Difference between revisions of "Drill Tap and Clearance Chart"
From Eleccelerator Wiki
| (2 intermediate revisions by one user not shown) | |||
| Line 26: | Line 26: | ||
| align="center" bgcolor="#FFFFFF" class="tablesmall" | <b>Decimal Equiv.</b> | | align="center" bgcolor="#FFFFFF" class="tablesmall" | <b>Decimal Equiv.</b> | ||
|- | |- | ||
| − | | align="center" bgcolor="#E2E2E2" class="tablesmall" | 0 | + | | align="center" bgcolor="#E2E2E2" class="tablesmall" | #0 |
| align="center" bgcolor="#E2E2E2" class="tablesmall" | 0.0600 | | align="center" bgcolor="#E2E2E2" class="tablesmall" | 0.0600 | ||
| align="center" bgcolor="#E2E2E2" class="tablesmall" | 80 | | align="center" bgcolor="#E2E2E2" class="tablesmall" | 80 | ||
| Line 39: | Line 39: | ||
| align="center" bgcolor="#E2E2E2" class="tablesmall" | 0.0700 | | align="center" bgcolor="#E2E2E2" class="tablesmall" | 0.0700 | ||
|- | |- | ||
| − | | align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | 1 | + | | align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | #1 |
| align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | 0.0730 | | align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | 0.0730 | ||
| align="center" bgcolor="#ffffff" class="tablesmall" | 64 | | align="center" bgcolor="#ffffff" class="tablesmall" | 64 | ||
| Line 59: | Line 59: | ||
| align="center" bgcolor="#ffffff" class="tablesmall" | 0.0635 | | align="center" bgcolor="#ffffff" class="tablesmall" | 0.0635 | ||
|- | |- | ||
| − | | align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | 2 | + | | align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | #2 |
| align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | 0.0860 | | align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | 0.0860 | ||
| align="center" bgcolor="#E2E2E2" class="tablesmall" | 56 | | align="center" bgcolor="#E2E2E2" class="tablesmall" | 56 | ||
| Line 79: | Line 79: | ||
| align="center" bgcolor="#E2E2E2" class="tablesmall" | 0.0760 | | align="center" bgcolor="#E2E2E2" class="tablesmall" | 0.0760 | ||
|- | |- | ||
| − | | align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | 3 | + | | align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | #3 |
| align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | 0.0990 | | align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | 0.0990 | ||
| align="center" bgcolor="#ffffff" class="tablesmall" | 48 | | align="center" bgcolor="#ffffff" class="tablesmall" | 48 | ||
| Line 99: | Line 99: | ||
| align="center" bgcolor="#ffffff" class="tablesmall" | 0.0890 | | align="center" bgcolor="#ffffff" class="tablesmall" | 0.0890 | ||
|- | |- | ||
| − | | align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | 4 | + | | align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | #4 |
| align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | 0.1120 | | align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | 0.1120 | ||
| align="center" bgcolor="#E2E2E2" class="tablesmall" | 40 | | align="center" bgcolor="#E2E2E2" class="tablesmall" | 40 | ||
| Line 119: | Line 119: | ||
| align="center" bgcolor="#E2E2E2" class="tablesmall" | 0.0980 | | align="center" bgcolor="#E2E2E2" class="tablesmall" | 0.0980 | ||
|- | |- | ||
| − | | align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | 5 | + | | align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | #5 |
| align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | 0.125 | | align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | 0.125 | ||
| align="center" bgcolor="#ffffff" class="tablesmall" | 40 | | align="center" bgcolor="#ffffff" class="tablesmall" | 40 | ||
| Line 139: | Line 139: | ||
| align="center" bgcolor="#ffffff" class="tablesmall" | 0.1100 | | align="center" bgcolor="#ffffff" class="tablesmall" | 0.1100 | ||
|- | |- | ||
| − | | align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | 6 | + | | align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | #6 |
| align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | 0.138 | | align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | 0.138 | ||
| align="center" bgcolor="#E2E2E2" class="tablesmall" | 32 | | align="center" bgcolor="#E2E2E2" class="tablesmall" | 32 | ||
| Line 159: | Line 159: | ||
| align="center" bgcolor="#E2E2E2" class="tablesmall" | 0.1200 | | align="center" bgcolor="#E2E2E2" class="tablesmall" | 0.1200 | ||
|- | |- | ||
| − | | align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | 8 | + | | align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | #8 |
| align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | 0.1640 | | align="center" bgcolor="#ffffff" rowspan="2" class="tablesmall" | 0.1640 | ||
| align="center" bgcolor="#ffffff" class="tablesmall" | 32 | | align="center" bgcolor="#ffffff" class="tablesmall" | 32 | ||
| Line 179: | Line 179: | ||
| align="center" bgcolor="#ffffff" class="tablesmall" | 0.1470 | | align="center" bgcolor="#ffffff" class="tablesmall" | 0.1470 | ||
|- | |- | ||
| − | | align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | 10 | + | | align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | #10 |
| align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | 0.1900 | | align="center" bgcolor="#E2E2E2" rowspan="2" class="tablesmall" | 0.1900 | ||
| align="center" bgcolor="#E2E2E2" class="tablesmall" | 24 | | align="center" bgcolor="#E2E2E2" class="tablesmall" | 24 | ||
| Line 199: | Line 199: | ||
| align="center" bgcolor="#E2E2E2" class="tablesmall" | 0.1695 | | align="center" bgcolor="#E2E2E2" class="tablesmall" | 0.1695 | ||
|- | |- | ||
| − | | align="center" bgcolor="#ffffff" rowspan="3" class="tablesmall" | 12 | + | | align="center" bgcolor="#ffffff" rowspan="3" class="tablesmall" | #12 |
| align="center" bgcolor="#ffffff" rowspan="3" class="tablesmall" | 0.2160 | | align="center" bgcolor="#ffffff" rowspan="3" class="tablesmall" | 0.2160 | ||
| align="center" bgcolor="#ffffff" class="tablesmall" | 24 | | align="center" bgcolor="#ffffff" class="tablesmall" | 24 | ||
| Line 539: | Line 539: | ||
{| border="1" cellpadding="3" cellspacing="0"<tbody> | {| border="1" cellpadding="3" cellspacing="0"<tbody> | ||
|- | |- | ||
| − | | rowspan="2" colspan="2" align="center" bgcolor="# | + | | rowspan="2" colspan="2" align="center" bgcolor="#E2E2E2" class="tablesmall" | <b>Metric Screw Size</b> |
| − | | rowspan="1" colspan="4" align="center" bgcolor="# | + | | rowspan="1" colspan="4" align="center" bgcolor="#E2E2E2" class="tablesmall" | <b>Tap Drill</b> |
| − | | rowspan="1" colspan="4" align="center" bgcolor="# | + | | rowspan="1" colspan="4" align="center" bgcolor="#E2E2E2" class="tablesmall" | <b>Clearance Drill</b> |
|- | |- | ||
| − | | rowspan="1" colspan="2" align="center" bgcolor="# | + | | rowspan="1" colspan="2" align="center" bgcolor="#E2E2E2" class="tablesmall" | <b>75% Thread for Aluminum, Brass,<br />& Plastics</b> |
| − | | rowspan="1" colspan="2" align="center" bgcolor="# | + | | rowspan="1" colspan="2" align="center" bgcolor="#E2E2E2" class="tablesmall" | <b>50% Thread for Steel, Stainless,<br />& Iron</b> |
| − | | rowspan="1" colspan="2" align="center" bgcolor="# | + | | rowspan="1" colspan="2" align="center" bgcolor="#E2E2E2" class="tablesmall" | <b>Close Fit</b> |
| − | | rowspan="1" colspan="2" align="center" bgcolor="# | + | | rowspan="1" colspan="2" align="center" bgcolor="#E2E2E2" class="tablesmall" | <b>Standard Fit</b> |
|- | |- | ||
| align="center" bgcolor="#FFFFFF" class="tablesmall" | <b>Screw Size<br />(mm)</b> | | align="center" bgcolor="#FFFFFF" class="tablesmall" | <b>Screw Size<br />(mm)</b> | ||
| Line 558: | Line 558: | ||
| align="center" bgcolor="#FFFFFF" class="tablesmall" | <b>Drill Size<br />(mm)</b> | | align="center" bgcolor="#FFFFFF" class="tablesmall" | <b>Drill Size<br />(mm)</b> | ||
| align="center" bgcolor="#FFFFFF" class="tablesmall" | <b>Closest American</b> | | align="center" bgcolor="#FFFFFF" class="tablesmall" | <b>Closest American</b> | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| M1.5 | | M1.5 | ||
| 0.35 | | 0.35 | ||
| Line 580: | Line 580: | ||
| 1.75 | | 1.75 | ||
| 50 | | 50 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| M1.8 | | M1.8 | ||
| 0.35 | | 0.35 | ||
| Line 592: | Line 592: | ||
| 5/64 | | 5/64 | ||
|- | |- | ||
| − | | M2 | + | | rowspan="2" colspan="1" | M2 |
| 0.45 | | 0.45 | ||
| 1.55 | | 1.55 | ||
| Line 603: | Line 603: | ||
| 44 | | 44 | ||
|- | |- | ||
| − | |||
| 0.4 | | 0.4 | ||
| 1.6 | | 1.6 | ||
| Line 613: | Line 612: | ||
| 2.2 | | 2.2 | ||
| 44 | | 44 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| M2.2 | | M2.2 | ||
| 0.45 | | 0.45 | ||
| Line 635: | Line 634: | ||
| 2.75 | | 2.75 | ||
| 7/64 | | 7/64 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | | M3 | + | | rowspan="2" colspan="1" | M3 |
| 0.6 | | 0.6 | ||
| 2.4 | | 2.4 | ||
| Line 646: | Line 645: | ||
| 3.3 | | 3.3 | ||
| 30 | | 30 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | + | ||
| 0.5 | | 0.5 | ||
| 2.5 | | 2.5 | ||
| Line 668: | Line 666: | ||
| 3.85 | | 3.85 | ||
| | | | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | | M4 | + | | rowspan="2" colspan="1" | M4 |
| 0.75 | | 0.75 | ||
| 3.25 | | 3.25 | ||
| Line 679: | Line 677: | ||
| 4.4 | | 4.4 | ||
| 17 | | 17 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | + | ||
| 0.7 | | 0.7 | ||
| 3.3 | | 3.3 | ||
| Line 701: | Line 698: | ||
| 5 | | 5 | ||
| 9 | | 9 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | | M5 | + | | rowspan="3" colspan="1" | M5 |
| 1 | | 1 | ||
| 4 | | 4 | ||
| Line 712: | Line 709: | ||
| 5.5 | | 5.5 | ||
| 7/32 | | 7/32 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | + | ||
| 0.9 | | 0.9 | ||
| 4.1 | | 4.1 | ||
| Line 723: | Line 719: | ||
| 5.5 | | 5.5 | ||
| 7/32 | | 7/32 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | + | ||
| 0.8 | | 0.8 | ||
| 4.2 | | 4.2 | ||
| Line 745: | Line 740: | ||
| 6.1 | | 6.1 | ||
| B | | B | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | | M6 | + | | rowspan="2" colspan="1" | M6 |
| 1 | | 1 | ||
| 5 | | 5 | ||
| Line 756: | Line 751: | ||
| 6.6 | | 6.6 | ||
| G | | G | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | + | ||
| 0.75 | | 0.75 | ||
| 5.25 | | 5.25 | ||
| Line 768: | Line 762: | ||
| G | | G | ||
|- | |- | ||
| − | | M7 | + | | rowspan="2" colspan="1" | M7 |
| 1 | | 1 | ||
| 6 | | 6 | ||
| Line 779: | Line 773: | ||
| N | | N | ||
|- | |- | ||
| − | |||
| 0.75 | | 0.75 | ||
| 6.25 | | 6.25 | ||
| Line 789: | Line 782: | ||
| 7.7 | | 7.7 | ||
| N | | N | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | | M8 | + | | rowspan="2" colspan="1" | M8 |
| 1.25 | | 1.25 | ||
| 6.8 | | 6.8 | ||
| Line 800: | Line 793: | ||
| 8.8 | | 8.8 | ||
| S | | S | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | + | ||
| 1 | | 1 | ||
| 7 | | 7 | ||
| Line 812: | Line 804: | ||
| S | | S | ||
|- | |- | ||
| − | | M9 | + | | rowspan="2" colspan="1" | M9 |
| 1.25 | | 1.25 | ||
| 7.8 | | 7.8 | ||
| Line 823: | Line 815: | ||
| 25/64 | | 25/64 | ||
|- | |- | ||
| − | |||
| 1 | | 1 | ||
| 8 | | 8 | ||
| Line 833: | Line 824: | ||
| 9.9 | | 9.9 | ||
| 25/64 | | 25/64 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | | M10 | + | | rowspan="3" colspan="1" | M10 |
| 1.5 | | 1.5 | ||
| 8.5 | | 8.5 | ||
| Line 844: | Line 835: | ||
| 11 | | 11 | ||
| 7/16 | | 7/16 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | + | ||
| 1.25 | | 1.25 | ||
| 8.8 | | 8.8 | ||
| Line 855: | Line 845: | ||
| 11 | | 11 | ||
| 7/16 | | 7/16 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | + | ||
| 1 | | 1 | ||
| 9 | | 9 | ||
| Line 877: | Line 866: | ||
| 12.1 | | 12.1 | ||
| 15/32 | | 15/32 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | | M12 | + | | rowspan="3" colspan="1" | M12 |
| 1.75 | | 1.75 | ||
| 10.3 | | 10.3 | ||
| Line 888: | Line 877: | ||
| 13.2 | | 13.2 | ||
| 33/64 | | 33/64 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | + | ||
| 1.5 | | 1.5 | ||
| 10.5 | | 10.5 | ||
| Line 899: | Line 887: | ||
| 13.2 | | 13.2 | ||
| 33/64 | | 33/64 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| − | + | ||
| 1.25 | | 1.25 | ||
| 10.8 | | 10.8 | ||
| Line 911: | Line 898: | ||
| 33/64 | | 33/64 | ||
|- | |- | ||
| − | | M14 | + | | rowspan="3" colspan="1" | M14 |
| 2 | | 2 | ||
| 12.1 | | 12.1 | ||
| Line 922: | Line 909: | ||
| 39/64 | | 39/64 | ||
|- | |- | ||
| − | |||
| 1.5 | | 1.5 | ||
| 12.5 | | 12.5 | ||
| Line 933: | Line 919: | ||
| 39/64 | | 39/64 | ||
|- | |- | ||
| − | |||
| 1.25 | | 1.25 | ||
| 12.8 | | 12.8 | ||
| Line 943: | Line 928: | ||
| 15.5 | | 15.5 | ||
| 39/64 | | 39/64 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| M15 | | M15 | ||
| 1.5 | | 1.5 | ||
| Line 955: | Line 940: | ||
| 21/32 | | 21/32 | ||
|- | |- | ||
| − | | M16 | + | | rowspan="2" colspan="1" | M16 |
| 2 | | 2 | ||
| 14 | | 14 | ||
| Line 966: | Line 951: | ||
| 11/16 | | 11/16 | ||
|- | |- | ||
| − | |||
| 1.5 | | 1.5 | ||
| 14.5 | | 14.5 | ||
| Line 976: | Line 960: | ||
| 17.5 | | 17.5 | ||
| 11/16 | | 11/16 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| M17 | | M17 | ||
| 1.5 | | 1.5 | ||
| Line 988: | Line 972: | ||
| 47/64 | | 47/64 | ||
|- | |- | ||
| − | | M18 | + | | rowspan="3" colspan="1" | M18 |
| 2.5 | | 2.5 | ||
| 15.5 | | 15.5 | ||
| Line 999: | Line 983: | ||
| 25/32 | | 25/32 | ||
|- | |- | ||
| − | |||
| 2 | | 2 | ||
| 16 | | 16 | ||
| Line 1,010: | Line 993: | ||
| 25/32 | | 25/32 | ||
|- | |- | ||
| − | |||
| 1.5 | | 1.5 | ||
| 16.5 | | 16.5 | ||
| Line 1,020: | Line 1,002: | ||
| 20 | | 20 | ||
| 25/32 | | 25/32 | ||
| − | |- | + | |- bgcolor="#E2E2E2" |
| M19 | | M19 | ||
| 2.5 | | 2.5 | ||
| Line 1,032: | Line 1,014: | ||
| 53/64 | | 53/64 | ||
|- | |- | ||
| − | | M20 | + | | rowspan="3" colspan="1" | M20 |
| 2.5 | | 2.5 | ||
| 17.5 | | 17.5 | ||
| Line 1,043: | Line 1,025: | ||
| 55/64 | | 55/64 | ||
|- | |- | ||
| − | |||
| 2 | | 2 | ||
| 18 | | 18 | ||
| Line 1,054: | Line 1,035: | ||
| 55/64 | | 55/64 | ||
|- | |- | ||
| − | |||
| 1.5 | | 1.5 | ||
| 18.5 | | 18.5 | ||
Latest revision as of 17:28, 3 July 2015
Related: Fraction Inch Lookup
[edit] Imperial
| Screw Size | Major Diameter | Threads Per Inch | Minor Diameter | Tap Drill | Clearance Drill | ||||||
| 75% Thread for Aluminum, Brass,& Plastics | 50% Thread for Steel, Stainless,& Iron | Close Fit | Free Fit | ||||||||
| Drill Size | Decimal Equiv. | Drill Size | Decimal Equiv. | Drill Size | Decimal Equiv. | Drill Size | Decimal Equiv. | ||||
| #0 | 0.0600 | 80 | 0.0447 | 3/64 | 0.0469 | 55 | 0.0520 | 52 | 0.0635 | 50 | 0.0700 |
| #1 | 0.0730 | 64 | 0.0538 | 53 | 0.0595 | 1/16 | 0.0625 | 48 | 0.0760 | 46 | 0.0810 |
| 72 | 0.0560 | 53 | 0.0595 | 52 | 0.0635 | ||||||
| #2 | 0.0860 | 56 | 0.0641 | 50 | 0.0700 | 49 | 0.0730 | 43 | 0.0890 | 41 | 0.0960 |
| 64 | 0.0668 | 50 | 0.0700 | 48 | 0.0760 | ||||||
| #3 | 0.0990 | 48 | 0.0734 | 47 | 0.0785 | 44 | 0.0860 | 37 | 0.1040 | 35 | 0.1100 |
| 56 | 0.0771 | 45 | 0.0820 | 43 | 0.0890 | ||||||
| #4 | 0.1120 | 40 | 0.0813 | 43 | 0.0890 | 41 | 0.0960 | 32 | 0.1160 | 30 | 0.1285 |
| 48 | 0.0864 | 42 | 0.0935 | 40 | 0.0980 | ||||||
| #5 | 0.125 | 40 | 0.0943 | 38 | 0.1015 | 7/64 | 0.1094 | 30 | 0.1285 | 29 | 0.1360 |
| 44 | 0.0971 | 37 | 0.1040 | 35 | 0.1100 | ||||||
| #6 | 0.138 | 32 | 0.0997 | 36 | 0.1065 | 32 | 0.1160 | 27 | 0.1440 | 25 | 0.1495 |
| 40 | 0.1073 | 33 | 0.1130 | 31 | 0.1200 | ||||||
| #8 | 0.1640 | 32 | 0.1257 | 29 | 0.1360 | 27 | 0.1440 | 18 | 0.1695 | 16 | 0.1770 |
| 36 | 0.1299 | 29 | 0.1360 | 26 | 0.1470 | ||||||
| #10 | 0.1900 | 24 | 0.1389 | 25 | 0.1495 | 20 | 0.1610 | 9 | 0.1960 | 7 | 0.2010 |
| 32 | 0.1517 | 21 | 0.1590 | 18 | 0.1695 | ||||||
| #12 | 0.2160 | 24 | 0.1649 | 16 | 0.1770 | 12 | 0.1890 | 2 | 0.2210 | 1 | 0.2280 |
| 28 | 0.1722 | 14 | 0.1820 | 10 | 0.1935 | ||||||
| 32 | 0.1777 | 13 | 0.1850 | 9 | 0.1960 | ||||||
| 1/4 | 0.2500 | 20 | 0.1887 | 7 | 0.2010 | 7/32 | 0.2188 | F | 0.2570 | H | 0.2660 |
| 28 | 0.2062 | 3 | 0.2130 | 1 | 0.2280 | ||||||
| 32 | 0.2117 | 7/32 | 0.2188 | 1 | 0.2280 | ||||||
| 5/16 | 0.3125 | 18 | 0.2443 | F | 0.2570 | J | 0.2770 | P | 0.3230 | Q | 0.3320 |
| 24 | 0.2614 | I | 0.2720 | 9/32 | 0.2812 | ||||||
| 32 | 0.2742 | 9/32 | 0.2812 | L | 0.2900 | ||||||
| 3/8 | 0.3750 | 16 | 0.2983 | 5/16 | 0.3125 | Q | 0.3320 | W | 0.3860 | X | 0.3970 |
| 24 | 0.3239 | Q | 0.3320 | S | 0.3480 | ||||||
| 32 | 0.3367 | 11/32 | 0.3438 | T | 0.3580 | ||||||
| 7/16 | 0.4375 | 14 | 0.3499 | U | 0.3680 | 25/64 | 0.3906 | 29/64 | 0.4531 | 15/32 | 0.4687 |
| 20 | 0.3762 | 25/64 | 0.3906 | 13/32 | 0.4062 | ||||||
| 28 | 0.3937 | Y | 0.4040 | Z | 0.4130 | ||||||
| 1/2 | 0.5000 | 13 | 0.4056 | 27/64 | 0.4219 | 29/64 | 0.4531 | 33/64 | 0.5156 | 17/32 | 0.5312 |
| 20 | 0.4387 | 29/64 | 0.4531 | 15/32 | 0.4688 | ||||||
| 28 | 0.4562 | 15/32 | 0.4688 | 15/32 | 0.4688 | ||||||
| 9/16 | 0.5625 | 12 | 0.4603 | 31/64 | 0.4844 | 33/64 | 0.5156 | 37/64 | 0.5781 | 19/32 | 0.5938 |
| 18 | 0.4943 | 33/64 | 0.5156 | 17/32 | 0.5312 | ||||||
| 24 | 0.5114 | 33/64 | 0.5156 | 17/32 | 0.5312 | ||||||
| 5/8 | 0.6250 | 11 | 0.5135 | 17/32 | 0.5312 | 9/16 | 0.5625 | 41/64 | 0.6406 | 21/32 | 0.6562 |
| 18 | 0.5568 | 37/64 | 0.5781 | 19/32 | 0.5938 | ||||||
| 24 | 0.5739 | 37/64 | 0.5781 | 19/32 | 0.5938 | ||||||
| 11/16 | 0.6875 | 24 | 0.6364 | 41/64 | 0.6406 | 21/32 | 0.6562 | 45/64 | 0.7031 | 23/32 | 0.6562 |
| 3/4 | 0.7500 | 10 | 0.6273 | 21/32 | 0.6562 | 11/16 | 0.6875 | 49/64 | 0.7656 | 25/32 | 0.7812 |
| 16 | 0.6733 | 11/16 | 0.6875 | 45/64 | 0.7031 | ||||||
| 20 | 0.6887 | 45/64 | 0.7031 | 23/32 | 0.7188 | ||||||
| 13/16 | 0.8125 | 20 | 0.7512 | 49/64 | 0.7656 | 25/32 | 0.7812 | 53/64 | 0.8281 | 27/32 | 0.8438 |
| 7/8 | 0.8750 | 9 | 0.7387 | 49/64 | 0.7656 | 51/64 | 0.7969 | 57/64 | 0.8906 | 29/32 | 0.9062 |
| 14 | 0.7874 | 13/16 | 0.8125 | 53/64 | 0.8281 | ||||||
| 20 | 0.8137 | 53/64 | 0.8281 | 27/32 | 0.8438 | ||||||
| 15/16 | 0.9375 | 20 | 0.8762 | 57/64 | 0.8906 | 29/32 | 0.9062 | 61/64 | 0.9531 | 31/32 | 0.9688 |
| 1 | 1.000 | 8 | 0.8466 | 7/8 | 0.8750 | 59/64 | 0.9219 | 1-1/64 | 1.0156 | 1-1/32 | 1.0313 |
| 12 | 0.8978 | 15/16 | 0.9375 | 61/64 | 0.9531 | ||||||
| 20 | 0.9387 | 61/64 | 0.9531 | 31/32 | 0.9688 | ||||||
[edit] Metric
| Metric Screw Size | Tap Drill | Clearance Drill | |||||||
| 75% Thread for Aluminum, Brass, & Plastics |
50% Thread for Steel, Stainless, & Iron |
Close Fit | Standard Fit | ||||||
| Screw Size (mm) |
Thread Pitch (mm) |
Drill Size (mm) |
Closest American | Drill Size (mm) |
Closest American | Drill Size (mm) |
Closest American | Drill Size (mm) |
Closest American |
| M1.5 | 0.35 | 1.15 | 56 | 1.25 | 55 | 1.6 | 1/16 | 1.65 | 52 |
| M1.6 | 0.35 | 1.25 | 55 | 1.35 | 54 | 1.7 | 51 | 1.75 | 50 |
| M1.8 | 0.35 | 1.45 | 53 | 1.55 | 1/16 | 1.9 | 49 | 2 | 5/64 |
| M2 | 0.45 | 1.55 | 1/16 | 1.7 | 51 | 2.1 | 45 | 2.2 | 44 |
| 0.4 | 1.6 | 52 | 1.75 | 50 | 2.1 | 45 | 2.2 | 44 | |
| M2.2 | 0.45 | 1.75 | 50 | 1.9 | 48 | 2.3 | 3/32 | 2.4 | 41 |
| M2.5 | 0.45 | 2.05 | 46 | 2.2 | 44 | 2.65 | 37 | 2.75 | 7/64 |
| M3 | 0.6 | 2.4 | 41 | 2.6 | 37 | 3.15 | 1/8 | 3.3 | 30 |
| 0.5 | 2.5 | 39 | 2.7 | 36 | 3.15 | 1/8 | 3.3 | 24 | |
| M3.5 | 0.6 | 2.9 | 32 | 3.1 | 31 | 3.7 | 27 | 3.85 | |
| M4 | 0.75 | 3.25 | 30 | 3.5 | 28 | 4.2 | 19 | 4.4 | 17 |
| 0.7 | 3.3 | 30 | 4.5 | 28 | 4.2 | 19 | 4.4 | 17 | |
| M4.5 | 0.75 | 3.75 | 25 | 4 | 22 | 4.75 | 13 | 5 | 9 |
| M5 | 1 | 4 | 21 | 4.4 | 11/64 | 5.25 | 5 | 5.5 | 7/32 |
| 0.9 | 4.1 | 22 | 4.4 | 17 | 5.25 | 5 | 5.5 | 7/32 | |
| 0.8 | 4.2 | 19 | 4.5 | 16 | 5.25 | 5 | 5.5 | 7/32 | |
| M5.5 | 0.9 | 4.6 | 14 | 4.9 | 10 | 5.8 | 1 | 6.1 | B |
| M6 | 1 | 5 | 8 | 5.4 | 4 | 6.3 | E | 6.6 | G |
| 0.75 | 5.25 | 4 | 5.5 | 7/32 | 6.3 | E | 6.6 | G | |
| M7 | 1 | 6 | B | 6.4 | E | 7.4 | L | 7.7 | N |
| 0.75 | 6.25 | D | 6.5 | F | 7.4 | L | 7.7 | N | |
| M8 | 1.25 | 6.8 | H | 7.2 | J | 8.4 | Q | 8.8 | S |
| 1 | 7 | J | 7.4 | L | 8.4 | Q | 8.8 | S | |
| M9 | 1.25 | 7.8 | N | 8.2 | P | 9.5 | 3/8 | 9.9 | 25/64 |
| 1 | 8 | O | 8.4 | 21/64 | 9.5 | 3/8 | 9.9 | 25/64 | |
| M10 | 1.5 | 8.5 | R | 9 | T | 10.5 | Z | 11 | 7/16 |
| 1.25 | 8.8 | 11/32 | 9.2 | 23/64 | 10.5 | Z | 11 | 7/16 | |
| 1 | 9 | T | 9.4 | U | 10.5 | Z | 11 | 7/16 | |
| M11 | 1.5 | 9.5 | 3/8 | 10 | X | 11.6 | 29/64 | 12.1 | 15/32 |
| M12 | 1.75 | 10.3 | 13/32 | 10.9 | 23/64 | 12.6 | 1/2 | 13.2 | 33/64 |
| 1.5 | 10.5 | Z | 11 | 7/16 | 12.6 | 1/2 | 13.2 | 33/64 | |
| 1.25 | 10.8 | 27/64 | 11.2 | 7/16 | 12.6 | 1/2 | 13.2 | 33/64 | |
| M14 | 2 | 12.1 | 15/32 | 12.7 | 1/2 | 14.75 | 37/64 | 15.5 | 39/64 |
| 1.5 | 12.5 | 1/2 | 13 | 33/64 | 14.75 | 37/64 | 15.5 | 39/64 | |
| 1.25 | 12.8 | 1/2 | 13.2 | 33/64 | 14.75 | 37/64 | 15.5 | 39/64 | |
| M15 | 1.5 | 13.5 | 17/32 | 14 | 35/64 | 15.75 | 5/8 | 16.5 | 21/32 |
| M16 | 2 | 14 | 35/64 | 14.75 | 37/64 | 16.75 | 21/32 | 17.5 | 11/16 |
| 1.5 | 14.5 | 37/64 | 15 | 19/32 | 16.75 | 21/32 | 17.5 | 11/16 | |
| M17 | 1.5 | 15.5 | 39/65 | 16 | 5/8 | 18 | 45/64 | 18.5 | 47/64 |
| M18 | 2.5 | 15.5 | 39/65 | 16.5 | 41/64 | 19 | 3/4 | 20 | 25/32 |
| 2 | 16 | 5/8 | 16.75 | 21/32 | 19 | 3/4 | 20 | 25/32 | |
| 1.5 | 16.5 | 21/32 | 17 | 43/64 | 19 | 3/4 | 20 | 25/32 | |
| M19 | 2.5 | 16.5 | 21/32 | 17.5 | 11/16 | 20 | 25/32 | 21 | 53/64 |
| M20 | 2.5 | 17.5 | 11/16 | 18.5 | 23/32 | 21 | 53/64 | 22 | 55/64 |
| 2 | 18 | 45/64 | 18.5 | 47/64 | 21 | 53/64 | 22 | 55/64 | |
| 1.5 | 18.5 | 47/64 | 19 | 3/4 | 21 | 53/64 | 22 | 55/64 | |
