{
 "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": "1010-t-slot-extrusion-inch",
 "name": "1010 T-slot extrusion, 1 × 1 in (10-series inch)",
 "kind": "hardware",
 "category": "Hardware",
 "group": "Framing",
 "year": null,
 "question": "What are the exact dimensions of 1010 T-slot extrusion (1 × 1 in)?",
 "tags": [
  "extrusion",
  "t-slot",
  "aluminum extrusion",
  "frame",
  "1010",
  "1 in 10-series"
 ],
 "aliases": [
  "1010 extrusion step",
  "1010 extrusion dxf",
  "1010 extrusion dimensions",
  "1010 aluminum extrusion cad",
  "1x1 extrusion profile",
  "1010 t slot profile",
  "8020 1010 cad",
  "80/20 1010 dimensions",
  "1010 t-slot step file"
 ],
 "overall_mm": {
  "length": null,
  "width": 25.4,
  "height": 25.4
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 2,
 "url": "https://xemstudio.com/objects/1010-t-slot-extrusion-inch/",
 "sheet_txt": "https://xemstudio.com/objects/1010-t-slot-extrusion-inch/sheet.txt",
 "sheet": {
  "basis": "80/20 Inc. 10 series (1 in), from 80/20's dimensioned drawing of this profile; every slot, lip, cavity, bore and outline number is the drawing's",
  "overall_mm": {
   "length": null,
   "width": 25.4,
   "height": 25.4
  },
  "notes": [
   "1010 T-slot extrusion, 1 × 1 in (10-series inch): 1 × 1 in, 4 slots on a 1.000 in = 25.400 mm pitch (80/20 Inc. 10 series (1 in)). Source: 80/20's dimensioned drawing of this profile. Files: STEP and STL at 100, 1000 mm with square ends, and a DXF of the exact cross-section (mm), the master to extrude to any length. The section is centred on the origin and extruded along +Z from z = 0.",
   "Slot: opening 0.256 in = 6.502 mm, lip 0.087 in = 2.210 mm thick at the opening under a 2° drop-lock slope (0.093 in = 2.355 mm at the cavity wall), cavity 0.584 in = 14.834 mm wide under the lips, 0.323 in = 8.204 mm from the face to the cavity floor. Centre bore Ø0.205 in = 5.207 mm per cell (the largest thread whose tap drill fits inside: 1/4-20, 5.1 mm).",
   "Cavity side walls: the cavity is 0.584 in = 14.834 mm wide under the lips, then follows the diagonal webs (0.087 in = 2.210 mm thick, stated) down to the floor; the webs lie on the cell diagonals (45°), as drawn.",
   "The drawing does not dimension the outer corner radii, so the corners are square: a pocket cut from this file clears the real rounded corners. The small alignment grooves on the faces are not dimensioned and are left off (the faces are flat).",
   "Wrapping it: to make a part that fits around the bar, subtract the 1000 mm file (or extrude the DXF) from your solid; the outline is the drawing's 1 × 1 in with no allowance, so open the pocket by your process's socket fit (see Mating features).",
   "Attachments: the 1 in 10-series T-nuts, end caps, feet, brackets, gussets, plates and slot covers are cut from these same numbers; the fit check (tools/asm_extrusion_fit.py) placed each one on this profile with zero overlap."
  ],
  "table": {
   "columns": [
    "feature",
    "size",
    "from"
   ],
   "rows": [
    [
     "outline",
     "1 × 1 in",
     "drawing"
    ],
    [
     "slot pitch",
     "1.000 in = 25.400 mm",
     "drawing"
    ],
    [
     "slot opening",
     "0.256 in = 6.502 mm",
     "drawing"
    ],
    [
     "lip thickness at the opening",
     "0.087 in = 2.210 mm",
     "drawing"
    ],
    [
     "lip underside slope (drop lock)",
     "2°",
     "maker's page"
    ],
    [
     "cavity width under the lips",
     "0.584 in = 14.834 mm",
     "drawing"
    ],
    [
     "face to cavity floor",
     "0.323 in = 8.204 mm",
     "drawing"
    ],
    [
     "cavity depth under the lip (at the cavity wall)",
     "0.230 in = 5.849 mm",
     "drawing"
    ],
    [
     "core between opposite floors",
     "0.354 in = 8.992 mm",
     "pitch − 2 × face-to-floor (the drawing's own core figure is 0.356 in)"
    ],
    [
     "diagonal web",
     "0.087 in = 2.210 mm",
     "drawing"
    ],
    [
     "centre bore",
     "Ø0.205 in = 5.207 mm × 1",
     "drawing"
    ],
    [
     "cross-section area",
     "0.437 in² (282 mm²)",
     "maker's page"
    ],
    [
     "weight",
     "0.0424 lb/in (0.5088 lb/ft; 0.757 kg/m)",
     "maker's page (ft and kg/m converted)"
    ],
    [
     "Ix / Iy",
     "0.0442 / 0.0442 in⁴",
     "maker's page"
    ],
    [
     "area of this model's section",
     "293.5 mm² (0.455 in²)",
     "computed from the DXF"
    ]
   ]
  }
 },
 "sheet_text": "1010 T-slot extrusion, 1 × 1 in (10-series inch) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/1010-t-slot-extrusion-inch/  (CC BY 4.0)\nBasis: 80/20 Inc. 10 series (1 in), from 80/20's dimensioned drawing of this profile; every slot, lip, cavity, bore and outline number is the drawing's\nCatalog version: 2026-10-20\n\nOverall (mm): width 25.4, height 25.4\n- 1010 T-slot extrusion, 1 × 1 in (10-series inch): 1 × 1 in, 4 slots on a 1.000 in = 25.400 mm pitch (80/20 Inc. 10 series (1 in)). Source: 80/20's dimensioned drawing of this profile. Files: STEP and STL at 100, 1000 mm with square ends, and a DXF of the exact cross-section (mm), the master to extrude to any length. The section is centred on the origin and extruded along +Z from z = 0.\n- Slot: opening 0.256 in = 6.502 mm, lip 0.087 in = 2.210 mm thick at the opening under a 2° drop-lock slope (0.093 in = 2.355 mm at the cavity wall), cavity 0.584 in = 14.834 mm wide under the lips, 0.323 in = 8.204 mm from the face to the cavity floor. Centre bore Ø0.205 in = 5.207 mm per cell (the largest thread whose tap drill fits inside: 1/4-20, 5.1 mm).\n- Cavity side walls: the cavity is 0.584 in = 14.834 mm wide under the lips, then follows the diagonal webs (0.087 in = 2.210 mm thick, stated) down to the floor; the webs lie on the cell diagonals (45°), as drawn.\n- The drawing does not dimension the outer corner radii, so the corners are square: a pocket cut from this file clears the real rounded corners. The small alignment grooves on the faces are not dimensioned and are left off (the faces are flat).\n- Wrapping it: to make a part that fits around the bar, subtract the 1000 mm file (or extrude the DXF) from your solid; the outline is the drawing's 1 × 1 in with no allowance, so open the pocket by your process's socket fit (see Mating features).\n- Attachments: the 1 in 10-series T-nuts, end caps, feet, brackets, gussets, plates and slot covers are cut from these same numbers; the fit check (tools/asm_extrusion_fit.py) placed each one on this profile with zero overlap.\n\nfeature  size  from\noutline  1 × 1 in  drawing\nslot pitch  1.000 in = 25.400 mm  drawing\nslot opening  0.256 in = 6.502 mm  drawing\nlip thickness at the opening  0.087 in = 2.210 mm  drawing\nlip underside slope (drop lock)  2°  maker's page\ncavity width under the lips  0.584 in = 14.834 mm  drawing\nface to cavity floor  0.323 in = 8.204 mm  drawing\ncavity depth under the lip (at the cavity wall)  0.230 in = 5.849 mm  drawing\ncore between opposite floors  0.354 in = 8.992 mm  pitch − 2 × face-to-floor (the drawing's own core figure is 0.356 in)\ndiagonal web  0.087 in = 2.210 mm  drawing\ncentre bore  Ø0.205 in = 5.207 mm × 1  drawing\ncross-section area  0.437 in² (282 mm²)  maker's page\nweight  0.0424 lb/in (0.5088 lb/ft; 0.757 kg/m)  maker's page (ft and kg/m converted)\nIx / Iy  0.0442 / 0.0442 in⁴  maker's page\narea of this model's section  293.5 mm² (0.455 in²)  computed from the DXF\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- 80/20 Inc.: 1010: 1.00 x 1.00 T-slotted profile, four open T-slots: product page with the cross-section drawing and section properties — web — 80/20 site terms [verify license at link] — https://8020.net/1010.html\n- 80/20 Inc.: 1010 dimensioned cross-section drawing — image — 80/20 site terms [verify license at link] — https://8020.net/media/catalog/product/1/0/1010_dimensional_4.jpg\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 2 parts): https://xemstudio.com/files/hardware/1010-t-slot-extrusion-inch/index.json\nAPI: https://xemstudio.com/api/geometry?object=1010-t-slot-extrusion-inch\n",
 "sources": [
  {
   "publisher": "80/20 Inc.",
   "title": "1010: 1.00 x 1.00 T-slotted profile, four open T-slots: product page with the cross-section drawing and section properties",
   "url": "https://8020.net/1010.html",
   "formats": [
    "web"
   ],
   "license": "80/20 site terms",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "80/20 Inc.",
   "title": "1010 dimensioned cross-section drawing",
   "url": "https://8020.net/media/catalog/product/1/0/1010_dimensional_4.jpg",
   "formats": [
    "image"
   ],
   "license": "80/20 site terms",
   "license_verified": false,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "1020-t-slot-extrusion-inch",
  "1030-t-slot-extrusion-inch",
  "2020-t-slot-extrusion-inch",
  "2040-t-slot-extrusion-inch",
  "slide-in-t-nuts",
  "drop-in-t-nuts",
  "t-slot-end-caps",
  "t-slot-corner-brackets"
 ],
 "fits": [
  {
   "role": "Parts that fit it",
   "items": [
    {
     "slug": "slide-in-t-nuts",
     "why": "tongue in the opening, body in the cavity (slide)"
    },
    {
     "slug": "drop-in-t-nuts",
     "why": "drops through the opening, turns 90° in the cavity"
    },
    {
     "slug": "t-slot-corner-brackets",
     "why": "legs flat on two profile faces at 90°"
    },
    {
     "slug": "t-slot-gussets",
     "why": "legs on two profile faces in the inside corner"
    },
    {
     "slug": "t-slot-covers",
     "why": "stem in the slot opening, barb behind the lips"
    },
    {
     "slug": "t-slot-feet",
     "why": "profile end in the socket (socket fit)"
    },
    {
     "slug": "t-slot-joining-plates",
     "why": "holes over the slot centrelines on the profile pitch"
    },
    {
     "slug": "t-slot-end-caps",
     "why": "end-cap-10in-1x1: pins in the centre bores (press)"
    }
   ]
  },
  {
   "role": "Alternatives",
   "items": [
    {
     "slug": "1020-t-slot-extrusion-inch",
     "why": "same 1 in 10-series slot, 1 × 2 in"
    },
    {
     "slug": "1030-t-slot-extrusion-inch",
     "why": "same 1 in 10-series slot, 1 × 3 in"
    },
    {
     "slug": "2020-t-slot-extrusion-inch",
     "why": "same 1 in 10-series slot, 2 × 2 in"
    }
   ]
  }
 ],
 "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": [
  {
   "feature": "slot opening",
   "exact": "0.256 in (6.50)",
   "mates": "T-nut tongue, slot-cover stem (1 in 10-series)",
   "fit": "slide",
   "files": "all"
  },
  {
   "feature": "slot cavity",
   "exact": "0.584 in (14.83) wide under the lips, face to floor 0.323 in (8.20), lip 0.087 in (2.21)",
   "mates": "T-nut body (slide-in, drop-in)",
   "fit": "slide",
   "files": "all"
  },
  {
   "feature": "centre bore",
   "exact": "Ø0.205 in (5.21)",
   "mates": "1/4-20 thread (tap drill 5.1); end-cap pin",
   "fit": "designed",
   "files": "all"
  },
  {
   "feature": "outline",
   "exact": "1 × 1 in, square corners",
   "mates": "end-cap outline, foot socket, a pocket that wraps the bar",
   "fit": "socket",
   "files": "all"
  }
 ],
 "fit_classes": {
  "press": "stays put: pin, tube, bearing or magnet held by interference. Typical FDM: hole +0.0 to +0.1 mm on diameter.",
  "slide": "assembles by hand and is held by a grub, pinch or clamp: shaft in a hub, rod in a socket, spigot in a bore. Typical FDM: +0.2 mm.",
  "run": "turns or slides in use: pin in a link, rod through a guide. Typical FDM: +0.3 mm.",
  "socket": "large sliding fit: syringe barrel, sleeve, bobbin in a bore. Typical FDM: +0.3 mm.",
  "clamp": "split part that closes on the mating part with screws: make it at size.",
  "designed": "a gap that is part of the design (piston fit option, displacer gap, air gap): do not change."
 },
 "faq": [
  {
   "q": "What is the slot size of 1010 extrusion?",
   "a": "Opening 0.256 in = 6.502 mm, lip 0.087 in = 2.210 mm, cavity 0.584 in = 14.834 mm wide under the lips and 0.323 in = 8.204 mm deep from the face to the floor, per 80/20 Inc. 10 series (1 in)'s drawing."
  },
  {
   "q": "What T-nuts fit 1010 extrusion?",
   "a": "The 1 in 10-series nuts: slide-in (tnut-slide-10in-1-4-20, tnut-slide-10in-10-32) and drop-in versions, threaded 1/4-20, 10-32 as tap-drill holes, cut to this slot's exact space."
  },
  {
   "q": "Can I subtract this file to make a part that fits the extrusion exactly?",
   "a": "Yes: the outline is exactly 1 × 1 in with square corners (the real bar's corners are rounded, so the pocket clears them); extrude the DXF or subtract the 1000 mm STEP, then open the pocket by your fit."
  },
  {
   "q": "How heavy is 1010 extrusion?",
   "a": "0.0424 lb/in (0.5088 lb/ft), 0.437 in² section, as 80/20 states."
  },
  {
   "q": "What in this model is not taken straight from the drawing?",
   "a": "The drawing does not dimension the outer corner radii, so the corners are square: a pocket cut from this file clears the real rounded corners. Face grooves are left off."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "1010-100",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/1010-t-slot-extrusion-inch/1010-100.step",
   "stl": "https://xemstudio.com/files/hardware/1010-t-slot-extrusion-inch/1010-100.stl",
   "note": "1010 T-slot extrusion, 1 × 1 in (10-series inch): 1 × 1 in section, 100 mm long, square ends; DXF = the exact cross-section in mm"
  },
  {
   "file": "1010-1000",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/1010-t-slot-extrusion-inch/1010-1000.step",
   "stl": "https://xemstudio.com/files/hardware/1010-t-slot-extrusion-inch/1010-1000.stl",
   "note": "1010 T-slot extrusion, 1 × 1 in (10-series inch): 1 × 1 in section, 1000 mm long, square ends; DXF = the exact cross-section in mm"
  }
 ],
 "markdown": "https://xemstudio.com/objects/1010-t-slot-extrusion-inch/index.md"
}