{
 "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": "star-knobs-din-6336",
 "name": "Star knobs, DIN 6336 (cast iron), Ø32–80: thread, bore, height and depth",
 "kind": "standard",
 "category": "Hardware",
 "group": "Knobs, handles & feet",
 "year": null,
 "question": "What are the dimensions of a DIN 6336 star knob, and what threads and bores does each size come in?",
 "tags": [
  "star knob",
  "din 6336",
  "clamping knob",
  "hand knob",
  "star grip",
  "ganter"
 ],
 "aliases": [
  "DIN 6336 star knob",
  "Sterngriff DIN 6336",
  "star grip dimensions",
  "star knob M8",
  "star knob M10 height",
  "GN 6336",
  "50 mm star knob dimensions",
  "star handle M6"
 ],
 "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/star-knobs-din-6336/",
 "sheet_txt": "https://xemstudio.com/objects/star-knobs-din-6336/sheet.txt",
 "sheet": {
  "basis": "Ganter's DIN 6336 cast iron star knob page (five sizes, thread and bore options); numbers only",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Columns are Ganter's own symbols in the order printed: d1 (knob diameter), d2 thread for the threaded types D and E, d3 H7 bore for the bored types B and C, then d4, h1, h2 (min.), t1 (min.) and t2. The page prints no units and does not define d4, h1, h2, t1 or t2 in text (its drawing is an image); the values are taken as mm, which is the unit of d1 = 32 to 80 on star knobs, but the page does not say so. Sizes 50, 63 and 80 are offered with two thread / bore options (for example M 8 or M 10 on d1 = 50), 32 and 40 with one.",
   "The table is for the cast iron knob. Ganter's datasheets for the plastic star knob (GN 6336) print their own tables; the column assignment of those PDFs could not be read reliably, so they are not shown and the two are not compared. The page also lists a size 25 for GN 6336.2 only, and its 'see also' mentions stainless, aluminum and plastic versions. Do not mix the tables.",
   "Types: D and E are threaded (stud or tapped), B and C are bored (H7); the page does not describe the types in text. Special bores, threads and cross holes are 'on request'.",
   "Related: wing nuts and wing screws (wing-nuts-din-315-asme-b18-17, wing-screws-din-316), knurled thumb screws (knurled-thumb-screws-din-464) and ball knobs (ball-knobs-din-319). No file: the star outline is not given as numbers. McMaster-Carr sells star knobs with per-part STEP; linked, not copied."
  ],
  "table": {
   "columns": [
    "d1",
    "d2 thread (type D / E)",
    "d3 H7 bore (type B / C)",
    "d4",
    "h1",
    "h2 min",
    "t1 min",
    "t2"
   ],
   "rows": [
    [
     "32",
     "M 6",
     "B 6",
     "12",
     "20",
     "9",
     "12",
     "10"
    ],
    [
     "40",
     "M 8",
     "B 8",
     "14",
     "25",
     "12",
     "15",
     "13"
    ],
    [
     "50",
     "M 8, M 10",
     "B 8, B 10",
     "18",
     "32",
     "15",
     "18",
     "16"
    ],
    [
     "63",
     "M 10, M 12",
     "B 10, B 12",
     "20",
     "40",
     "19",
     "22",
     "20"
    ],
    [
     "80",
     "M 12, M 16",
     "B 12, B 16",
     "25",
     "50",
     "23",
     "28",
     "20"
    ]
   ]
  }
 },
 "sheet_text": "Star knobs, DIN 6336 (cast iron), Ø32–80: thread, bore, height and depth — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/star-knobs-din-6336/  (sheet CC BY 4.0)\nBasis: Ganter's DIN 6336 cast iron star knob page (five sizes, thread and bore options); numbers only\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Columns are Ganter's own symbols in the order printed: d1 (knob diameter), d2 thread for the threaded types D and E, d3 H7 bore for the bored types B and C, then d4, h1, h2 (min.), t1 (min.) and t2. The page prints no units and does not define d4, h1, h2, t1 or t2 in text (its drawing is an image); the values are taken as mm, which is the unit of d1 = 32 to 80 on star knobs, but the page does not say so. Sizes 50, 63 and 80 are offered with two thread / bore options (for example M 8 or M 10 on d1 = 50), 32 and 40 with one.\n- The table is for the cast iron knob. Ganter's datasheets for the plastic star knob (GN 6336) print their own tables; the column assignment of those PDFs could not be read reliably, so they are not shown and the two are not compared. The page also lists a size 25 for GN 6336.2 only, and its 'see also' mentions stainless, aluminum and plastic versions. Do not mix the tables.\n- Types: D and E are threaded (stud or tapped), B and C are bored (H7); the page does not describe the types in text. Special bores, threads and cross holes are 'on request'.\n- Related: wing nuts and wing screws (wing-nuts-din-315-asme-b18-17, wing-screws-din-316), knurled thumb screws (knurled-thumb-screws-din-464) and ball knobs (ball-knobs-din-319). No file: the star outline is not given as numbers. McMaster-Carr sells star knobs with per-part STEP; linked, not copied.\n\nd1  d2 thread (type D / E)  d3 H7 bore (type B / C)  d4  h1  h2 min  t1 min  t2\n32  M 6  B 6  12  20  9  12  10\n40  M 8  B 8  14  25  12  15  13\n50  M 8, M 10  B 8, B 10  18  32  15  18  16\n63  M 10, M 12  B 10, B 12  20  40  19  22  20\n80  M 12, M 16  B 12, B 16  25  50  23  28  20\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Ganter: DIN 6336 star knobs, cast iron: d1, d2 (thread, Type D / E), d3 H7 (bore, Type B / C), d4, h1, h2 min, t1 min, t2; sizes 32 to 80 — web — Maker product page; numbers only. The page prints no units and does not define the symbols — https://www.ganternorm.com/en/products/2.2-Tensioning-clamping-withknobs/Star-knobs/DIN-6336-Star-knobs-Cast-iron\n- McMaster-Carr: Star knobs (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/star-knobs/\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=star-knobs-din-6336\n",
 "sources": [
  {
   "publisher": "Ganter",
   "title": "DIN 6336 star knobs, cast iron: d1, d2 (thread, Type D / E), d3 H7 (bore, Type B / C), d4, h1, h2 min, t1 min, t2; sizes 32 to 80",
   "url": "https://www.ganternorm.com/en/products/2.2-Tensioning-clamping-withknobs/Star-knobs/DIN-6336-Star-knobs-Cast-iron",
   "formats": [
    "web"
   ],
   "license": "Maker product page; numbers only. The page prints no units and does not define the symbols",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "McMaster-Carr",
   "title": "Star knobs (free STEP/IGES per part, for your own design use; no redistribution)",
   "url": "https://www.mcmaster.com/products/star-knobs/",
   "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": [
  "ball-knobs-din-319",
  "fixed-handles-din-39",
  "wing-nuts-din-315-asme-b18-17",
  "wing-screws-din-316",
  "knurled-thumb-screws-din-464",
  "vintage-knob-set",
  "cookware-lids-and-pans"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no tolerance added)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no tolerance added. 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. Typical accuracy by process and ISO 286 fits: https://xemstudio.com/tolerances/",
 "mating": [
  {
   "feature": "thread d2",
   "exact": "M 6 to M 16 by size (see table)",
   "mates": "stud or screw of the same metric thread",
   "fit": "designed",
   "files": "all"
  },
  {
   "feature": "bore d3 H7",
   "exact": "B 6 to B 16 by size (H7 bore)",
   "mates": "shaft of the same nominal diameter",
   "fit": "slide",
   "files": "all"
  }
 ],
 "fit_classes": {
  "press": "stays put: pin, tube, bearing or magnet held by interference. ISO 286 equivalent: H7/p6 (locational interference) or tighter.",
  "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. ISO 286 equivalent: H7/g6 or H7/h6.",
  "run": "turns or slides in use: pin in a link, rod through a guide. ISO 286 equivalent: H8/f7 (close running).",
  "socket": "large sliding fit: syringe barrel, sleeve, bobbin in a bore. ISO 286 equivalent: H9/d9 (free running) or looser.",
  "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 does a Ø50 DIN 6336 star knob have?",
   "a": "M 8 or M 10 (or bore B 8 or B 10), with d4 = 18, h1 = 32, h2 min 15, t1 min 18, t2 = 16 on Ganter's page."
  },
  {
   "q": "How tall is a Ø63 star knob?",
   "a": "The page's h1 is 40 and h2 min 19 (symbols not defined on the page)."
  },
  {
   "q": "Which star knob sizes are standard?",
   "a": "Ø32, 40, 50, 63 and 80 on this page; Ganter's GN 6336.2 also has a Ø25."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/star-knobs-din-6336/index.md"
}