{
 "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": "stepless-ear-clamps",
 "name": "Stepless single-ear hose clamps: band width, thickness and size range (PG 167 series)",
 "kind": "standard",
 "category": "Tri-clamp & pipe",
 "group": "Pipe, tube & threads",
 "year": null,
 "question": "What band width and size range do stepless ear clamps come in?",
 "tags": [
  "ear clamp",
  "hose clamp",
  "oetiker",
  "stepless",
  "hose",
  "pinch clamp"
 ],
 "aliases": [
  "stepless ear clamp sizes",
  "oetiker 167 dimensions",
  "ear clamp band width",
  "pinch clamp size chart",
  "oetiker ear clamp range",
  "single ear clamp sizes"
 ],
 "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/stepless-ear-clamps/",
 "sheet_txt": "https://xemstudio.com/objects/stepless-ear-clamps/sheet.txt",
 "sheet": {
  "basis": "One maker's PG 167 data sheet (standard and heavy-duty series); numbers only, only the rows where the sheet's two tables agree",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "A stepless ear clamp is a single band with one formed ear that is crimped closed by a pincer tool, so it closes to any diameter, not in steps. Size range is the maker's range for the listed band; closing force is the maximum force from the installation table.",
   "Only rows where the data sheet's standard-series table and installation table agree are shown. Left out because the two tables disagree or the row is in only one of them: 7 × 0.6 (11.9–120.5 in the first table, 11.9–17.5 and 17.8–120.5 in the second), 10 × 1.0 (62.0–120.5 and 60.0–120.5), and 5 × 0.6, 7 × 0.8, 9 × 0.8, 10 × 0.6, 12 × 1.0 (installation table only). The sheet also lists ear width inside per reference number, but not the diameter before and after closing, so the closed shape is not drawn.",
   "The maker states the figures are a guide to be verified by functional tests. Spring (constant-tension) clamps: no dimension table was reached that could be checked, so they are not on this page.",
   "Worm-gear (SAE J1508) sizes are on the page worm-gear-hose-clamps-sae. McMaster-Carr's hose-clamp category is linked for per-part STEP, not copied."
  ],
  "table": {
   "columns": [
    "band width × thickness (mm)",
    "size range (mm)",
    "max closing force (N)"
   ],
   "rows": [
    [
     "5.0 × 0.5",
     "6.5 – 11.8",
     "1000"
    ],
    [
     "9.0 × 0.6",
     "21.0 – 120.5",
     "2800"
    ],
    [
     "10.0 × 0.8 (heavy duty)",
     "24.5 – 120.5",
     "5000"
    ]
   ]
  }
 },
 "sheet_text": "Stepless single-ear hose clamps: band width, thickness and size range (PG 167 series) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/stepless-ear-clamps/  (sheet CC BY 4.0)\nBasis: One maker's PG 167 data sheet (standard and heavy-duty series); numbers only, only the rows where the sheet's two tables agree\nCatalog version: 2026-10-20\n\nSizes: see table below\n- A stepless ear clamp is a single band with one formed ear that is crimped closed by a pincer tool, so it closes to any diameter, not in steps. Size range is the maker's range for the listed band; closing force is the maximum force from the installation table.\n- Only rows where the data sheet's standard-series table and installation table agree are shown. Left out because the two tables disagree or the row is in only one of them: 7 × 0.6 (11.9–120.5 in the first table, 11.9–17.5 and 17.8–120.5 in the second), 10 × 1.0 (62.0–120.5 and 60.0–120.5), and 5 × 0.6, 7 × 0.8, 9 × 0.8, 10 × 0.6, 12 × 1.0 (installation table only). The sheet also lists ear width inside per reference number, but not the diameter before and after closing, so the closed shape is not drawn.\n- The maker states the figures are a guide to be verified by functional tests. Spring (constant-tension) clamps: no dimension table was reached that could be checked, so they are not on this page.\n- Worm-gear (SAE J1508) sizes are on the page worm-gear-hose-clamps-sae. McMaster-Carr's hose-clamp category is linked for per-part STEP, not copied.\n\nband width × thickness (mm)  size range (mm)  max closing force (N)\n5.0 × 0.5  6.5 – 11.8  1000\n9.0 × 0.6  21.0 – 120.5  2800\n10.0 × 0.8 (heavy duty)  24.5 – 120.5  5000\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Oetiker (via H. Eckhardt): Stepless ear clamps PG 167: band width × thickness, size range, closing force (standard and heavy-duty series) — web — Maker data sheet; numbers only — https://www.hweckhardt.com/images/pdf/data/167series.pdf\n- McMaster-Carr: Hose clamps (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/hose-clamps/\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=stepless-ear-clamps\n",
 "sources": [
  {
   "publisher": "Oetiker (via H. Eckhardt)",
   "title": "Stepless ear clamps PG 167: band width × thickness, size range, closing force (standard and heavy-duty series)",
   "url": "https://www.hweckhardt.com/images/pdf/data/167series.pdf",
   "formats": [
    "web"
   ],
   "license": "Maker data sheet; numbers only",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "McMaster-Carr",
   "title": "Hose clamps (free STEP/IGES per part, for your own design use; no redistribution)",
   "url": "https://www.mcmaster.com/products/hose-clamps/",
   "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": [
  "worm-gear-hose-clamps-sae",
  "silicone-tube",
  "garden-hose-thread"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no tolerance added)",
 "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": "What band widths do stepless ear clamps come in?",
   "a": "5.0, 7.0, 9.0 and 10.0 mm in the standard and heavy-duty series, with other widths in the installation table."
  },
  {
   "q": "What diameter does a 9 mm stepless ear clamp fit?",
   "a": "21.0 to 120.5 mm for the 9.0 × 0.6 mm band in the PG 167 data sheet."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/stepless-ear-clamps/index.md"
}