[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-1-en-105":3,"doc-seo-564408-105":53,"doc-detail-564408-en":127},{"code":4,"msg":5,"data":6},0,"success",[7,14,19,24,29,34,39,44,49],{"id":8,"doc_module":9,"doc_module_name":10,"category_name":11,"show_sort_weight":12,"slug":13},11,1,"Template","Presentations",90,"presentations",{"id":15,"doc_module":9,"doc_module_name":10,"category_name":16,"show_sort_weight":17,"slug":18},12,"Resumes",80,"resumes",{"id":20,"doc_module":9,"doc_module_name":10,"category_name":21,"show_sort_weight":22,"slug":23},14,"Invoices",70,"invoices",{"id":25,"doc_module":9,"doc_module_name":10,"category_name":26,"show_sort_weight":27,"slug":28},15,"Posters",60,"posters",{"id":30,"doc_module":9,"doc_module_name":10,"category_name":31,"show_sort_weight":32,"slug":33},16,"Social Media",50,"social-media",{"id":35,"doc_module":9,"doc_module_name":10,"category_name":36,"show_sort_weight":37,"slug":38},17,"Forms",40,"forms",{"id":40,"doc_module":9,"doc_module_name":10,"category_name":41,"show_sort_weight":42,"slug":43},18,"Letters",30,"letters",{"id":45,"doc_module":9,"doc_module_name":10,"category_name":46,"show_sort_weight":47,"slug":48},21,"Paper Templates",5,"papers-templates",{"id":50,"doc_module":9,"doc_module_name":10,"category_name":51,"show_sort_weight":4,"slug":52},158,"General","general-158",{"code":4,"msg":54,"data":55},"ok",{"site_id":56,"language":57,"slug":58,"title":59,"keywords":60,"description":61,"schema_data":62,"social_meta":120,"head_meta":122,"extra_data":124,"updated_unix":126},105,"en","tapping-drill-size-for-thread-forming-thread","Tapping Drill Size for Thread Forming - % THREAD","","Tapping drill size reference tables for producing threaded holes at specified thread-formation percentages. Covers metric and UNC/UNF thread systems, listing pitch drill sizes and corresponding tap diameters in millimeters, plus UNC/UNF drill size entries with TPI values. Provides lookup-style data to select a drill diameter and tap size aligned with thread pitch and target thread-formation percentage for consistent tapping results.",{"@graph":63,"@context":119},[64,80,102],{"@type":65,"itemListElement":66},"BreadcrumbList",[67,71,74,77],{"item":68,"name":69,"@type":70,"position":9},"https://docshare.wps.com","Home","ListItem",{"item":72,"name":10,"@type":70,"position":73},"https://docshare.wps.com/template/",2,{"item":75,"name":51,"@type":70,"position":76},"https://docshare.wps.com/template/general/",3,{"item":78,"name":59,"@type":70,"position":79},"https://docshare.wps.com/template/tapping-drill-size-for-thread-forming-thread/564408/",4,{"url":78,"name":59,"@type":81,"image":82,"author":87,"headline":59,"publisher":90,"fileFormat":93,"inLanguage":57,"description":61,"dateModified":94,"datePublished":95,"encodingFormat":93,"isAccessibleForFree":96,"interactionStatistic":97},"DigitalDocument",{"url":83,"@type":84,"width":85,"height":86},"https://docshare.wps.com/thumbnails/tapping-drill-size-for-thread-forming-thread/564408.png","ImageObject",442,249,{"name":88,"@type":89},"Nguyễn Văn Học","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-10-28","2026-10-12",true,{"@type":98,"interactionType":99,"userInteractionCount":101},"InteractionCounter",{"@type":100},"ViewAction",8,{"@type":103,"mainEntity":104},"FAQPage",[105,111,115],{"name":106,"@type":107,"acceptedAnswer":108},"What information do these tables provide for tapping?","Question",{"text":109,"@type":110},"They provide drill sizes and tap diameters (in mm) for different thread systems and pitch values, formatted as lookup tables.","Answer",{"name":112,"@type":107,"acceptedAnswer":113},"Which thread standards are included?",{"text":114,"@type":110},"The document includes metric threads and UNC/UNF threads.",{"name":116,"@type":107,"acceptedAnswer":117},"How do the tables relate thread pitch to drill size?",{"text":118,"@type":110},"For each thread pitch, the tables list the corresponding pitch drill size and the tap diameter so users can match drill diameter selection to the intended tap thread.","https://schema.org",{"og:url":78,"og:type":121,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":123,"canonical":78},"index,follow",{"doc_id":125,"site_id":56},564408,1792083779,{"code":4,"msg":5,"data":128},{"doc_id":125,"user_id":129,"nickname":88,"user_avatar":130,"doc_module":9,"category_id":50,"category_name":51,"doc_title":59,"doc_description":61,"doc_content":131,"file_id":132,"file_url":133,"file_type":134,"file_size":135,"view_count":101,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":73,"language":136,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":137,"faqs":138,"seo_title":139,"seo_description":61,"update_tm":140,"read_time":9},1374402739827,"https://ap-avatar.wpscdn.com/avatar/14000c97e7351f1a627?x-image-process=image/resize,m_fixed,w_180,h_180&k=1787885694763230660","# Technical Information\n\n\n| DRILL SIZE FOR  \u003Cbr>Metric Threads  \u003Cbr>Pitch Drill size  \u003Cbr>Tap  \u003Cbr>Dia.  \u003Cbr>mm  \u003Cbr>mm   |  T   | HREAD FORMING @  \u003Cbr>Metric Threads  \u003Cbr>Pitch Drill size  \u003Cbr>Tap Dia.  \u003Cbr>mm  \u003Cbr>mm   |  | 55%THREAD  \u003Cbr>UNC/UNF Threads  \u003Cbr>Drill size  \u003Cbr>Tap  \u003Cbr>TPI  \u003Cbr>mm  \u003Cbr>Size   |\n| --- | --- | --- | --- | --- |\n| M 1  \u003Cbr>0.91  \u003Cbr>0.25  \u003Cbr>M 1.1  \u003Cbr>1.01  \u003Cbr>0.25   |  | M 10  \u003Cbr>9.72  \u003Cbr>0.75  \u003Cbr>1.00  \u003Cbr>M 10  \u003Cbr>9.63   |  | 2.01  \u003Cbr>2  \u003Cbr>56  \u003Cbr>2.04  \u003Cbr>2  \u003Cbr>64   |\n| 1.11  \u003Cbr>0.25  \u003Cbr>M 1.2  \u003Cbr>1.29  \u003Cbr>0.30  \u003Cbr>M 1.4   |  | 9.53  \u003Cbr>1.25  \u003Cbr>M 10  \u003Cbr>9.44  \u003Cbr>1.50  \u003Cbr>M 10   |  | 2.32  \u003Cbr>3  \u003Cbr>48  \u003Cbr>2.34  \u003Cbr>3  \u003Cbr>56   |\n| 0.35  \u003Cbr>M 1.6  \u003Cbr>1.47  \u003Cbr>1.57  \u003Cbr>0.35  \u003Cbr>M 1.7   |  | 0.75  \u003Cbr>M 11  \u003Cbr>10.72  \u003Cbr>10.63  \u003Cbr>1.00  \u003Cbr>M 11   |  | 2.61  \u003Cbr>40  \u003Cbr>4  \u003Cbr>2.65  \u003Cbr>4  \u003Cbr>48   |\n| 1.67  \u003Cbr>0.35  \u003Cbr>M 1.8  \u003Cbr>1.85  \u003Cbr>0.40  \u003Cbr>M 2   |  | 10.44  \u003Cbr>1.50  \u003Cbr>M 11  \u003Cbr>11.63  \u003Cbr>1.00  \u003Cbr>M 12   |  | 2.94  \u003Cbr>40  \u003Cbr>5  \u003Cbr>2.96  \u003Cbr>44  \u003Cbr>5   |\n| M 2.2  \u003Cbr>2.03  \u003Cbr>0.45  \u003Cbr>0.40  \u003Cbr>M 2.3  \u003Cbr>2.15   |  | 1.25  \u003Cbr>M 12  \u003Cbr>11.53  \u003Cbr>1.50  \u003Cbr>M 12  \u003Cbr>11.44   |  | 3.21  \u003Cbr>32  \u003Cbr>6  \u003Cbr>3.27  \u003Cbr>40  \u003Cbr>6   |\n| 2.33  \u003Cbr>0.45  \u003Cbr>M 2.5  \u003Cbr>2.43  \u003Cbr>0.45  \u003Cbr>M 2.6   |  | 11.35  \u003Cbr>1.75  \u003Cbr>M 12  \u003Cbr>13.63  \u003Cbr>1.00  \u003Cbr>M 14   |  | 3.87  \u003Cbr>8  \u003Cbr>32  \u003Cbr>3.90  \u003Cbr>8  \u003Cbr>36   |\n| M 3  \u003Cbr>2.81  \u003Cbr>0.50  \u003Cbr>3.28  \u003Cbr>0.60  \u003Cbr>M 3.5   |  | 13.53  \u003Cbr>M 14  \u003Cbr>1.25  \u003Cbr>1.50  \u003Cbr>M 14  \u003Cbr>13.44   |  | 4.43  \u003Cbr>24  \u003Cbr>10  \u003Cbr>4.53  \u003Cbr>32  \u003Cbr>10   |\n| 3.74  \u003Cbr>0.70  \u003Cbr>M 4  \u003Cbr>4.22  \u003Cbr>0.75  \u003Cbr>M 4.5   |  | 13.25  \u003Cbr>2.00  \u003Cbr>M 14  \u003Cbr>14.63  \u003Cbr>1.00  \u003Cbr>M 15   |  | 5.09  \u003Cbr>24  \u003Cbr>12  \u003Cbr>5.15  \u003Cbr>28  \u003Cbr>12   |\n| 4.81  \u003Cbr>0.50  \u003Cbr>M 5  \u003Cbr>4.70  \u003Cbr>0.80  \u003Cbr>M 5   |  | 14.44  \u003Cbr>1.50  \u003Cbr>M 15  \u003Cbr>15.63  \u003Cbr>1.00  \u003Cbr>M 16   |  | 5.88  \u003Cbr>1/4  \u003Cbr>20  \u003Cbr>6.01  \u003Cbr>28  \u003Cbr>1/4   |\n| 5.31  \u003Cbr>0.50  \u003Cbr>M 5.5  \u003Cbr>5.72  \u003Cbr>0.75  \u003Cbr>M 6   |  | 15.44  \u003Cbr>1.50  \u003Cbr>M 16  \u003Cbr>15.25  \u003Cbr>2.00  \u003Cbr>M 16   |  | 5/16  \u003Cbr>7.41  \u003Cbr>18  \u003Cbr>7.54  \u003Cbr>5/16  \u003Cbr>24   |\n| M 6  \u003Cbr>5.63  \u003Cbr>1.00  \u003Cbr>6.72  \u003Cbr>0.75  \u003Cbr>M 7   |  | M 17  \u003Cbr>1.00  \u003Cbr>16.63  \u003Cbr>16.44  \u003Cbr>1.50  \u003Cbr>M 17   |  | 8.93  \u003Cbr>16  \u003Cbr>3/8  \u003Cbr>9.13  \u003Cbr>24  \u003Cbr>3/8   |\n| 6.63  \u003Cbr>1.00  \u003Cbr>M 7  \u003Cbr>7.72  \u003Cbr>0.75  \u003Cbr>M8   |  | 17.63  \u003Cbr>1.00  \u003Cbr>M 18  \u003Cbr>17.44  \u003Cbr>1.50  \u003Cbr>M 18   |  | 10.43  \u003Cbr>7/16  \u003Cbr>14  \u003Cbr>10.64  \u003Cbr>7/16  \u003Cbr>20   |\n| 7.63  \u003Cbr>1.00  \u003Cbr>M 8  \u003Cbr>7.53  \u003Cbr>1.25  \u003Cbr>M8   |  | M 18  \u003Cbr>2.00  \u003Cbr>17.25  \u003Cbr>17.07  \u003Cbr>2.50  \u003Cbr>M 18   |  | 11.97  \u003Cbr>13  \u003Cbr>1/2  \u003Cbr>12.23  \u003Cbr>20  \u003Cbr>1/2   |\n| 8.72  \u003Cbr>0.75  \u003Cbr>M 9  \u003Cbr>8.63  \u003Cbr>M 9  \u003Cbr>1.00   |  | 1.00  \u003Cbr>M 20  \u003Cbr>19.63  \u003Cbr>M 20  \u003Cbr>2.50  \u003Cbr>19.07   |  | 13.50  \u003Cbr>9/16  \u003Cbr>12  \u003Cbr>18  \u003Cbr>13.76  \u003Cbr>9/16   |\n| 8.53  \u003Cbr>1.25  \u003Cbr>M 9   |  |  |  | 11  \u003Cbr>5/8  \u003Cbr>15.01  \u003Cbr>15.35  \u003Cbr>18  \u003Cbr>5/8   |\n|  |  |  |  |  |\n|  |  |  |  | 10  \u003Cbr>18.10  \u003Cbr>3/4  \u003Cbr>18.46  \u003Cbr>16  \u003Cbr>3/4   |\n|  |  |  |  | 9  \u003Cbr>21.17  \u003Cbr>7/8  \u003Cbr>21.55  \u003Cbr>14  \u003Cbr>7/8   |\n|  |  |  |  | 24.21  \u003Cbr>8  \u003Cbr>1  \u003Cbr>1  \u003Cbr>24.61  \u003Cbr>12   |\n\nDRILL SIZE FOR THREAD FORMING @57.5%THREAD  \nUNC/UNF Threads  \nMetric Threads  \nMetric Threads  \nPitch Drillsize  \nPitch Drill size  \nTap  \nTap  \nTap  \nDrill size  \nTPI  \nDia.  \nDia.  \nSize  \nmm  \nmm  \nmm  \nmm  \nmm  \nM 1  \n0.25  \n0.90  \nM 10  \n0.75  \n9.71  \n2  \n2.01  \n56  \nM 1.1  \n0.25  \n1.00  \nM 10  \n1.00  \n2  \n2.03  \n64  \n9.61  \n1.10  \nM 1.2  \n0.25  \nM 10  \n1.25  \n3  \n2.31  \n9.51  \n48  \n3  \nM 1.4  \n0.30  \n1.28  \nM 10  \n1.50  \n2.34  \n56  \n9.41  \nM 1.6  \n0.35  \n1.46  \nM 11  \n0.75  \n10.71  \n4  \n40  \n2.60  \nM 1.7  \n0.35  \n1.56  \nM 11  \n1.00  \n4  \n2.64  \n10.61  \n48  \nM 11  \nM 1.8  \n1.66  \n5  \n40  \n0.35  \n1.50  \n10.41  \n2.93  \n100  \nM 2  \n0.40  \n1.84  \nM 12  \n5  \n44  \n11.61  \n2.95  \nM 12  \nM 2.2  \n0.45  \n2.02  \n1.25  \n11.51  \n6  \n3.19  \n32  \nM 2.3  \n0.40  \n2.14  \nM 12  \n1.50  \n3.26  \n11.41  \n6  \n40  \n0.45  \n2.32  \nM 12  \n1.7","cbCaiv3iiirqtgXt","https://ap.wps.com/l/cbCaiv3iiirqtgXt","pdf",1250840,"English","# Technical Information\n## Drill size tables for thread forming","[{\"question\":\"What information do these tables provide for tapping?\",\"answer\":\"They provide drill sizes and tap diameters (in mm) for different thread systems and pitch values, formatted as lookup tables.\"},{\"question\":\"Which thread standards are included?\",\"answer\":\"The document includes metric threads and UNC/UNF threads.\"},{\"question\":\"How do the tables relate thread pitch to drill size?\",\"answer\":\"For each thread pitch, the tables list the corresponding pitch drill size and the tap diameter so users can match drill diameter selection to the intended tap thread.\"}]","Tapping Drill Size for Thread Forming - % THREAD | PDF",1791841984]