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A version identifier and a reminder that the data is for general guidance are included, along with an advising note to consult qualified experts for stringent specifications.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/template/","Template",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/template/general/","General",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/template/thread-size-pitch-comparison-table-metric-and-imperial-thread-dimensions/565593/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/thread-size-pitch-comparison-table-metric-and-imperial-thread-dimensions/565593.png","ImageObject",442,249,{"name":42,"@type":43},"Rhys","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-30","2026-10-13",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",10,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"What information does the table provide?","Question",{"text":63,"@type":64},"It provides thread size and pitch reference data for different threaded fasteners, including major diameter values and pitch values in both metric and imperial systems.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"Which thread types are covered in metric measurements?",{"text":68,"@type":64},"Metric threads are shown with standard pitch as well as fine and extra-fine pitch categories for multiple M sizes.",{"name":70,"@type":61,"acceptedAnswer":71},"Are the values intended for strict engineering use?",{"text":72,"@type":64},"The document states the data is for general guidance only and should not be solely relied upon for stringent specifications, recommending consultation with qualified 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Metric Threads |  |  |  |  | Size | UNC | UNF | Imperial Threads |  | BSW | Major Ø inch |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| Size | Standard\u003Cbr>Pitch mm | Fine\u003Cbr>Pitch mm | Extra Fine\u003Cbr>Pitch mm | Major Ø, mm |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  | UNS | UN8 |  |  |\n| M1 .6 M2 M2.5 M3\u003Cbr>M4\u003Cbr>M5\u003Cbr>M6\u003Cbr>M7\u003Cbr>M8\u003Cbr>M10\u003Cbr>M12\u003Cbr>M14\u003Cbr>M16\u003Cbr>M18\u003Cbr>M20\u003Cbr>M22\u003Cbr>M24\u003Cbr>M27\u003Cbr>M30\u003Cbr>M33\u003Cbr>M36\u003Cbr>M39\u003Cbr>M42\u003Cbr>M48\u003Cbr>M56\u003Cbr>M64 | 0.35\u003Cbr>0.40\u003Cbr>0.45\u003Cbr>0.50\u003Cbr>0.70\u003Cbr>0.80\u003Cbr>1.00\u003Cbr>1.00\u003Cbr>1.25\u003Cbr>1.50\u003Cbr>1.75\u003Cbr>2.00\u003Cbr>2.00\u003Cbr>2.50\u003Cbr>2.50\u003Cbr>2.50\u003Cbr>3.00\u003Cbr>3.00\u003Cbr>3.50\u003Cbr>3.50\u003Cbr>4.00\u003Cbr>4.00\u003Cbr>4.50\u003Cbr>5.00\u003Cbr>5.50\u003Cbr>6.00 | 1.00\u003Cbr>1.25\u003Cbr>1.50\u003Cbr>1.50\u003Cbr>1.50\u003Cbr>1.50\u003Cbr>1.50\u003Cbr>1.50\u003Cbr>1.50 | 1.00\u003Cbr>1.25 | 1.60 |  |  |  |  |  |  | 0.041 |\n|  |  |  |  | 2.00 |  |  |  |  |  |  | 0.079 |\n|  |  |  |  | 2.50 |  |  |  |  |  |  | 0.98 |\n|  |  |  |  | 3.00 |  |  |  |  |  |  | 0.118 |\n|  |  |  |  | 3.18 | (\\#5) 1/8 | 40 | 44 |  |  | 40 | 0.125 |\n|  |  |  |  | 3.51 | \\#6 | 32 | 40 |  |  |  | 0.138 |\n|  |  |  |  | 4.00 |  |  |  |  |  |  | 0.157 |\n|  |  |  |  | 4.17 | \\#8 | 32 | 36 |  |  |  | 0.164 |\n|  |  |  |  | 4.76 | \\#10 (3/16) | 24 | 32 |  |  | 24 | 0.188 |\n|  |  |  |  | 5.00 |  |  |  |  |  |  | 0.197 |\n|  |  |  |  | 6.00 |  |  |  |  |  |  | 0.236 |\n|  |  |  |  | 6.35 | 1/4 | 20 | 28 |  |  | 20 | 0.250 |\n|  |  |  |  | 7.00 |  |  |  |  |  |  | 0.276 |\n|  |  |  |  | 7.94 | 5/16 | 18 | 24 |  |  | 18 | 0.313 |\n|  |  |  |  | 8.00 |  |  |  |  |  |  | 0.315 |\n|  |  |  |  | 9.53 | 3/8 | 16 | 24 |  |  | 16 | 0.375 |\n|  |  |  |  | 10.00 |  |  |  |  |  |  | 0.394 |\n|  |  |  |  | 11.11 | 7/16 | 14 | 20 |  |  | 14 | 0.438 |\n|  |  |  |  | 12.00 |  |  |  |  |  |  | 0.472 |\n|  |  |  |  | 12.70 | 1/2 | 13 | 20 |  |  | 12 | 0.500 |\n|  |  |  |  | 14.00 |  |  |  |  |  |  | 0.551 |\n|  |  |  |  | 14.29 | 9/16 | 12 | 18 |  |  | 12 | 0.563 |\n|  |  |  |  | 15.88 | 5/8 | 11 | 18 |  |  | 11 | 0.625 |\n|  |  |  |  | 16.00 |  |  |  |  |  |  | 0.630 |\n|  |  |  |  | 18.00 |  |  |  |  |  |  | 0.709 |\n|  |  |  |  | 19.05 | 3/4 | 10 | 16 |  |  | 10 | 0.750 |\n|  |  |  |  | 20.00 |  |  |  |  |  |  | 0.787 |\n|  |  |  |  | 22.00 |  |  |  |  |  |  | 0.866 |\n|  |  |  |  | 22.23 | 7/8 | 9 | 14 |  |  | 9 | 0.875 |\n|  |  |  |  | 24.00 |  |  |  |  |  |  | 0.945 |\n|  |  |  |  | 25.40 | 1 | 8 | 12 | 14 |  | 8 | 1.000 |\n|  |  |  |  | 27.00 |  |  |  |  |  |  | 1.063 |\n|  |  |  |  | 28.58 | 1-1/8 | 7 | 12 |  | 8 | 7 | 1.125 |\n|  |  |  |  | 30.00 |  |  |  |  |  |  | 1.181 |\n|  |  |  |  | 31.75 | 1-1/4 | 7 | 12 |  | 8 | 7 | 1.250 |\n|  |  |  |  | 33.00 |  |  |  |  |  |  | 1.299 |\n|  |  |  |  | 34.93 | 1-3/8 | 6 | 12 |  | 8 | 6 | 1.375 |\n|  |  |  |  | 36.00 |  |  |  |  |  |  | 1.417 |\n|  |  |  |  | 38.10 | 1-1/2 | 6 | 12 |  | 8 | 6 | 1.500 |\n|  |  |  |  | 39.00 |  |  |  |  |  |  | 1.535 |\n|  |  |  |  | 41.28 | 1-5/8 | 5-1/2 | 12 |  | 8 |  | 1.625 |\n|  |  |  |  | 42.00 |  |  |  |  |  |  | 1.654 |\n|  |  |  |  | 44.45 | 1-3/4 | 5 | 12 |  | 8 |  | 1.750 |\n|  |  |  |  | 47.63 | 1-7/8 |  |  |  | 8 |  | 1.875 |\n|  |  |  |  | 48.00 |  |  |  |  |  |  | 1.890 |\n|  |  |  |  | 50.80 | 2 | 4-1/2 | 12 |  | 8 |  | 2.000 |\n|  |  |  |  | 56.00 |  |  |  |  |  |  | 2.205 |\n|  |  |  |  | 64.00 |  |  |  |  |  |  | 2.520 |\n| M72 | 6.00 |  |  | 72.00 |  |  |  |  |  |  | 2.953 |\n\n􀀜 The data provided in this document is for general guidance only and should not be solely relied upon when working to stringent specifications. We recommend consulting with qualified experts regarding any technical queries. This information may change without written notice.  \n􀀟 [milsons.co.nz](milsons.co.nz) MOBILE 0800 507 444 Version No.: 230309 􀀝 1 of 1","cbCainnm8vcfUgmL","https://ap.wps.com/l/cbCainnm8vcfUgmL","pdf",160212,"English","# Thread Size & Pitch Comparison Table\n## Metric threads (standard/fine/extra-fine)\n## Imperial threads (UNC/UNF and related standards)","[{\"question\":\"What information does the table provide?\",\"answer\":\"It provides thread size and pitch reference data for different threaded fasteners, including major diameter values and pitch values in both metric and imperial systems.\"},{\"question\":\"Which thread types are covered in metric measurements?\",\"answer\":\"Metric threads are shown with standard pitch as well as fine and extra-fine pitch categories for multiple M sizes.\"},{\"question\":\"Are the values intended for strict engineering use?\",\"answer\":\"The document states the data is for general guidance only and should not be solely relied upon for stringent specifications, recommending consultation with qualified experts.\"}]","Thread Size & Pitch Comparison Table - Metric and Imperial Thread Dimensions | PDF",1791856354]