| Grosseur du filets | Grosseur du foret | Grosseur du filets | Grosseur du foret | Grosseur du filets | Grosseur du foret |
| 0 - 80 | 3/64 | 10 -32 | 21 | 5/8 - 18 | 37/64 |
| M1.6 x .35 | 1.25 mm | M5 x .8 | 4.2 mm | M16 x 2 | 35/64 |
| 1 - 64 | 53 | 12 - 24 | 17 | 3/4 - 10 | 21/32 |
| M2 x .4 | 1/16 | 12 - 28 | 15 | 3/4 -16 | 11/16 |
| 1 - 72 | 53 | M6 x 1 | 10 | M20 x 2.5 | 11/16 |
| 2 - 56 | 51 | 1/4 - 20 | 7 | 7/8 - 9 | 49/64 |
| 2 - 64 | 50 | 1/4 - 28 | 3 | 7/8 - 14 | 13/16 |
| M2.5 x .45 | 2.05 mm | 5/16 - 18 | F | M24 x 3 | 53/64 |
| 3 - 48 | 5/64 | 5/16 -24 | I | 1 - 8 | 7/8 |
| 3 - 56 | 46 | M8 x 1.25 | 6.7 mm | 1 - 12 | 59/64 |
| 4 - 40 | 44 | 3/8 - 16 | 5/16 | 1 - 14 | 15/16 |
| 4 - 48 | 42 | 3/8 - 24 | Q | 1-1/8 - 7 | 63/64 |
| M3 x .5 | 40 | M10 x 1.5 | 8.4 mm | 1/18 - 12 | 1-3/64 |
| 5 - 40 | 39 | 7/16 - 14 | U | M30 x 3.5 | 1-3/64 |
| 5 - 44 | 38 | 7/16 - 20 | 25/64 | 1-1/4 - 7 | 1-7/64 |
| M3.5 x .6 | 33 | M14 x 1.75 | 13/32 | 1-1/4 - 12 | 1-11/64 |
| 6 - 32 | 36 | 1/2 - 13 | 27/64 | 1-3/8 - 6 | 1-7/32 |
| 6 - 40 | 33 | 1/2 - 20 | 29/64 | 1-3/8 - 12 | 1-19/64 |
| M4 x .7 | 3.25 mm | M14 x 2 | 15/32 | M36 x 4 | 1-1/4 |
| 8 - 32 | 29 | 9/16 - 12 | 31/64 | 1-1/2 - 6 | 1-11/32 |
| 8 - 36 | 29 | 9/16 - 18 | 33/64 | 1-1/2 - 12 | 1-27/64 |
| 10 - 24 | 25 | 5/8 - 11 | 17/32 |
CHARTE DE GROSSEUR DE MÈCHE
| mm Pouce Numéro | Décimale (pouce) |
| 0.1 mm | .0039 |
| 0.2 mm | .0079 |
| 0.3 mm | .0118 |
| #80 | .0135 |
| #79 | .0145 |
| 1/64 | .0156 |
| 0.4 mm | .0157 |
| #78 | .0160 |
| #77 | .0180 |
| 0.5 mm | .0197 |
| #76 | .0200 |
| #75 | .0210 |
| #74 | .0225 |
| 0.6 mm | .0236 |
| #73 | .0240 |
| #72 | .0250 |
| #71 | .0260 |
| 0.7 mm | .0276 |
| #70 | .0280 |
| #69 | .0292 |
| #68 | .0310 |
| 1/32 | .0312 |
| 0.8 mm | .0315 |
| #67 | .0320 |
| #66 | .0330 |
| #65 | .0350 |
| 0.9 mm | .0354 |
| #64 | .0360 |
| #63 | .0370 |
| #62 | .0380 |
| #61 | .0390 |
| 1 mm | .0394 |
| #60 | .0400 |
| #59 | .0410 |
| #58 | .0420 |
| #57 | .0430 |
| #56 | .0465 |
| 3/64 | .0469 |
| #55 | .0520 |
| #54 | .0550 |
| #53 | .0595 |
| 1/16 | .0625 |
| #52 | .0635 |
| #51 | .0670 |
| #50 | .0700 |
| #49 | .0730 |
| #48 | .0760 |
| 5/64 | .0781 |
| #47 | .0785 |
| 2 mm | .0787 |
| #46 | .0810 |
| mm Pouce Numéro | Décimale (pouce) |
| #45 | .0820 |
| #44 | .0860 |
| #43 | .0890 |
| #42 | .0935 |
| 3/32 | .0938 |
| #41 | .0960 |
| #40 | .0980 |
| #39 | .0995 |
| #38 | .1015 |
| #37 | .1040 |
| #36 | .1065 |
| 7/64 | .1094 |
| #35 | .1100 |
| #34 | .1110 |
| #33 | .1130 |
| #32 | .1160 |
| 3 mm | .1181 |
| #31 | .1200 |
| 1/8 | .1250 |
| #30 | .1285 |
| #29 | .1360 |
| #28 | .1405 |
| 9/64 | .1406 |
| #27 | .1440 |
| #26 | .1470 |
| #25 | .1495 |
| #24 | .1520 |
| #23 | .1540 |
| 5/32 | .1562 |
| #22 | .1570 |
| 4 mm | .1575 |
| #21 | .1590 |
| #20 | .1610 |
| #19 | .1660 |
| #18 | .1695 |
| 11/64 | .1719 |
| #17 | .1730 |
| #16 | .1770 |
| #15 | .1800 |
| #14 | .1820 |
| #13 | .1850 |
| 3/16 | .1875 |
| #12 | .1890 |
| #11 | .1910 |
| #10 | .1935 |
| #9 | .1960 |
| 5 mm | .1968 |
| #8 | .1990 |
| #7 | .2010 |
| 13/64 | .2031 |
| #6 | .2040 |
| mm Pouce Numéro | Décimale (pouce) |
| #5 | .2055 |
| #4 | .2090 |
| #3 | .2130 |
| 7/32 | .2187 |
| #2 | .2210 |
| #1 | .2280 |
| #A | .2340 |
| 15/64 | .2344 |
| 6 mm | .2362 |
| #B | .2380 |
| #C | .2420 |
| #D | .2460 |
| 1/4 | .2500 |
| #F | .2570 |
| #G | .2610 |
| 17/64 | .2656 |
| #H | .2660 |
| #I | .2720 |
| 7 mm | .2756 |
| #J | .2770 |
| #K | .2810 |
| 9/32 | .2812 |
| #L | .2900 |
| #M | .2950 |
| 19/64 | .2969 |
| #N | .3020 |
| 5/16 | .3125 |
| 8 mm | .3150 |
| #O | .3160 |
| #P | .3230 |
| 21/64 | .3281 |
| #Q | .3320 |
| #R | .3390 |
| 11/32 | .3437 |
| #S | .3480 |
| 9 mm | .3543 |
| #T | .3580 |
| 23/64 | .3594 |
| #U | .3680 |
| 3/8 | .3750 |
| #V | .3770 |
| #W | .3860 |
| 25/64 | .3906 |
| 10 mm | .3937 |
| #X | .3970 |
| #Y | .4040 |
| 13/32 | .4062 |
| #Z | .4130 |
| 27/64 | .4219 |
| 11 mm | .4331 |
| 7/16 | .4375 |
| mm Pouce Numéro | Décimale (pouce) |
| 29/64 | .4531 |
| 15/32 | .4687 |
| 12 mm | .4724 |
| 31/64 | .4844 |
| 1/2 | .5000 |
| 13 mm | .5118 |
| 33/64 | .5156 |
| 17/32 | .5312 |
| 35/64 | .5469 |
| 14 mm | .5512 |
| 9/16 | .5625 |
| 37/64 | .5781 |
| 15 mm | .5906 |
| 19/32 | .5937 |
| 39/64 | .6094 |
| 5/8 | .6250 |
| 16 mm | .6299 |
| 41/64 | .6406 |
| 21/32 | .6562 |
| 17 mm | .6693 |
| 43/64 | .6719 |
| 11/16 | .6875 |
| 45/64 | .7031 |
| 18 mm | .7087 |
| 23/32 | .7187 |
| 47/64 | .7344 |
| 19 mm | .7480 |
| 3/4 | .7500 |
| 49/64 | .7656 |
| 25/32 | .7812 |
| 20 mm | .7874 |
| 51/64 | .7969 |
| 13/16 | .8125 |
| 21 mm | .8268 |
| 53/64 | .8281 |
| 27/32 | .8437 |
| 55/64 | .8594 |
| 22 mm | .8661 |
| 7/8 | .8750 |
| 57/64 | .8906 |
| 23 mm | .9055 |
| 29/32 | .9062 |
| 59/64 | .9219 |
| 15/16 | .9375 |
| 24 mm | .9449 |
| 61/64 | .9531 |
| 31/32 | .9687 |
| 25 mm | .9842 |
| 63/64 | .9844 |
| #1 | 1.0000 |