Charte de mèche et taraudage

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