{
 "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": "mason-jar-band",
 "name": "Mason jar screw band, regular mouth (70-450 thread)",
 "kind": "standard",
 "category": "Hardware",
 "group": "Found & household materials",
 "year": null,
 "question": "What thread is on a mason jar band?",
 "tags": [
  "jar",
  "mason jar",
  "band",
  "thread",
  "found materials",
  "stirling",
  "long earth society"
 ],
 "aliases": [
  "mason jar band thread",
  "mason jar thread pitch",
  "70-450 thread",
  "mason jar ring size"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": true,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/mason-jar-band/",
 "sheet_txt": "https://xemstudio.com/objects/mason-jar-band/sheet.txt",
 "sheet": {
  "basis": "70-450 continuous-thread closure drawing (Comet Tool 1340-0109): root T 2.804 in, crest E 2.700 in, 4 TPI, 1 1/4 turns; Ball band height 9/16 in regular, 5/8 in wide",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Regular-mouth band: Ø71.53 outside, 14.29 (9/16 in) tall, 0.154 mm sheet.",
   "Internal thread: 4 TPI (6.35 mm pitch), single start, right hand, 1¼ turns; root Ø71.22, crest Ø68.58 (1.32 deep), drawn as a 60° L-form.",
   "The wide-mouth band is 5/8 in (15.88) tall; it has no file, because no 86 mm finish drawing with its thread was found.",
   "Not drawn: the band's top flange and its aperture (not published)."
  ],
  "table": {
   "columns": [
    "band",
    "outside_mm",
    "height_mm",
    "thread",
    "root_mm",
    "crest_mm",
    "turns"
   ],
   "rows": [
    [
     "regular (70)",
     71.53,
     14.29,
     "4 TPI (6.35) RH single start",
     71.22,
     68.58,
     1.25
    ],
    [
     "wide (86)",
     null,
     15.88,
     null,
     null,
     null,
     null
    ]
   ]
  }
 },
 "sheet_text": "Mason jar screw band, regular mouth (70-450 thread) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/mason-jar-band/  (CC BY 4.0)\nBasis: 70-450 continuous-thread closure drawing (Comet Tool 1340-0109): root T 2.804 in, crest E 2.700 in, 4 TPI, 1 1/4 turns; Ball band height 9/16 in regular, 5/8 in wide\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Regular-mouth band: Ø71.53 outside, 14.29 (9/16 in) tall, 0.154 mm sheet.\n- Internal thread: 4 TPI (6.35 mm pitch), single start, right hand, 1¼ turns; root Ø71.22, crest Ø68.58 (1.32 deep), drawn as a 60° L-form.\n- The wide-mouth band is 5/8 in (15.88) tall; it has no file, because no 86 mm finish drawing with its thread was found.\n- Not drawn: the band's top flange and its aperture (not published).\n\nband  outside_mm  height_mm  thread  root_mm  crest_mm  turns\nregular (70)  71.53  14.29  4 TPI (6.35) RH single start  71.22  68.58  1.25\nwide (86)  None  15.88  None  None  None  None\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Wikipedia: Mason jar — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/Mason_jar\n- Ball (Newell Brands): Ball canning jars and lids — web — Ball site [verify license at link] — https://www.ballmasonjars.com/\n- Comet Tool Co.: 70-450 continuous-thread closure drawing (part 1340-0109): T 2.804 in at skirt, E 2.700 in at midpoint, 4 TPI (.250 pitch), 1 1/4 turns — PDF — manufacturer drawing [verify license at link] — https://www.comet-tool.com/wp-content/uploads/2021/08/70-450-0109-merged.pdf\n- WebstaurantStore (Ball 30000): Ball regular-mouth lids and bands: top diameter 2 3/4 in, height 9/16 in — web — listing [verify license at link] — https://www.webstaurantstore.com/ball-30000-regular-mouth-replacement-lids-and-bands-pack/52730000.html\n- WebstaurantStore (Ball 40000ZFP): Ball wide-mouth lids and bands: top diameter 3 3/8 in, height 5/8 in — web — listing [verify license at link] — https://www.webstaurantstore.com/ball-40000zfp-wide-mouth-lids-and-bands-for-canning-jars-pack/52740000.html\n- Healthy Canning: Lids for home canning: regular mouth 70 mm (2 3/4 in), wide mouth 86 mm (3 3/8 in) — web — site [verify license at link] — https://www.healthycanning.com/lids-for-home-canning/\n- The Cary Company: 70G-450 metal lid spec 30WG70 (GPI 450 finish; tinplate minimum nominal thickness .00605 in) — PDF — distributor spec [verify license at link] — https://www.thecarycompany.com/media/pdf/specs/30WG70.pdf\n- Long Earth Society: Engine builds (videos and write-ups) — web, video — LES site — https://longearthsociety.com/engineering/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/mason-jar-band/index.json\nAPI: https://xemstudio.com/api/geometry?object=mason-jar-band\n",
 "sources": [
  {
   "publisher": "Wikipedia",
   "title": "Mason jar",
   "url": "https://en.wikipedia.org/wiki/Mason_jar",
   "formats": [
    "web"
   ],
   "license": "CC BY-SA 4.0 (text)",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Ball (Newell Brands)",
   "title": "Ball canning jars and lids",
   "url": "https://www.ballmasonjars.com/",
   "formats": [
    "web"
   ],
   "license": "Ball site",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "Comet Tool Co.",
   "title": "70-450 continuous-thread closure drawing (part 1340-0109): T 2.804 in at skirt, E 2.700 in at midpoint, 4 TPI (.250 pitch), 1 1/4 turns",
   "url": "https://www.comet-tool.com/wp-content/uploads/2021/08/70-450-0109-merged.pdf",
   "formats": [
    "PDF"
   ],
   "license": "manufacturer drawing",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "WebstaurantStore (Ball 30000)",
   "title": "Ball regular-mouth lids and bands: top diameter 2 3/4 in, height 9/16 in",
   "url": "https://www.webstaurantstore.com/ball-30000-regular-mouth-replacement-lids-and-bands-pack/52730000.html",
   "formats": [
    "web"
   ],
   "license": "listing",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "WebstaurantStore (Ball 40000ZFP)",
   "title": "Ball wide-mouth lids and bands: top diameter 3 3/8 in, height 5/8 in",
   "url": "https://www.webstaurantstore.com/ball-40000zfp-wide-mouth-lids-and-bands-for-canning-jars-pack/52740000.html",
   "formats": [
    "web"
   ],
   "license": "listing",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "Healthy Canning",
   "title": "Lids for home canning: regular mouth 70 mm (2 3/4 in), wide mouth 86 mm (3 3/8 in)",
   "url": "https://www.healthycanning.com/lids-for-home-canning/",
   "formats": [
    "web"
   ],
   "license": "site",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "The Cary Company",
   "title": "70G-450 metal lid spec 30WG70 (GPI 450 finish; tinplate minimum nominal thickness .00605 in)",
   "url": "https://www.thecarycompany.com/media/pdf/specs/30WG70.pdf",
   "formats": [
    "PDF"
   ],
   "license": "distributor spec",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "Long Earth Society",
   "title": "Engine builds (videos and write-ups)",
   "url": "https://longearthsociety.com/engineering/",
   "formats": [
    "web",
    "video"
   ],
   "license": "LES site",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "mason-jar-lid",
  "mason-jar",
  "rubber-stoppers",
  "o-rings-metric",
  "steel-food-cans"
 ],
 "fits": [
  {
   "role": "Goes in or on",
   "items": [
    {
     "slug": "mason-jar",
     "why": "screws onto the jar's 70-450 thread"
    }
   ]
  },
  {
   "role": "Connects to",
   "items": [
    {
     "slug": "mason-jar-lid",
     "why": "clamps the flat lid"
    }
   ]
  }
 ],
 "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": "band internal thread",
   "exact": "Ø71.22 root / Ø68.58 crest, 6.35 pitch, 1¼ turns RH",
   "mates": "jar 70-450 glass thread",
   "fit": "run",
   "files": "mason-band-"
  }
 ],
 "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 thread is on a regular mason jar?",
   "a": "The 70-450 finish: 4 threads per inch (6.35 mm pitch), single start, right hand, 1¼ turns; in the band the thread root is Ø71.22 and the crest Ø68.58."
  },
  {
   "q": "How tall is a mason jar band?",
   "a": "9/16 in (14.29 mm) for the regular band and 5/8 in (15.88 mm) for the wide-mouth band."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "mason-band-regular-70",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/mason-jars-and-lids/mason-band-regular-70.step",
   "stl": "https://xemstudio.com/files/hardware/mason-jars-and-lids/mason-band-regular-70.stl",
   "note": "regular-mouth screw band, 70-450 internal thread: root Ø71.22 (T), crest Ø68.58 (E), 6.35 mm pitch (4 TPI) single-start right-hand, 1 1/4 turns, 60° L-form 1.32 deep; 14.29 tall (9/16 in), 0.154 mm sheet; top flange not drawn (aperture not published)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/mason-jar-band/index.md"
}