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Retour Index Outils & Références  Index  ANSI Fôret standard  ISO Fôret métric et conversion en impérial ANSI Foret standard # Foret  Decimal    # Foret  Decimal    # Foret  Decimal   # Foret  Decimal    # Foret  Decimal 80 .0135" 70 .0280" 60 .0400" 51 .0670" 3/32 .0938" 79 .0145" 69 .0292" 59 .0410" 50 .0700" 41 .0960" 1/64 .0156" 68 .0310" 58 .0420" 49 .0730" 40 .0980" 78 .0160" 1/32 .0313" 57 .0430" 48 .0760" 39 .0995" 77 .0180" 67 .0320" 56 .0465" 5/64 .0781" 38 .1015" 76 .0200" 66 .0330" 3/64 .0469" 47 .0785" 37 .1040" 75 .0210" 65 .0350" 55 .0520" 46 .0810" 36 .1065" 74 .0225" 64 .0360" 54 .0550" 45 .0820" 7/64 .1094" 73 .0240" 63 .0370" 53 .0595" 44 .0860" 35 .1100" 72 .0250" 62 .0380" 1/16 .0625" 43 .0890" 34 .1110" 71 .0260" 61 .0390" 52 .0635" 42 .0935" 33 .1130" # Foret  Decimal    # Foret  Decimal    # Foret  Decimal    # Foret  Decimal    # Foret  Decimal 32 .1160" 23 .1540" 14 .1820" 5 .2055" E .2500" 31 .1200" 5/32 .1562" 13 .1850" 4 .2090" 1/4 .2500" 1/8 .1250" 22 .1570" 3/16 .1875" 3 .2130" F .2570" 30 .1285" 21 .1590" 12 .1890" 7/32 .2188" G .2610" 29 .1360" 20 .1610" 11 .1910" 2 .2210" 17/64 .2656" 28 .1405" 19 .1660" 10 .1935" 1 .2280" H .2660" 9/64 .1406" 18 .1695" 9 .1960" A .2340" I .2720" 27 .1440" 11/64 .1719" 8 .1990" 15/64 .2344" J .2770" 26 .1470" 17 .1730" 7 .2010" B .2380" K .2810" 25 .1495" 16 .1770" 13/64 .2031" C .2420" 9/32 .2812" 24 .1520" 15 .1800" 6 .2040" D .2460" L .2900" # Foret  # Foret    # Foret  Decimal    # Foret  Decimal    # Foret  Decimal    # Foret  Decimal M .2950" 23/64 .3594" 29/64 .4531" 41/64 .6406" 53/64 .8281" 19/64 .2969" U .3680" 15/32 .4688" 21/32 .6562" 27/32 .8438" N .3020" 3/8 .3750" 31/64 .4844" 43/64 .6719" 55/64 .8594" 5/16 .3125" V .3770" 1/2 .5000" 11/16 .6875" 7/8 .8750" O .3160" W .3860" 33/64 .5156" 45/64 .7031" 57/64 .8906" P .3230" 25/64 .3906" 17/32 .5313" 23/32 .7188" 29/32 .9062" 21/64 .3281" X .3970" 35/64 .5469" 47/64 .7344" 59/64 .9219" Q .3320" Y .4040" 9/16 .5625" 3/4 .7500" 15/16 .9375" R .3390" 13/32 .4062" 37/64 .5781" 49/64 .7656" 61/64 .9531" 11/32 .3438" Z .4130 19/32 .5938" 25/32 .7812" 31/32 .9688" S .3480" 27/64 .4219" 39/64 .6094" 51/64 .7969" 63/64 .9844" T .3580" 7/16 .4375" 5/8 .6250" 13/16 .8125" 1 1.000"  Haut de la page    ISO Foret métric et conversion en impérial mm  Decimal    mm  Decimal    mm  Decimal    mm  Decimal    mm  Decimal .35 .0138" .90 .0354" 1.45 .0571" 2.00 .0787" 2.55 .1004" .40 .0157" .95 .0374" 1.50 .0591" 2.05 .0807" 2.60 .1024" .45 .0177" 1.0 .0394" 1.55 .0610" 2.10 .0827" 2.65 .1043" .50 .0197" 1.05 .0413" 1.60 .0630" 2.15 .0846" 2.70 .1063" .55 .0217" 1.10 .0433" 1.65 .0650" 2.20 .0866" 2.75 .1083" .60 .0236" 1.15 .0453" 1.70 .0669" 2.25 .0886'' 2.80 .1102" .65 .0256" 1.20 .0472" 1.75 .0689" 2.30 .0906" 2.85 .1122" .70 .0276" 1.25 .0492" 1.80 .0709" 2.35 .0925" 2.90 .1142" .75 .0295" 1.30 .0512" 1.85 .0728" 2.40 .0945" 3.00 .1181" .80 .0315" 1.35 .0531" 1.90 .0748" 2.45 .0965" 3.10 .1220" .85 .0335" 1.40 .0551" 1.95 .0768" 2.50 .0984" 3.20 .1260"  mm  Decimal    mm  Decimal    mm  Decimal    mm  Decimal    mm  Decimal 3.25 .1280" 4.1 .1614" 4.9 .1929" 5.75 .2264" 6.6 .2598" 3.30 .1299" 4.2 .1654" 5 .1969" 5.8 .2283" 6.7 .2638" 3.40 .1339" 4.25 .1673" 5.1 .2008" 5.9 .2323" 6.75 .2657" 3.50 .1378" 4.3 .1693" 5.2 .2047" 6 .2362" 6.8 .2677" 3.6 .1417" 4.4 .1732" 5.25 .2067" 6.1 .2402" 6.9 .2717" 3.7 .1457" 4.5 .1772" 5.3 .2087" 6.2 .2441" 7 .2756" 3.75 .1476" 4.6 .1811" 5.4 .2126" 6.25 .2461" 7.1 .2795" 3.8 .1496" 4.7 .1850" 5.5 .2165" 6.3 .2480" 7.2 .2835" 3.9 .1535" 4.75 .1870" 5.6 .2205" 6.4 .2520" 7.25 .2854" 4 .1575" 4.8 .1890" 5.7 .2244" 6.5 .2559" 7.3 .2874"  mm  Decimal    mm  Decimal    mm  Decimal    mm  Decimal    mm  Decimal 7.4 .2913" 8.25 .3248" 9.1 .3583" 9.9 .3898" 14.5 .5709" 7.5 .2953" 8.3 .3268" 9.2 .3622" 10 .3937" 15 .5906" 7.6 .2992" 8.4 .3307" 9.25 .3642" 10.5 .4134" 15.5 .6102" 7.7 .3031" 8.5 .3346" 9.3 .3661" 11 .4331" 16 .6229" 7.75 .3051" 8.6 .3386" 9.4 .3701" 11.5 .4528" 16.5 .6496" 7.8 .3071" 8.7 .3425" 9.5 .3740" 12 .4724" 17 .6693" 7.9 .3110" 8.75 .3445" 9.6 .3780" 12.5 .4921" 17.5 .6890" 8 .3150" 8.8 .3465" 9.7 .3819" 13 .5118" 18 .7087" 8.1 .3189" 8.9 .3504" 9.75 .3839" 13.5 .5315" 18.5 .7283" 8.2 .3228" 9 .3543" 9.8 .3858" 14 .5512" 19 .7480"  mm  Decimal    mm  Decimal    mm  Decimal 19.5 .7677" 21.5 .8465" 23.5 .9252" 20 .7874" 22 .8661" 24 .9449" 20.5 .8071" 22.5 .8858" 24.5 .9646" 21 .8268" 23 .9055" 25 .9843"   Haut de la page