101.6 mm - 4" (400) 12.7 mm - 1/2" (0.50) 127 mm - 5" (500) 19.05 mm - 3/4" (0.75) 25.4 mm - 1" (100) 38.1 mm - 1-1/2" (150) 50.8 mm - 2" (200) 76.2 mm - 3" (300) 9.53 mm - 3/8" (037)

PREFORO CONICAL COMPASS

L XL H XH XXH

12.7 mm - 1/2" (H) 22,23 MM - 7/8" (XH) 31,75 MM - 1"1/4 (XXH) 5,08 MM - 1/5" (XL) 9.53 mm - 3/8" (L)

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 32 33 34 35 36 38 40 41 42 44 45 47 48 50 52 56 57 58 60 70 72 84 96 120

100,11 MM 101,06 MM 103,14 MM 105,11 MM 106,17 MM 109,15 MM 109,21 MM 116,42 MM 117,23 MM 121,29 MM 121,34 MM 124,37 mm 127,34 MM 127.41 million 129,3 MM 13,18 MM 133,4 MM 133,47 MM 134,41 MM 136,51 MM 137,45 MM 141,49 MM 142,57 mm 145.54 million 145,61 MM 148,56 MM 151,67 MM 153.62 million 155,64 MM 157,74 MM 16,17 MM 161,7 MM 169,79 MM 169,88 MM 17,79 MM 172,91 MM 176,86 MM 177,88 MM 181,91 MM 182,01 MM 183,93 MM 19,4 MM 191,01 MM 194,03 MM 198,09 MM 202,13 MM 21.02 million 210,21 MM 212,23 MM 218,41 MM 22,64 MM 222,34 MM 226,38 MM 234,47 MM 24,26 MM 240,53 MM 242,55 MM 25,87 MM 254,81 MM 262,76 MM 27,49 MM 282,98 MM 29,11 MM 291,06 MM 291,22 MM 30,33 MM 30,72 MM 32,34 MM 33,37 MM 33,96 MM 339,57 MM 35,57 MM 36,4 MM 364,02 MM 38,81 MM 388,09 MM 39,44 MM 42,04 MM 42,47 MM 43,66 MM 45,28 MM 45,5 MM 48,51 MM 48,54 MM 485,12 MM 51,57 MM 51,74 MM 54,6 MM 54,98 MM 56,6 MM 57,64 MM 58,21 MM 59,59 MM 60,64 MM 60,67 MM 61,45 MM 63,7 MM 64,67 MM 64,68 MM 66,74 MM 67,91 MM 68,72 MM 69,77 MM 71,15 MM 72,77 MM 72,8 MM 75,84 MM 76,81 MM 77,62 MM 78,87 MM 80,85 MM 81,9 MM 84,89 MM 84,94 MM 87,97 mm 88.93 million 91 MM 92,98 MM 97,02 MM 97,03 MM 97,07 MM

STEEL ALUMINUM CAST IRON