",
     "0.06 (gauge as printed)",
     "0.12 in",
     "1/2 in",
     "6 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering 8007-E",
     "1-1/16 in open",
     "0.12 (gauge as printed)",
     "0.091 in",
     "1/2 in",
     "6 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering 8007-E7",
     "1-1/2 in open",
     "0.12 (gauge as printed)",
     "0.091 in",
     "1/2 in",
     "6 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering 8011-E",
     "1-1/4 in open",
     "0.12 (gauge as printed)",
     "0.091 in",
     "1/2 in",
     "6 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering 8011-E7",
     "2 in open",
     "0.12 (gauge as printed)",
     "0.091 in",
     "1/2 in",
     "6 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering 8013-E",
     "1-1/2 in open",
     "0.12 (gauge as printed)",
     "0.12 in",
     "1/2 in",
     "6 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering 8013-E7",
     "1-1/4 in open",
     "0.12 (gauge as printed)",
     "0.12 in",
     "1/2 in",
     "6 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering 8014-E7",
     "2 in open",
     "0.12 (gauge as printed)",
     "0.12 in",
     "1/2 in",
     "6 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering 801Q-F",
     "1-1/16 in open",
     "3/16 (gauge as printed)",
     "0.12 in",
     "1/2 in",
     "6 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering 8038-E",
     "1-1/4 in open",
     "3/16 (gauge as printed)",
     "0.12 in",
     "1/2 in",
     "6 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering 9611-E",
     "1-1/2 in open",
     "3/16 (gauge as printed)",
     "0.12 in",
     "1/2 in",
     "6 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering 9638-E",
     "1-3/4 in open",
     "3/16 (gauge as printed)",
     "0.12 in",
     "1/2 in",
     "6 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering A-1222-A",
     "4 in open",
     "0.072 (gauge as printed)",
     "3/16 in",
     "1/2 in",
     "TBD",
     "aluminum"
    ],
    [
     "Monroe Engineering A-1614-B",
     "2-1/2 in open",
     "0.075 (gauge as printed)",
     "3/16 in",
     "1/2 in",
     "3 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering A-1622-A",
     "2 in open",
     "0.075 (gauge as printed)",
     "3/16 in",
     "1/2 in",
     "3 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering A-162414",
     "3 in open",
     "0.075 (gauge as printed)",
     "3/16 in",
     "1/2 in",
     "3 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering A-1718-A",
     "2-1/2 in open",
     "0.075 (gauge as printed)",
     "3/16 in",
     "1/2 in",
     "4 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering A-1718-B",
     "2 in open",
     "0.075 (gauge as printed)",
     "3/16 in",
     "1/2 in",
     "4 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering A-2014-B",
     "3 in open",
     "0.075 (gauge as printed)",
     "3/16 in",
     "1/2 in",
     "4 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering A-2018-A",
     "2-1/2 in open",
     "0.075 (gauge as printed)",
     "3/16 in",
     "1/2 in",
     "5 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering A-2414-B",
     "2 in open",
     "0.075 (gauge as printed)",
     "3/16 in",
     "1/2 in",
     "5 ft",
     "aluminum"
    ],
    [
     "Monroe Engineering A-2416-B",
     "3 in open",
     "0.075 (gauge as printed)",
     "3/16 in",
     "1/2 in",
     "5 ft",
     "aluminum"
    ],
    [
     "McMaster-Carr steel continuous (piano) hinges: option lists",
     "overall width: 3/4, 1, 1-1/16, 1-1/4, 1-1/2, 1-3/4, 2, 2-1/2, 3, 3-1/2, 3-3/4, 4, 4-1/2, 5, 6 in",
     "leaf thickness bins: under 0.125 in; 0.125–0.249 in; 0.25–0.499 in",
     "1/16, 5/64, 3/32, 1/8, 3/16, 1/4, 3/8, 1/2, 5/8 in",
     "1/4, 1/2, 5/8, 1, 1-1/2, 2 in",
     "12, 24, 36 in; 4, 5, 6, 7, 8 ft",
     "mounting screws No. 3, 4, 5, 6, 8, 10, 1/4, 5/16 in"
    ],
    [
     "McMaster-Carr: knuckle diameter options (in)",
     "0.113, 0.125, 0.148, 0.164, 0.174, 0.178, 0.187, 0.206, 0.225, 0.245, 0.249, 0.250, 0.308, 0.318, 0.337, 0.338, 0.394, 0.400, 0.43, 0.45, 0.49, 0.615, 0.740, 0.860, 0.874, 1.125",
     "—",
     "—",
     "—",
     "—",
     "—"
    ]
   ]
  }
 },
 "sheet_text": "Continuous (piano) hinges: open width, thickness, pin diameter, knuckle length and standard lengths (Series 1000, Monroe list, McMaster-Carr options) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/continuous-piano-hinges/  (sheet CC BY 4.0)\nBasis: Hinge Outlet's Series 1000 steel piano hinge listing, 25 rows of Monroe Engineering's standard continuous hinge list, and the option lists of McMaster-Carr's steel continuous hinge page; numbers only\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Hinge Outlet Series 1000 (steel): open widths 1-1/16 in (26.99 mm), 1-1/4 in (31.75 mm), 1-1/2 in (38.10 mm), 2 in (50.80 mm); thickness 0.040 in (1.02 mm); pin Ø0.091 in (2.31 mm); knuckle length 1/2 in (12.70 mm); lengths 6 ft and 8 ft. The listing prints no knuckle diameter, hole size, hole spacing or hole count (the description is cut off at 'Leaves are').\n- Monroe Engineering rows (25 of 1000 in the distributor list; aluminum except one unspecified): item, length (TBD means 'to be determined' on the list), knuckle length, overall open width, pin diameter and 'thickness gauge'. The list prints no unit for the thickness gauge and no hole data; the values are shown as printed (for example 0.12 and 3/16 for the thick aluminum hinges, 0.025 to 0.075 for thin ones), and are likely inches, but the page does not say so.\n- McMaster-Carr's page is a filter panel, so it lists option values, not per-part rows: overall width 3/4 to 6 in, lengths 12, 24, 36 in and 4 to 8 ft, leaf thickness bins (under 0.125 in, 0.125–0.249 in, 0.25–0.499 in), pin diameters 1/16 to 5/8 in, knuckle lengths 1/4 to 2 in, mounting screw sizes No. 3 to 5/16 in, and 26 knuckle diameters from 0.113 to 1.125 in (shown last). Hole diameter and center-to-center spacing are not on that page. 'With holes, with slots, without holes' are the mounting-hole options.\n- A hole pattern (hole Ø and pitch) was not published in any source read, so none is shown. Door and cabinet butt hinges are on butt-hinges-sizes-and-leaf-widths; the 35 mm concealed hinge on cup-hinge-35mm. No file: without hole data, a hinge drawing would be invented. McMaster-Carr sells steel, aluminum, brass and MS 20001 continuous hinges with per-part STEP; linked, not copied.\n\nsource  open width  thickness / leaf  pin Ø  knuckle length  length  material / notes\nHinge Outlet Series 1000 (steel)  1-1/16, 1-1/4, 1-1/2 and 2 in open  0.040 in  0.091 in  1/2 in  6 ft, 8 ft  —\nMonroe Engineering 6416-E7  1-1/4 in open  0.06 (gauge as printed)  3/16 in  1/2 in  TBD  specify\nMonroe Engineering 6418-B  2 in open  0.025 (gauge as printed)  0.12 in  1/2 in  6 ft  aluminum\nMonroe Engineering 641Q-F  3 in open  0.06 (gauge as printed)  0.12 in  1/2 in  6 ft  aluminum\nMonroe Engineering 6438-E  4 in open  0.06 (gauge as printed)  0.12 in  1/2 in  6 ft  aluminum\nMonroe Engineering 8007-E  1-1/16 in open  0.12 (gauge as printed)  0.091 in  1/2 in  6 ft  aluminum\nMonroe Engineering 8007-E7  1-1/2 in open  0.12 (gauge as printed)  0.091 in  1/2 in  6 ft  aluminum\nMonroe Engineering 8011-E  1-1/4 in open  0.12 (gauge as printed)  0.091 in  1/2 in  6 ft  aluminum\nMonroe Engineering 8011-E7  2 in open  0.12 (gauge as printed)  0.091 in  1/2 in  6 ft  aluminum\nMonroe Engineering 8013-E  1-1/2 in open  0.12 (gauge as printed)  0.12 in  1/2 in  6 ft  aluminum\nMonroe Engineering 8013-E7  1-1/4 in open  0.12 (gauge as printed)  0.12 in  1/2 in  6 ft  aluminum\nMonroe Engineering 8014-E7  2 in open  0.12 (gauge as printed)  0.12 in  1/2 in  6 ft  aluminum\nMonroe Engineering 801Q-F  1-1/16 in open  3/16 (gauge as printed)  0.12 in  1/2 in  6 ft  aluminum\nMonroe Engineering 8038-E  1-1/4 in open  3/16 (gauge as printed)  0.12 in  1/2 in  6 ft  aluminum\nMonroe Engineering 9611-E  1-1/2 in open  3/16 (gauge as printed)  0.12 in  1/2 in  6 ft  aluminum\nMonroe Engineering 9638-E  1-3/4 in open  3/16 (gauge as printed)  0.12 in  1/2 in  6 ft  aluminum\nMonroe Engineering A-1222-A  4 in open  0.072 (gauge as printed)  3/16 in  1/2 in  TBD  aluminum\nMonroe Engineering A-1614-B  2-1/2 in open  0.075 (gauge as printed)  3/16 in  1/2 in  3 ft  aluminum\nMonroe Engineering A-1622-A  2 in open  0.075 (gauge as printed)  3/16 in  1/2 in  3 ft  aluminum\nMonroe Engineering A-162414  3 in open  0.075 (gauge as printed)  3/16 in  1/2 in  3 ft  aluminum\nMonroe Engineering A-1718-A  2-1/2 in open  0.075 (gauge as printed)  3/16 in  1/2 in  4 ft  aluminum\nMonroe Engineering A-1718-B  2 in open  0.075 (gauge as printed)  3/16 in  1/2 in  4 ft  aluminum\nMonroe Engineering A-2014-B  3 in open  0.075 (gauge as printed)  3/16 in  1/2 in  4 ft  aluminum\nMonroe Engineering A-2018-A  2-1/2 in open  0.075 (gauge as printed)  3/16 in  1/2 in  5 ft  aluminum\nMonroe Engineering A-2414-B  2 in open  0.075 (gauge as printed)  3/16 in  1/2 in  5 ft  aluminum\nMonroe Engineering A-2416-B  3 in open  0.075 (gauge as printed)  3/16 in  1/2 in  5 ft  aluminum\nMcMaster-Carr steel continuous (piano) hinges: option lists  overall width: 3/4, 1, 1-1/16, 1-1/4, 1-1/2, 1-3/4, 2, 2-1/2, 3, 3-1/2, 3-3/4, 4, 4-1/2, 5, 6 in  leaf thickness bins: under 0.125 in; 0.125–0.249 in; 0.25–0.499 in  1/16, 5/64, 3/32, 1/8, 3/16, 1/4, 3/8, 1/2, 5/8 in  1/4, 1/2, 5/8, 1, 1-1/2, 2 in  12, 24, 36 in; 4, 5, 6, 7, 8 ft  mounting screws No. 3, 4, 5, 6, 8, 10, 1/4, 5/16 in\nMcMaster-Carr: knuckle diameter options (in)  0.113, 0.125, 0.148, 0.164, 0.174, 0.178, 0.187, 0.206, 0.225, 0.245, 0.249, 0.250, 0.308, 0.318, 0.337, 0.338, 0.394, 0.400, 0.43, 0.45, 0.49, 0.615, 0.740, 0.860, 0.874, 1.125  —  —  —  —  —\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Hinge Outlet: Steel continuous piano hinges, Series 1000: open widths 1-1/16, 1-1/4, 1-1/2, 2 in; thickness 0.040 in; pin Ø0.091 in; knuckle length 1/2 in; lengths 6 and 8 ft — web — Reseller product page; numbers only — https://www.hingeoutlet.com/products/steel-continuous-piano-hinges-series-1000-multiple-lengths-and-widths-available-sold-individually\n- Monroe Engineering: Standard continuous (piano) hinges list: item, length, material, knuckle length, overall open width, pin diameter, thickness gauge (25 of 1000 rows read) — web — Distributor catalog; numbers only. Thickness is printed as 'gauge' without a unit — https://catalog.onemonroehardware.com/viewitems/abe/standard-continous-piano\n- McMaster-Carr: Steel continuous (piano) hinges (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/steel-continuous-hinges\n- McMaster-Carr: Aluminum continuous hinges (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/aluminum-continuous-hinges\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=continuous-piano-hinges\n",
 "sources": [
  {
   "publisher": "Hinge Outlet",
   "title": "Steel continuous piano hinges, Series 1000: open widths 1-1/16, 1-1/4, 1-1/2, 2 in; thickness 0.040 in; pin Ø0.091 in; knuckle length 1/2 in; lengths 6 and 8 ft",
   "url": "https://www.hingeoutlet.com/products/steel-continuous-piano-hinges-series-1000-multiple-lengths-and-widths-available-sold-individually",
   "formats": [
    "web"
   ],
   "license": "Reseller product page; numbers only",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Monroe Engineering",
   "title": "Standard continuous (piano) hinges list: item, length, material, knuckle length, overall open width, pin diameter, thickness gauge (25 of 1000 rows read)",
   "url": "https://catalog.onemonroehardware.com/viewitems/abe/standard-continous-piano",
   "formats": [
    "web"
   ],
   "license": "Distributor catalog; numbers only. Thickness is printed as 'gauge' without a unit",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "McMaster-Carr",
   "title": "Steel continuous (piano) hinges (free STEP/IGES per part, for your own design use; no redistribution)",
   "url": "https://www.mcmaster.com/steel-continuous-hinges",
   "formats": [
    "STEP",
    "IGES",
    "PDF"
   ],
   "license": "McMaster-Carr site terms: personal design use, no redistribution",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "McMaster-Carr",
   "title": "Aluminum continuous hinges (free STEP/IGES per part, for your own design use; no redistribution)",
   "url": "https://www.mcmaster.com/aluminum-continuous-hinges",
   "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": [
  "butt-hinges-sizes-and-leaf-widths",
  "cup-hinge-35mm",
  "print-in-place-multi-knuckle-hinge",
  "living-hinge",
  "toggle-latches-gn-831-and-draw-latches"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no tolerance added)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no tolerance added. 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. Typical accuracy by process and ISO 286 fits: https://xemstudio.com/tolerances/",
 "mating": [],
 "faq": [
  {
   "q": "What open widths do steel Series 1000 piano hinges come in?",
   "a": "1-1/16, 1-1/4, 1-1/2 and 2 in, 0.040 in thick, Ø0.091 in pin, 1/2 in knuckle length, in 6 ft and 8 ft lengths."
  },
  {
   "q": "What is the hole spacing of a piano hinge?",
   "a": "Not published in the sources read; McMaster-Carr's page lists mounting screw sizes No. 3 to 5/16 in but no hole pitch."
  },
  {
   "q": "What pin diameters do piano hinges have?",
   "a": "McMaster-Carr lists 1/16, 5/64, 3/32, 1/8, 3/16, 1/4, 3/8, 1/2 and 5/8 in; Monroe's rows show 0.091, 0.12 and 3/16 in."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/continuous-piano-hinges/index.md"
}