{
 "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": "sanitary-clamp-clamps-6-8in",
 "name": "Two-bolt clamps for 6 and 8 in tri-clamp joints",
 "kind": "hardware",
 "category": "Hardware",
 "group": "Sanitary clamp fittings",
 "year": null,
 "question": "What clamp fits a 6 inch tri-clamp?",
 "tags": [
  "clamp",
  "two bolt clamp",
  "high pressure clamp",
  "sanitary",
  "tri-clamp",
  "clamp fitting",
  "brewing",
  "homebrew"
 ],
 "aliases": [
  "6 inch tri clamp clamp",
  "8 inch tri clamp clamp",
  "printable tri clamp 6"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 2,
 "url": "https://xemstudio.com/objects/sanitary-clamp-clamps-6-8in/",
 "sheet_txt": "https://xemstudio.com/objects/sanitary-clamp-clamps-6-8in/sheet.txt",
 "sheet": {
  "basis": "Groove is the ISO 2852 rim's 20° back cone mirrored (as the 10 and 12 in clamps on this site): contact after 0.4 mm of travel per half, 0.6 mm more squeezes the gasket before the halves meet",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Two identical halves per joint, turned 180° to each other; tighten the two M8 bolts evenly until the halves just meet.",
   "Every clamp face is the ISO 2852 profile used across this site: 2.85 mm rim, flat face with the gasket groove (K 1.6 deep, R3 1.2 bottom, 23° walls, P2 0.8 edges) on C2, 20° back cone. Flange C3 / groove C2 / tube OD × wall, mm: ½–¾ in 25.0 / 20.4 (derived) / 12.7–19.05 × 1.65; 1–1½ in 50.5 / 43.5 / 25.4–38.1 × 1.65; 2 in 64.0 / 56.5 / 50.8 × 1.65; 2½ in 77.5 / 70.5 / 63.5 × 1.65; 3 in 91.0 / 83.5 / 76.2 × 1.65; 4 in 119.0 / 110.0 / 101.6 × 2.11; 6 in 166.9 (6.570 in) / 156.5 / 152.4 × 2.77; 8 in 217.7 (8.570 in) / 207.0 / 203.2 × 2.77; 10 in 268.5 / 261.0 / 254.0 × 3.40; 12 in 319.3 / 311.8 / 304.8 × 3.40."
  ],
  "table": {
   "columns": [
    "size_in",
    "clamp_od_mm",
    "width_mm",
    "bolts"
   ],
   "rows": [
    [
     "6",
     180.9,
     19.43,
     "2 × M8 × 40 + nuts"
    ],
    [
     "8",
     231.7,
     19.43,
     "2 × M8 × 40 + nuts"
    ]
   ]
  }
 },
 "sheet_text": "Two-bolt clamps for 6 and 8 in tri-clamp joints — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/sanitary-clamp-clamps-6-8in/  (CC BY 4.0)\nBasis: Groove is the ISO 2852 rim's 20° back cone mirrored (as the 10 and 12 in clamps on this site): contact after 0.4 mm of travel per half, 0.6 mm more squeezes the gasket before the halves meet\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Two identical halves per joint, turned 180° to each other; tighten the two M8 bolts evenly until the halves just meet.\n- Every clamp face is the ISO 2852 profile used across this site: 2.85 mm rim, flat face with the gasket groove (K 1.6 deep, R3 1.2 bottom, 23° walls, P2 0.8 edges) on C2, 20° back cone. Flange C3 / groove C2 / tube OD × wall, mm: ½–¾ in 25.0 / 20.4 (derived) / 12.7–19.05 × 1.65; 1–1½ in 50.5 / 43.5 / 25.4–38.1 × 1.65; 2 in 64.0 / 56.5 / 50.8 × 1.65; 2½ in 77.5 / 70.5 / 63.5 × 1.65; 3 in 91.0 / 83.5 / 76.2 × 1.65; 4 in 119.0 / 110.0 / 101.6 × 2.11; 6 in 166.9 (6.570 in) / 156.5 / 152.4 × 2.77; 8 in 217.7 (8.570 in) / 207.0 / 203.2 × 2.77; 10 in 268.5 / 261.0 / 254.0 × 3.40; 12 in 319.3 / 311.8 / 304.8 × 3.40.\n\nsize_in  clamp_od_mm  width_mm  bolts\n6  180.9  19.43  2 × M8 × 40 + nuts\n8  231.7  19.43  2 × M8 × 40 + nuts\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- GW Kent: Tri-clamp fittings guide: tube OD, flange OD and ID per size to 12 in; solid cap thickness — web — publisher's guide; dimensions cited — https://www.gwkent.com/triclamp-guide\n- Rubber Fab: Tri-clamp dimensions chart (ID, OD, bead per clamp size, ½ to 12 in and DIN 32676) — PDF — publisher's chart; dimensions cited, nothing copied — https://shop.andersonprocess.com/media/assets/product/documents/rubber-fab-tri-clamp-dimensions.pdf\n- Rubber Fab: Tri-Clamp gasket dimensional chart: gasket ID, OD and bead diameter per size (2 in bead 2.22 in / 56.50 mm, 1.5 in 1.71 / 43.50, 3 in 3.29 / 83.50) — PDF — maker chart; dimensions are facts [verify license at link] — https://shop.andersonprocess.com/media/assets/product/documents/rubber-fab-tri-clamp-dimensions.pdf\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 2 parts): https://xemstudio.com/files/hardware/sanitary-clamp-clamps-6-8in/index.json\nAPI: https://xemstudio.com/api/geometry?object=sanitary-clamp-clamps-6-8in\n",
 "sources": [
  {
   "publisher": "GW Kent",
   "title": "Tri-clamp fittings guide: tube OD, flange OD and ID per size to 12 in; solid cap thickness",
   "url": "https://www.gwkent.com/triclamp-guide",
   "formats": [
    "web"
   ],
   "license": "publisher's guide; dimensions cited",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Rubber Fab",
   "title": "Tri-clamp dimensions chart (ID, OD, bead per clamp size, ½ to 12 in and DIN 32676)",
   "url": "https://shop.andersonprocess.com/media/assets/product/documents/rubber-fab-tri-clamp-dimensions.pdf",
   "formats": [
    "PDF"
   ],
   "license": "publisher's chart; dimensions cited, nothing copied",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Rubber Fab",
   "title": "Tri-Clamp gasket dimensional chart: gasket ID, OD and bead diameter per size (2 in bead 2.22 in / 56.50 mm, 1.5 in 1.71 / 43.50, 3 in 3.29 / 83.50)",
   "url": "https://shop.andersonprocess.com/media/assets/product/documents/rubber-fab-tri-clamp-dimensions.pdf",
   "formats": [
    "PDF"
   ],
   "license": "maker chart; dimensions are facts",
   "license_verified": false,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "sanitary-clamp-ferrules-6-8in",
  "sanitary-clamp-gaskets-6-8in"
 ],
 "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": "How does the clamp seat?",
   "a": "The 20° groove wedges the two rims together; when the halves meet, the gasket is squeezed by design."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "clamp-half-6in-m8",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-clamps-6-8in/clamp-half-6in-m8.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-clamps-6-8in/clamp-half-6in-m8.stl",
   "note": "6 in two-bolt clamp half (two per joint): 20° groove, contact after 0.4, 0.6 squeeze; Ø180.9 × 19.43 wide; M8 × 40 hex bolts (ISO 4017), head in a 13 AF pocket on one lug"
  },
  {
   "file": "clamp-half-8in-m8",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-clamps-6-8in/clamp-half-8in-m8.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-clamps-6-8in/clamp-half-8in-m8.stl",
   "note": "8 in two-bolt clamp half (two per joint): 20° groove, contact after 0.4, 0.6 squeeze; Ø231.7 × 19.43 wide; M8 × 40 hex bolts (ISO 4017), head in a 13 AF pocket on one lug"
  }
 ],
 "markdown": "https://xemstudio.com/objects/sanitary-clamp-clamps-6-8in/index.md"
}