{
 "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": "worm-gear-hose-clamps-sae",
 "name": "SAE J1508 worm-gear hose clamp sizes: SAE number to min / max diameter and band width, sizes 4–312",
 "kind": "standard",
 "category": "Tri-clamp & pipe",
 "group": "Pipe, tube & threads",
 "year": null,
 "question": "What diameter range does an SAE size 6, 8, 10, 12, 16, 20, 24 worm-gear hose clamp fit?",
 "tags": [
  "hose clamp",
  "worm gear clamp",
  "sae j1508",
  "jubilee clip",
  "hose",
  "pipe",
  "clamp size",
  "tool"
 ],
 "aliases": [
  "sae hose clamp sizes",
  "sae 10 hose clamp size",
  "sae 16 hose clamp diameter",
  "hose clamp size chart",
  "worm gear clamp size chart",
  "sae j1508 hose clamp",
  "sae 20 hose clamp range",
  "sae 6 hose clamp",
  "hose clamp sae number to inches",
  "sae 12 hose clamp range",
  "sae 24 hose clamp"
 ],
 "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/worm-gear-hose-clamps-sae/",
 "sheet_txt": "https://xemstudio.com/objects/worm-gear-hose-clamps-sae/sheet.txt",
 "sheet": {
  "basis": "A worm-drive clamp specification sheet headed SAE J1508 Type F and M, cross-checked against Dixon's HS / HSS clamp table; numbers only (a clamp band has no published profile)",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "The SAE number is a size code for the clamp; the diameters are the sizes of hose, tube or barb the clamp is meant to close on, in inches as printed (mm columns are computed as inch × 25.4 and rounded to 0.1 mm). Min is the smallest effective clamping diameter and max the largest.",
   "Agreement: for every size 6 to 212 listed in both, the specification sheet and Dixon's HS table print identical min and max. Size 4 is on the sheet and in Zoro's chart (7/32 to 5/8 in); Dixon's range starts at 6. Sizes 60, 200, 224, 236, 248, 312 are in Dixon's table only.",
   "Disagreement: Zoro's chart and a Unilog catalogue print different numbers for several sizes: for example size 8 max 1 in in both (sheet and Dixon: 29/32), size 10 max 1-1/8 in both (1-1/16), size 36 min 7/8 in Unilog (1-13/16), size 72 min 3-1/8 in Unilog (1-7/8), and Zoro's size 64 min 2-1/2 in is smaller than its size 60's min. Dixon's table prints size 12 max as '1-1/14' (a typo for 1-1/4, which the sheet gives). Those chart numbers are not used. A third source (crimpsupply, SAE 4 mini) is titled 1/4 to 5/8 in, not 7/32 to 5/8, for size 4, and its SAE 6 page gives 7/16 to 3/4 in against 25/32 on the sheet. Check the clamp's own printed range for a tight fit.",
   "Band width: the specification sheet lists the clamp part families at 5/16 in (SAE 4 and 6, the miniature type M), 1/2 in and 9/16 in (type F). The band-width column in Dixon's table is garbled in the source, and a Unilog catalogue lists 9/16 in for all its sizes, so the 'bands offered' column shows what the specification sheet offers per size and is not a requirement of the standard. Band thickness, screw head size, housing length and slot pitch are not published in any source used, so no clamp is drawn.",
   "Also in the sources, not in the table: Jubilee-style British clamps (BS 5315) use millimetre ranges and 9.9 or 13 mm bands and are a different series; they are not SAE sizes.",
   "McMaster-Carr's hose-clamp category (worm-drive, NAS 1922 and MS 35842 types appear in its URLs) has per-part STEP; linked, not copied."
  ],
  "table": {
   "columns": [
    "SAE size",
    "min diameter (in)",
    "max diameter (in)",
    "min (mm, computed)",
    "max (mm, computed)",
    "band widths offered (in)",
    "which sources"
   ],
   "rows": [
    [
     "4",
     "7/32",
     "5/8",
     "5.6",
     "15.9",
     "5/16",
     "sheet; Zoro agrees (Dixon has no size 4)"
    ],
    [
     "6",
     "7/16",
     "25/32",
     "11.1",
     "19.8",
     "5/16, 1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "8",
     "1/2",
     "29/32",
     "12.7",
     "23.0",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "10",
     "9/16",
     "1-1/16",
     "14.3",
     "27.0",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "12",
     "11/16",
     "1-1/4",
     "17.5",
     "31.8",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "16",
     "13/16",
     "1-1/2",
     "20.6",
     "38.1",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "20",
     "13/16",
     "1-3/4",
     "20.6",
     "44.4",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "24",
     "1-1/16",
     "2",
     "27.0",
     "50.8",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "28",
     "1-5/16",
     "2-1/4",
     "33.3",
     "57.1",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "32",
     "1-9/16",
     "2-1/2",
     "39.7",
     "63.5",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "36",
     "1-13/16",
     "2-3/4",
     "46.0",
     "69.8",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "40",
     "2-1/16",
     "3",
     "52.4",
     "76.2",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "44",
     "2-5/16",
     "3-1/4",
     "58.7",
     "82.5",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "48",
     "2-9/16",
     "3-1/2",
     "65.1",
     "88.9",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "52",
     "2-13/16",
     "3-3/4",
     "71.4",
     "95.2",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "56",
     "3-1/16",
     "4",
     "77.8",
     "101.6",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "60",
     "3-5/16",
     "4-1/4",
     "84.1",
     "107.9",
     "—",
     "Dixon only"
    ],
    [
     "64",
     "3-9/16",
     "4-1/2",
     "90.5",
     "114.3",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "72",
     "1-7/8",
     "5",
     "47.6",
     "127.0",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "80",
     "2-1/2",
     "5-1/2",
     "63.5",
     "139.7",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "88",
     "3-1/8",
     "6",
     "79.4",
     "152.4",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "96",
     "3-5/8",
     "6-1/2",
     "92.1",
     "165.1",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "104",
     "4-1/8",
     "7",
     "104.8",
     "177.8",
     "1/2, 9/16",
     "sheet; Dixon agrees"
    ],
    [
     "128",
     "5-5/8",
     "8-1/2",
     "142.9",
     "215.9",
     "9/16 (placement ambiguous in the sheet)",
     "sheet; Dixon agrees"
    ],
    [
     "152",
     "7-1/8",
     "10",
     "181.0",
     "254.0",
     "9/16 (placement ambiguous in the sheet)",
     "sheet; Dixon agrees"
    ],
    [
     "188",
     "9-3/8",
     "12-1/4",
     "238.1",
     "311.1",
     "9/16 (placement ambiguous in the sheet)",
     "sheet; Dixon agrees"
    ],
    [
     "200",
     "10-1/8",
     "13",
     "257.2",
     "330.2",
     "—",
     "Dixon only"
    ],
    [
     "212",
     "10-7/8",
     "13-3/4",
     "276.2",
     "349.2",
     "9/16 (placement ambiguous in the sheet)",
     "sheet; Dixon agrees"
    ],
    [
     "224",
     "11-5/8",
     "14-1/2",
     "295.3",
     "368.3",
     "—",
     "Dixon only"
    ],
    [
     "236",
     "12-3/8",
     "15-1/4",
     "314.3",
     "387.3",
     "—",
     "Dixon only"
    ],
    [
     "248",
     "13-1/8",
     "16",
     "333.4",
     "406.4",
     "—",
     "Dixon only"
    ],
    [
     "312",
     "17-1/8",
     "20",
     "435.0",
     "508.0",
     "—",
     "Dixon only"
    ]
   ]
  }
 },
 "sheet_text": "SAE J1508 worm-gear hose clamp sizes: SAE number to min / max diameter and band width, sizes 4–312 — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/worm-gear-hose-clamps-sae/  (sheet CC BY 4.0)\nBasis: A worm-drive clamp specification sheet headed SAE J1508 Type F and M, cross-checked against Dixon's HS / HSS clamp table; numbers only (a clamp band has no published profile)\nCatalog version: 2026-10-20\n\nSizes: see table below\n- The SAE number is a size code for the clamp; the diameters are the sizes of hose, tube or barb the clamp is meant to close on, in inches as printed (mm columns are computed as inch × 25.4 and rounded to 0.1 mm). Min is the smallest effective clamping diameter and max the largest.\n- Agreement: for every size 6 to 212 listed in both, the specification sheet and Dixon's HS table print identical min and max. Size 4 is on the sheet and in Zoro's chart (7/32 to 5/8 in); Dixon's range starts at 6. Sizes 60, 200, 224, 236, 248, 312 are in Dixon's table only.\n- Disagreement: Zoro's chart and a Unilog catalogue print different numbers for several sizes: for example size 8 max 1 in in both (sheet and Dixon: 29/32), size 10 max 1-1/8 in both (1-1/16), size 36 min 7/8 in Unilog (1-13/16), size 72 min 3-1/8 in Unilog (1-7/8), and Zoro's size 64 min 2-1/2 in is smaller than its size 60's min. Dixon's table prints size 12 max as '1-1/14' (a typo for 1-1/4, which the sheet gives). Those chart numbers are not used. A third source (crimpsupply, SAE 4 mini) is titled 1/4 to 5/8 in, not 7/32 to 5/8, for size 4, and its SAE 6 page gives 7/16 to 3/4 in against 25/32 on the sheet. Check the clamp's own printed range for a tight fit.\n- Band width: the specification sheet lists the clamp part families at 5/16 in (SAE 4 and 6, the miniature type M), 1/2 in and 9/16 in (type F). The band-width column in Dixon's table is garbled in the source, and a Unilog catalogue lists 9/16 in for all its sizes, so the 'bands offered' column shows what the specification sheet offers per size and is not a requirement of the standard. Band thickness, screw head size, housing length and slot pitch are not published in any source used, so no clamp is drawn.\n- Also in the sources, not in the table: Jubilee-style British clamps (BS 5315) use millimetre ranges and 9.9 or 13 mm bands and are a different series; they are not SAE sizes.\n- McMaster-Carr's hose-clamp category (worm-drive, NAS 1922 and MS 35842 types appear in its URLs) has per-part STEP; linked, not copied.\n\nSAE size  min diameter (in)  max diameter (in)  min (mm, computed)  max (mm, computed)  band widths offered (in)  which sources\n4  7/32  5/8  5.6  15.9  5/16  sheet; Zoro agrees (Dixon has no size 4)\n6  7/16  25/32  11.1  19.8  5/16, 1/2, 9/16  sheet; Dixon agrees\n8  1/2  29/32  12.7  23.0  1/2, 9/16  sheet; Dixon agrees\n10  9/16  1-1/16  14.3  27.0  1/2, 9/16  sheet; Dixon agrees\n12  11/16  1-1/4  17.5  31.8  1/2, 9/16  sheet; Dixon agrees\n16  13/16  1-1/2  20.6  38.1  1/2, 9/16  sheet; Dixon agrees\n20  13/16  1-3/4  20.6  44.4  1/2, 9/16  sheet; Dixon agrees\n24  1-1/16  2  27.0  50.8  1/2, 9/16  sheet; Dixon agrees\n28  1-5/16  2-1/4  33.3  57.1  1/2, 9/16  sheet; Dixon agrees\n32  1-9/16  2-1/2  39.7  63.5  1/2, 9/16  sheet; Dixon agrees\n36  1-13/16  2-3/4  46.0  69.8  1/2, 9/16  sheet; Dixon agrees\n40  2-1/16  3  52.4  76.2  1/2, 9/16  sheet; Dixon agrees\n44  2-5/16  3-1/4  58.7  82.5  1/2, 9/16  sheet; Dixon agrees\n48  2-9/16  3-1/2  65.1  88.9  1/2, 9/16  sheet; Dixon agrees\n52  2-13/16  3-3/4  71.4  95.2  1/2, 9/16  sheet; Dixon agrees\n56  3-1/16  4  77.8  101.6  1/2, 9/16  sheet; Dixon agrees\n60  3-5/16  4-1/4  84.1  107.9  —  Dixon only\n64  3-9/16  4-1/2  90.5  114.3  1/2, 9/16  sheet; Dixon agrees\n72  1-7/8  5  47.6  127.0  1/2, 9/16  sheet; Dixon agrees\n80  2-1/2  5-1/2  63.5  139.7  1/2, 9/16  sheet; Dixon agrees\n88  3-1/8  6  79.4  152.4  1/2, 9/16  sheet; Dixon agrees\n96  3-5/8  6-1/2  92.1  165.1  1/2, 9/16  sheet; Dixon agrees\n104  4-1/8  7  104.8  177.8  1/2, 9/16  sheet; Dixon agrees\n128  5-5/8  8-1/2  142.9  215.9  9/16 (placement ambiguous in the sheet)  sheet; Dixon agrees\n152  7-1/8  10  181.0  254.0  9/16 (placement ambiguous in the sheet)  sheet; Dixon agrees\n188  9-3/8  12-1/4  238.1  311.1  9/16 (placement ambiguous in the sheet)  sheet; Dixon agrees\n200  10-1/8  13  257.2  330.2  —  Dixon only\n212  10-7/8  13-3/4  276.2  349.2  9/16 (placement ambiguous in the sheet)  sheet; Dixon agrees\n224  11-5/8  14-1/2  295.3  368.3  —  Dixon only\n236  12-3/8  15-1/4  314.3  387.3  —  Dixon only\n248  13-1/8  16  333.4  406.4  —  Dixon only\n312  17-1/8  20  435.0  508.0  —  Dixon only\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Worm drive clamp specification sheet (hosted by a university site): SAE J1508 Type F and M worm-drive clamps: effective diameter min / max by SAE size, 5/16, 1/2 and 9/16 in band part families — web — Maker sheet, maker not identified in the extract; numbers only — https://wpsb2.jpmtestsite.web.illinois.edu/wp-content/uploads/2021/02/Worm-Drive-Clamp-Specification-Sheet.pdf\n- Dixon Valve: Worm gear clamps, style HS / HSS: hose OD min and max by size 6 to 312 (band width column ambiguous in the source) — web — Publisher's page; dimensions are facts — https://dvcconbase.dixonvalve.com/en/media/148216\n- Zoro: Hose clamp size chart (SAE sizes 4–64; differs from the maker sheets for several sizes, see notes) — web — Publisher's page; dimensions are facts — https://www.zoro.com/resourcehub/hose-clamp-size-chart/\n- Unilog catalogue (worm gear clamps): Hex slotted screw worm gear clamps by 'inside std. size' with min / max inches and 9/16 in band (differs from the maker sheets for several sizes) — web — Publisher's page; dimensions are facts — https://assets.unilogcorp.com/267/ITEM/DOC/Au_ve_co_10221_Catalog.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=worm-gear-hose-clamps-sae\n",
 "sources": [
  {
   "publisher": "Worm drive clamp specification sheet (hosted by a university site)",
   "title": "SAE J1508 Type F and M worm-drive clamps: effective diameter min / max by SAE size, 5/16, 1/2 and 9/16 in band part families",
   "url": "https://wpsb2.jpmtestsite.web.illinois.edu/wp-content/uploads/2021/02/Worm-Drive-Clamp-Specification-Sheet.pdf",
   "formats": [
    "web"
   ],
   "license": "Maker sheet, maker not identified in the extract; numbers only",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Dixon Valve",
   "title": "Worm gear clamps, style HS / HSS: hose OD min and max by size 6 to 312 (band width column ambiguous in the source)",
   "url": "https://dvcconbase.dixonvalve.com/en/media/148216",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Zoro",
   "title": "Hose clamp size chart (SAE sizes 4–64; differs from the maker sheets for several sizes, see notes)",
   "url": "https://www.zoro.com/resourcehub/hose-clamp-size-chart/",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Unilog catalogue (worm gear clamps)",
   "title": "Hex slotted screw worm gear clamps by 'inside std. size' with min / max inches and 9/16 in band (differs from the maker sheets for several sizes)",
   "url": "https://assets.unilogcorp.com/267/ITEM/DOC/Au_ve_co_10221_Catalog.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "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": [
  "stepless-ear-clamps",
  "garden-hose-thread",
  "silicone-tube",
  "tri-clamp-hose-barb-adapters"
 ],
 "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 diameter does an SAE 10 hose clamp fit?",
   "a": "9/16 to 1-1/16 in (14.3 to 27.0 mm computed) on the specification sheet and Dixon's table."
  },
  {
   "q": "What does an SAE 16 hose clamp fit?",
   "a": "13/16 to 1-1/2 in (20.6 to 38.1 mm computed)."
  },
  {
   "q": "What does SAE 6 mean on a hose clamp?",
   "a": "A size code for the SAE J1508 range 7/16 to 25/32 in on the specification sheet and Dixon's table; other charts print different numbers, so check the clamp's own marking."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/worm-gear-hose-clamps-sae/index.md"
}