circular pitch circular pitch circular pitch … dp to cp to mod.pdf · circular pitch circular...

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D.P inch metric MOD D.P inch metric MOD D.P inch metric MOD 1 3.1416 79.797 25.40 3.1416 1 25.4 8.09 12 0.2618 6.650 2.12 1.0053 3-1/8 79.376 25.27 3.175 0.9895 25.133 8 12.276 0.2559 6.5 2.07 1.016 3.0921 78.540 25 3.1918 0.9843 25 7.96 12.566 1/4 6.350 2.021 1.0472 3 76.200 24.26 3-1/4 0.9660 24.552 7.82 12.700 0.2474 6.283 2 1.0583 2.9685 75.398 24 3.3249 0.9449 24 7.64 13 0.2417 6.138 1.95 1.0639 2.9529 75 23.87 3.351 15/16 23.813 7.58 13.299 0.2362 6 1.91 1.0928 2-7/8 73.020 23.24 3-1/2 0.8976 22.799 7.26 14 0.2244 5.700 1.81 1.14 2.7558 70 22.28 3.5904 7/8 22.225 7.07 14.508 0.2165 5.5 1.751 1.1424 2-3/4 69.850 22.23 3.6271 0.8661 22 7.003 14.514 0.2165 5.498 1.75 1.1546 2.7209 69.115 22 3.6285 0.8658 21.991 7 15 0.2094 5.320 1.693 1.1968 2-5/8 66.675 21.22 3-3/4 0.8378 21.280 6.77 15.959 0.1969 5 1.592 1.2276 2.5591 65 20.69 3.8666 13/16 20.637 6.57 16 0.1964 4.987 1.588 1-1/4 2.5133 63.837 20.32 3.9898 0.7874 20 6.37 16.755 3/16 4.763 1.516 1.2566 2-1/2 63.502 20.21 4 0.7854 19.949 6.35 16.933 0.1855 4.712 1.5 1.27 2.4737 62.832 20 4.1888 3/4 19.050 6.06 17.733 0.1772 4.5 1.432 1.3228 2-3/8 60.324 19.20 4.1998 0.7480 19 6.05 18 0.1745 4.433 1.411 1.3299 2.3623 60 19.10 4.2333 0.7421 18.850 6 19.949 0.1575 4 1.273 1.3963 2-1/4 57.149 18.19 4.4332 0.7087 18 5.73 20 0.1571 3.990 1.270 1.4111 2.2263 56.549 18 4.5 0.6981 17.733 5.64 20.319 0.1546 3.927 1.25 1.4508 2.1654 55 17.51 4.5696 11/16 17.463 5.56 22.000 0.1428 3.627 1.155 1.4784 2-1/8 53.975 17.18 4.6182 0.6803 17.279 5.5 22.799 0.1378 3.5 1.114 1-1/2 2.0944 53.198 16.93 4.6939 0.6693 17 5.41 23.000 0.1366 3.469 1.104 1.5708 2 50.800 16.17 4.9873 0.6299 16 5.09 24 0.1309 3.325 1.058 1.5875 1.9790 50.266 16 5 0.6283 15.959 5.08 25.000 0.1257 3.192 1.016 1.5959 1.9685 50 15.92 5.0265 5/8 15.875 5.05 25.133 1/8 3.175 1.011 1.6755 1-7/8 47.626 15.16 5.08 0.6184 15.708 5 25.400 0.1237 3.142 1 1.6933 1.8553 47.124 15 5.3198 0.5905 15 4.77 26.000 0.1208 3.069 0.9769 1-3/4 1.7952 45.598 14.51 5-1/2 0.5712 14.508 4.62 26.599 0.1181 3 0.9549 1.7732 1.7717 45 14.32 5.5851 9/16 14.287 4.55 28 0.1122 2.850 0.9071 1.7952 1-3/4 44.450 14.15 5.6438 0.5566 14.137 4.5 29.000 0.1083 2.752 0.8759 1.8143 1.7316 43.982 14 5.6998 0.5512 14 4.46 30 0.1047 2.660 0.8467 1.9333 1-5/8 41.275 13.14 6 0.5236 13.299 4.23 31.416 1/10 2.540 0.8085 1.9538 1.6079 40.841 13 6.1382 0.5118 13 4.14 31.750 0.0989 2.513 0.8 1.9949 1.5748 40 12.73 6.2832 1/2 12.700 4.04 31.919 0.0984 2.5 0.796 2 1.5708 39.898 12.70 6.3499 0.4947 12.567 4 32 0.0982 2.494 0.7938 2.0944 1-1/2 38.100 12.13 6.5 0.4833 12.276 3.91 33.866 0.0928 2.356 0.7500 2.0999 1.4961 38 12.10 6.6497 0.4724 12 3.82 34 0.0924 2.347 0.7471 2.1166 1.4843 37.699 12 7 0.4488 11.400 3.63 36 0.0873 2.217 0.7056 2.1855 1-7/16 36.512 11.62 7.1808 0.4375 11.113 3.54 36.28 0.0866 2.199 0.7 2.2166 1.4173 36 11.46 7.2542 0.4331 11 3.501 38 0.0827 2.100 0.6684 2-1/4 1.3963 35.465 11.29 7.2571 0.4329 10.996 3.5 39.868 0.0788 2 0.6371 2.2848 1-3/8 34.925 11.12 7.9797 0.3937 10 3.18 40 0.0785 1.995 0.6350 2.3091 1.3605 34.559 11 8 0.3927 9.975 3.18 45 0.0698 1.773 0.5644 2.347 1.3386 34 10.82 8.3776 3/8 9.525 3.03 48 0.0655 1.662 0.5292 2.3936 1-5/16 33.338 10.61 8.3997 0.3740 9.500 3.02 50 0.0628 1.596 0.5080 2.4937 1.2598 32 10.19 8.4666 0.3711 9.425 3 50.296 1/16 1.587 0.5050 2-1/2 1.2566 31.919 10.16 8.8663 0.3543 9 2.86 50.8 0.0618 1.571 0.5 2.5133 1-1/4 31.750 10.11 9 0.3491 8.866 2.82 53.198 0.0591 1.5 0.4775 2.54 1.2369 31.416 10 9.2363 0.3401 8.639 2.75 63.5 0.0495 1.257 0.4 2.6456 1-3/16 30.162 9.60 9.3878 0.3346 8.500 2.71 64 0.0491 1.247 0.3969 2.6599 1.1811 30 9.55 9.9746 0.3150 8 2.55 72 0.0436 1.108 0.3528 2-3/4 1.1424 29.017 9.24 10 0.3142 7.980 2.54 79.802 0.0394 1 0.3183 2.7925 1-1/8 28.575 9.10 10.053 5/16 7.938 2.53 80 0.0393 0.997 0.3175 2.8219 1.1133 28.274 9 10.160 0.3092 7.854 2.5 84.667 0.0371 0.942 0.3 2.8499 1.1024 28 8.91 10.640 0.2953 7.5 2.39 96 0.0327 0.831 0.2646 2.9568 1-1/16 26.988 8.59 11 0.2856 7.254 2.31 120 0.0262 0.665 0.2117 3 1.0472 26.599 8.47 11.289 0.2783 7.069 2.25 127 0.0247 0.628 0.2 3.0691 1.0236 26 8.28 11.400 0.2756 7 2.23 169.8 0.0185 0.471 0.15 CIRCULAR PITCH CIRCULAR PITCH CIRCULAR PITCH telephone +44 (0) 1707 28 31 31 email [email protected]

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Page 1: CIRCULAR PITCH CIRCULAR PITCH CIRCULAR PITCH … DP to CP to MOD.pdf · CIRCULAR PITCH CIRCULAR PITCH CIRCULAR PITCH uk. Title: conversion of DP/MOD/CP Author: Brother International

D.P inch metric MOD D.P inch metric MOD D.P inch metric MOD

1 3.1416 79.797 25.40 3.1416 1 25.4 8.09 12 0.2618 6.650 2.12

1.0053 3-1/8 79.376 25.27 3.175 0.9895 25.133 8 12.276 0.2559 6.5 2.07

1.016 3.0921 78.540 25 3.1918 0.9843 25 7.96 12.566 1/4 6.350 2.021

1.0472 3 76.200 24.26 3-1/4 0.9660 24.552 7.82 12.700 0.2474 6.283 2

1.0583 2.9685 75.398 24 3.3249 0.9449 24 7.64 13 0.2417 6.138 1.95

1.0639 2.9529 75 23.87 3.351 15/16 23.813 7.58 13.299 0.2362 6 1.91

1.0928 2-7/8 73.020 23.24 3-1/2 0.8976 22.799 7.26 14 0.2244 5.700 1.81

1.14 2.7558 70 22.28 3.5904 7/8 22.225 7.07 14.508 0.2165 5.5 1.751

1.1424 2-3/4 69.850 22.23 3.6271 0.8661 22 7.003 14.514 0.2165 5.498 1.75

1.1546 2.7209 69.115 22 3.6285 0.8658 21.991 7 15 0.2094 5.320 1.693

1.1968 2-5/8 66.675 21.22 3-3/4 0.8378 21.280 6.77 15.959 0.1969 5 1.592

1.2276 2.5591 65 20.69 3.8666 13/16 20.637 6.57 16 0.1964 4.987 1.588

1-1/4 2.5133 63.837 20.32 3.9898 0.7874 20 6.37 16.755 3/16 4.763 1.516

1.2566 2-1/2 63.502 20.21 4 0.7854 19.949 6.35 16.933 0.1855 4.712 1.5

1.27 2.4737 62.832 20 4.1888 3/4 19.050 6.06 17.733 0.1772 4.5 1.432

1.3228 2-3/8 60.324 19.20 4.1998 0.7480 19 6.05 18 0.1745 4.433 1.411

1.3299 2.3623 60 19.10 4.2333 0.7421 18.850 6 19.949 0.1575 4 1.273

1.3963 2-1/4 57.149 18.19 4.4332 0.7087 18 5.73 20 0.1571 3.990 1.270

1.4111 2.2263 56.549 18 4.5 0.6981 17.733 5.64 20.319 0.1546 3.927 1.25

1.4508 2.1654 55 17.51 4.5696 11/16 17.463 5.56 22.000 0.1428 3.627 1.155

1.4784 2-1/8 53.975 17.18 4.6182 0.6803 17.279 5.5 22.799 0.1378 3.5 1.114

1-1/2 2.0944 53.198 16.93 4.6939 0.6693 17 5.41 23.000 0.1366 3.469 1.104

1.5708 2 50.800 16.17 4.9873 0.6299 16 5.09 24 0.1309 3.325 1.058

1.5875 1.9790 50.266 16 5 0.6283 15.959 5.08 25.000 0.1257 3.192 1.016

1.5959 1.9685 50 15.92 5.0265 5/8 15.875 5.05 25.133 1/8 3.175 1.011

1.6755 1-7/8 47.626 15.16 5.08 0.6184 15.708 5 25.400 0.1237 3.142 1

1.6933 1.8553 47.124 15 5.3198 0.5905 15 4.77 26.000 0.1208 3.069 0.9769

1-3/4 1.7952 45.598 14.51 5-1/2 0.5712 14.508 4.62 26.599 0.1181 3 0.9549

1.7732 1.7717 45 14.32 5.5851 9/16 14.287 4.55 28 0.1122 2.850 0.9071

1.7952 1-3/4 44.450 14.15 5.6438 0.5566 14.137 4.5 29.000 0.1083 2.752 0.8759

1.8143 1.7316 43.982 14 5.6998 0.5512 14 4.46 30 0.1047 2.660 0.8467

1.9333 1-5/8 41.275 13.14 6 0.5236 13.299 4.23 31.416 1/10 2.540 0.8085

1.9538 1.6079 40.841 13 6.1382 0.5118 13 4.14 31.750 0.0989 2.513 0.8

1.9949 1.5748 40 12.73 6.2832 1/2 12.700 4.04 31.919 0.0984 2.5 0.796

2 1.5708 39.898 12.70 6.3499 0.4947 12.567 4 32 0.0982 2.494 0.7938

2.0944 1-1/2 38.100 12.13 6.5 0.4833 12.276 3.91 33.866 0.0928 2.356 0.7500

2.0999 1.4961 38 12.10 6.6497 0.4724 12 3.82 34 0.0924 2.347 0.7471

2.1166 1.4843 37.699 12 7 0.4488 11.400 3.63 36 0.0873 2.217 0.7056

2.1855 1-7/16 36.512 11.62 7.1808 0.4375 11.113 3.54 36.28 0.0866 2.199 0.7

2.2166 1.4173 36 11.46 7.2542 0.4331 11 3.501 38 0.0827 2.100 0.6684

2-1/4 1.3963 35.465 11.29 7.2571 0.4329 10.996 3.5 39.868 0.0788 2 0.6371

2.2848 1-3/8 34.925 11.12 7.9797 0.3937 10 3.18 40 0.0785 1.995 0.6350

2.3091 1.3605 34.559 11 8 0.3927 9.975 3.18 45 0.0698 1.773 0.5644

2.347 1.3386 34 10.82 8.3776 3/8 9.525 3.03 48 0.0655 1.662 0.5292

2.3936 1-5/16 33.338 10.61 8.3997 0.3740 9.500 3.02 50 0.0628 1.596 0.5080

2.4937 1.2598 32 10.19 8.4666 0.3711 9.425 3 50.296 1/16 1.587 0.5050

2-1/2 1.2566 31.919 10.16 8.8663 0.3543 9 2.86 50.8 0.0618 1.571 0.5

2.5133 1-1/4 31.750 10.11 9 0.3491 8.866 2.82 53.198 0.0591 1.5 0.4775

2.54 1.2369 31.416 10 9.2363 0.3401 8.639 2.75 63.5 0.0495 1.257 0.4

2.6456 1-3/16 30.162 9.60 9.3878 0.3346 8.500 2.71 64 0.0491 1.247 0.3969

2.6599 1.1811 30 9.55 9.9746 0.3150 8 2.55 72 0.0436 1.108 0.3528

2-3/4 1.1424 29.017 9.24 10 0.3142 7.980 2.54 79.802 0.0394 1 0.3183

2.7925 1-1/8 28.575 9.10 10.053 5/16 7.938 2.53 80 0.0393 0.997 0.3175

2.8219 1.1133 28.274 9 10.160 0.3092 7.854 2.5 84.667 0.0371 0.942 0.3

2.8499 1.1024 28 8.91 10.640 0.2953 7.5 2.39 96 0.0327 0.831 0.2646

2.9568 1-1/16 26.988 8.59 11 0.2856 7.254 2.31 120 0.0262 0.665 0.2117

3 1.0472 26.599 8.47 11.289 0.2783 7.069 2.25 127 0.0247 0.628 0.2

3.0691 1.0236 26 8.28 11.400 0.2756 7 2.23 169.8 0.0185 0.471 0.15

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