{
 "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": "heat-set-inserts-ruthex",
 "name": "Heat-set threaded inserts, ruthex RX series: M2 to M8 and #2-56 to 3/8-16",
 "kind": "standard",
 "category": "Hardware",
 "group": "Fasteners",
 "year": null,
 "question": "What hole does a ruthex M3 insert need?",
 "tags": [
  "heat set insert",
  "threaded insert",
  "3d printing",
  "brass insert",
  "fastener"
 ],
 "aliases": [
  "ruthex insert dimensions",
  "ruthex m3 hole size",
  "rx-m3x5.7",
  "ruthex threaded insert stl"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 17,
 "url": "https://xemstudio.com/objects/heat-set-inserts-ruthex/",
 "sheet_txt": "https://xemstudio.com/objects/heat-set-inserts-ruthex/sheet.txt",
 "sheet": {
  "basis": "ruthex RX series datasheet (d1 insert Ø, d2 tip Ø, L, W min wall, d3 hole Ø); geometry drawn by Xem Studio from those numbers",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Drawn as: lead-in pilot at the tip Ø over the bottom 15 % of the length, two knurl bands at the insert Ø with a relief groove between, thread as a plain bore at the minor diameter (threads not modelled). Knurl texture is not drawn: the insert Ø is the knurl's outside.",
   "Print the hole at the listed hole Ø, at least the insert length + 1 mm deep for a blind hole (room for displaced plastic), and keep at least W of wall around it. Press the insert in with a soldering iron and insert tip at the plastic's printing temperature until its top is flush."
  ],
  "table": {
   "columns": [
    "article",
    "thread",
    "length_mm",
    "insert_od_mm",
    "tip_mm",
    "hole_mm",
    "min_wall_mm"
   ],
   "rows": [
    [
     "RX-M2x4",
     "M2",
     4,
     3.6,
     3.1,
     3.2,
     1.3
    ],
    [
     "RX-M2.5x5.7",
     "M2.5",
     5.7,
     4.6,
     3.9,
     4,
     1.6
    ],
    [
     "RX-M3Sx4.0",
     "M3",
     4,
     4.6,
     3.9,
     4,
     1.6
    ],
    [
     "RX-M3x5x4",
     "M3",
     4,
     5,
     4.25,
     4.4,
     1.3
    ],
    [
     "RX-M3x5.7",
     "M3",
     5.7,
     4.6,
     3.9,
     4,
     1.6
    ],
    [
     "RX-M4Sx4.0",
     "M4",
     4,
     6.3,
     5.5,
     5.6,
     2.1
    ],
    [
     "RX-M4x8.1",
     "M4",
     8.1,
     6.3,
     5.5,
     5.6,
     2.1
    ],
    [
     "RX-M5Sx5.8",
     "M5",
     5.8,
     7.1,
     6.3,
     6.4,
     2.6
    ],
    [
     "RX-M5x9.5",
     "M5",
     9.5,
     7.1,
     6.3,
     6.4,
     2.6
    ],
    [
     "RX-M6x12.7",
     "M6",
     12.7,
     8.7,
     7.9,
     8,
     3.3
    ],
    [
     "RX-M8x12.7",
     "M8",
     12.7,
     10.1,
     9.5,
     9.6,
     4.5
    ],
    [
     "RX-2-56x4",
     "#2-56",
     4,
     3.6,
     3.1,
     3.2,
     1.3
    ],
    [
     "RX-4-40x5.7",
     "#4-40",
     5.7,
     4.6,
     3.9,
     4,
     1.6
    ],
    [
     "RX-8-32x8.1",
     "#8-32",
     8.1,
     6.3,
     5.5,
     5.6,
     2.1
    ],
    [
     "RX-10-24x9.5",
     "#10-24",
     9.5,
     7.1,
     6.3,
     6.4,
     2.6
    ],
    [
     "RX-1/4-20x12.7",
     "1/4-20",
     12.7,
     8.7,
     7.9,
     8,
     3.3
    ],
    [
     "RX-3/8-16x12.7",
     "3/8-16",
     12.7,
     12.6,
     11.8,
     11.9,
     6
    ]
   ]
  }
 },
 "sheet_text": "Heat-set threaded inserts, ruthex RX series: M2 to M8 and #2-56 to 3/8-16 — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/heat-set-inserts-ruthex/  (CC BY 4.0)\nBasis: ruthex RX series datasheet (d1 insert Ø, d2 tip Ø, L, W min wall, d3 hole Ø); geometry drawn by Xem Studio from those numbers\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Drawn as: lead-in pilot at the tip Ø over the bottom 15 % of the length, two knurl bands at the insert Ø with a relief groove between, thread as a plain bore at the minor diameter (threads not modelled). Knurl texture is not drawn: the insert Ø is the knurl's outside.\n- Print the hole at the listed hole Ø, at least the insert length + 1 mm deep for a blind hole (room for displaced plastic), and keep at least W of wall around it. Press the insert in with a soldering iron and insert tip at the plastic's printing temperature until its top is flush.\n\narticle  thread  length_mm  insert_od_mm  tip_mm  hole_mm  min_wall_mm\nRX-M2x4  M2  4.0  3.6  3.1  3.2  1.3\nRX-M2.5x5.7  M2.5  5.7  4.6  3.9  4.0  1.6\nRX-M3Sx4.0  M3  4.0  4.6  3.9  4.0  1.6\nRX-M3x5x4  M3  4.0  5.0  4.25  4.4  1.3\nRX-M3x5.7  M3  5.7  4.6  3.9  4.0  1.6\nRX-M4Sx4.0  M4  4.0  6.3  5.5  5.6  2.1\nRX-M4x8.1  M4  8.1  6.3  5.5  5.6  2.1\nRX-M5Sx5.8  M5  5.8  7.1  6.3  6.4  2.6\nRX-M5x9.5  M5  9.5  7.1  6.3  6.4  2.6\nRX-M6x12.7  M6  12.7  8.7  7.9  8.0  3.3\nRX-M8x12.7  M8  12.7  10.1  9.5  9.6  4.5\nRX-2-56x4  #2-56  4.0  3.6  3.1  3.2  1.3\nRX-4-40x5.7  #4-40  5.7  4.6  3.9  4.0  1.6\nRX-8-32x8.1  #8-32  8.1  6.3  5.5  5.6  2.1\nRX-10-24x9.5  #10-24  9.5  7.1  6.3  6.4  2.6\nRX-1/4-20x12.7  1/4-20  12.7  8.7  7.9  8.0  3.3\nRX-3/8-16x12.7  3/8-16  12.7  12.6  11.8  11.9  6.0\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- ruthex: RX series product datasheet: d1 insert Ø, d2 tip Ø, L, W min wall, d3 hole Ø (metric and UNC) — PDF — maker's sheet; dimensions cited, nothing copied — https://www.igo3d.com/mediafiles/Sonstiges/Ruthex/ruthex_Datenblatt_RX-Serie.pdf\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 17 parts): https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/index.json\nAPI: https://xemstudio.com/api/geometry?object=heat-set-inserts-ruthex\n",
 "sources": [
  {
   "publisher": "ruthex",
   "title": "RX series product datasheet: d1 insert Ø, d2 tip Ø, L, W min wall, d3 hole Ø (metric and UNC)",
   "url": "https://www.igo3d.com/mediafiles/Sonstiges/Ruthex/ruthex_Datenblatt_RX-Serie.pdf",
   "formats": [
    "PDF"
   ],
   "license": "maker's sheet; dimensions cited, nothing copied",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "heat-set-inserts",
  "heat-set-inserts-inch",
  "heat-set-insert-holes"
 ],
 "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": "ruthex M3 × 5.7 hole?",
   "a": "Ø4.0 (same as CNC Kitchen's M3 × 5.7), 1.6 wall."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "insert-rx-m2x4",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m2x4.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m2x4.stl",
   "note": "ruthex RX-M2x4: M2, Ø3.6 knurl, tip Ø3.1, 4 long; print hole Ø3.2 × ≥5, wall ≥ 1.3"
  },
  {
   "file": "insert-rx-m2_5x5_7",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m2_5x5_7.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m2_5x5_7.stl",
   "note": "ruthex RX-M2.5x5.7: M2.5, Ø4.6 knurl, tip Ø3.9, 5.7 long; print hole Ø4 × ≥6.7, wall ≥ 1.6"
  },
  {
   "file": "insert-rx-m3sx4_0",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m3sx4_0.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m3sx4_0.stl",
   "note": "ruthex RX-M3Sx4.0: M3, Ø4.6 knurl, tip Ø3.9, 4 long; print hole Ø4 × ≥5, wall ≥ 1.6"
  },
  {
   "file": "insert-rx-m3x5x4",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m3x5x4.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m3x5x4.stl",
   "note": "ruthex RX-M3x5x4: M3, Ø5 knurl, tip Ø4.25, 4 long; print hole Ø4.4 × ≥5, wall ≥ 1.3"
  },
  {
   "file": "insert-rx-m3x5_7",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m3x5_7.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m3x5_7.stl",
   "note": "ruthex RX-M3x5.7: M3, Ø4.6 knurl, tip Ø3.9, 5.7 long; print hole Ø4 × ≥6.7, wall ≥ 1.6"
  },
  {
   "file": "insert-rx-m4sx4_0",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m4sx4_0.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m4sx4_0.stl",
   "note": "ruthex RX-M4Sx4.0: M4, Ø6.3 knurl, tip Ø5.5, 4 long; print hole Ø5.6 × ≥5, wall ≥ 2.1"
  },
  {
   "file": "insert-rx-m4x8_1",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m4x8_1.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m4x8_1.stl",
   "note": "ruthex RX-M4x8.1: M4, Ø6.3 knurl, tip Ø5.5, 8.1 long; print hole Ø5.6 × ≥9.1, wall ≥ 2.1"
  },
  {
   "file": "insert-rx-m5sx5_8",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m5sx5_8.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m5sx5_8.stl",
   "note": "ruthex RX-M5Sx5.8: M5, Ø7.1 knurl, tip Ø6.3, 5.8 long; print hole Ø6.4 × ≥6.8, wall ≥ 2.6"
  },
  {
   "file": "insert-rx-m5x9_5",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m5x9_5.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m5x9_5.stl",
   "note": "ruthex RX-M5x9.5: M5, Ø7.1 knurl, tip Ø6.3, 9.5 long; print hole Ø6.4 × ≥10.5, wall ≥ 2.6"
  },
  {
   "file": "insert-rx-m6x12_7",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m6x12_7.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m6x12_7.stl",
   "note": "ruthex RX-M6x12.7: M6, Ø8.7 knurl, tip Ø7.9, 12.7 long; print hole Ø8 × ≥13.7, wall ≥ 3.3"
  },
  {
   "file": "insert-rx-m8x12_7",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m8x12_7.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-m8x12_7.stl",
   "note": "ruthex RX-M8x12.7: M8, Ø10.1 knurl, tip Ø9.5, 12.7 long; print hole Ø9.6 × ≥13.7, wall ≥ 4.5"
  },
  {
   "file": "insert-rx-2-56x4",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-2-56x4.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-2-56x4.stl",
   "note": "ruthex RX-2-56x4: #2-56, Ø3.6 knurl, tip Ø3.1, 4 long; print hole Ø3.2 × ≥5, wall ≥ 1.3"
  },
  {
   "file": "insert-rx-4-40x5_7",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-4-40x5_7.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-4-40x5_7.stl",
   "note": "ruthex RX-4-40x5.7: #4-40, Ø4.6 knurl, tip Ø3.9, 5.7 long; print hole Ø4 × ≥6.7, wall ≥ 1.6"
  },
  {
   "file": "insert-rx-8-32x8_1",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-8-32x8_1.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-8-32x8_1.stl",
   "note": "ruthex RX-8-32x8.1: #8-32, Ø6.3 knurl, tip Ø5.5, 8.1 long; print hole Ø5.6 × ≥9.1, wall ≥ 2.1"
  },
  {
   "file": "insert-rx-10-24x9_5",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-10-24x9_5.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-10-24x9_5.stl",
   "note": "ruthex RX-10-24x9.5: #10-24, Ø7.1 knurl, tip Ø6.3, 9.5 long; print hole Ø6.4 × ≥10.5, wall ≥ 2.6"
  },
  {
   "file": "insert-rx-1-4-20x12_7",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-1-4-20x12_7.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-1-4-20x12_7.stl",
   "note": "ruthex RX-1/4-20x12.7: 1/4-20, Ø8.7 knurl, tip Ø7.9, 12.7 long; print hole Ø8 × ≥13.7, wall ≥ 3.3"
  },
  {
   "file": "insert-rx-3-8-16x12_7",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-3-8-16x12_7.step",
   "stl": "https://xemstudio.com/files/hardware/heat-set-inserts-ruthex/insert-rx-3-8-16x12_7.stl",
   "note": "ruthex RX-3/8-16x12.7: 3/8-16, Ø12.6 knurl, tip Ø11.8, 12.7 long; print hole Ø11.9 × ≥13.7, wall ≥ 6"
  }
 ],
 "markdown": "https://xemstudio.com/objects/heat-set-inserts-ruthex/index.md"
}