Special Shapes Co. Brass Shape Conversions © blanchard design, 1997 all available in 12 and 36" lengths Scale Inches 220 160 87.1 64 48 32 22.5 20.3 Code Descr. actual in. Z N HO S O #1 Gnm Gn3 Length 12 2640 1920 1045 768 576 384 270 244 Length 36 7920 5760 3136 2304 1728 1152 810 731 Round Telescopic Tubing, 0.006 wall Scale Inches 220 160 87.1 64 48 32 22.5 20.3 Code Descr. actual in. Z N HO S O #1 Gnm Gn3 TT-61 Diameter 0.0313 6.875 5 2.7219 2 1.5 1 0.7031 0.6344 TT-61X Diameter 0.0469 10.313 7.5 4.0828 3 2.25 1.5 1.0547 0.9516 TT-62 Diameter 0.0625 13.75 10 5.4438 4 3 2 1.4063 1.2688 TT-62X Diameter 0.0781 17.188 12.5 6.8047 5 3.75 2.5 1.7578 1.5859 TT-63 Diameter 0.0938 20.625 15 8.1656 6 4.5 3 2.1094 1.9031 TT-63X Diameter 0.1094 24.063 17.5 9.5266 7 5.25 3.5 2.4609 2.2203 TT-64 Diameter 0.125 27.5 20 10.8875 8 6 4 2.8125 2.5375 TT-64X Diameter 0.1406 30.938 22.5 12.2484 9 6.75 4.5 3.1641 2.8547 TT-65 Diameter 0.1563 34.375 25 13.6094 10 7.5 5 3.5156 3.1719 TT-65X Diameter 0.1719 37.813 27.5 14.9703 11 8.25 5.5 3.8672 3.4891 TT-66 Diameter 0.1875 41.25 30 16.3313 12 9 6 4.2188 3.8063 Round Telescopic Tubing, 0.014 wall Scale Inches 220 160 87.1 64 48 32 22.5 20.3 Code Descr. actual in. Z N HO S O #1 Gnm Gn3 TT-42 Diameter 0.0625 13.75 10 5.4438 4 3 2 1.4063 1.2688 TT-43 Diameter 0.0938 20.625 15 8.1656 6 4.5 3 2.1094 1.9031 TT-44 Diameter 0.125 27.5 20 10.8875 8 6 4 2.8125 2.5375 TT-45 Diameter 0.1563 34.375 25 13.6094 10 7.5 5 3.5156 3.1719 TT-46 Diameter 0.1875 41.25 30 16.3313 12 9 6 4.2188 3.8063 TT-47 Diameter 0.2188 48.125 35 19.0531 14 10.5 7 4.9219 4.4406 TT-48 Diameter 0.25 55 40 21.775 16 12 8 5.625 5.075 TT-49 Diameter 0.2183 48.015 34.92 19.0096 13.968 10.476 6.984 4.9106 4.4305 TT-410 Diameter 0.3125 68.75 50 27.2188 20 15 10 7.0313 6.3438 TT-411 Diameter 0.3438 75.625 55 29.9406 22 16.5 11 7.7344 6.9781 TT-412 Diameter 0.375 82.5 60 32.6625 24 18 12 8.4375 7.6125 TT-413 Diameter 0.4063 89.375 65 35.3844 26 19.5 13 9.1406 8.2469 TT-414 Diameter 0.4375 96.25 70 38.1063 28 21 14 9.8438 8.8813 TT-415 Diameter 0.4688 103.125 75 40.8281 30 22.5 15 10.5469 9.5156 TT-416 Diameter 0.5 110 80 43.55 32 24 16 11.25 10.15 TT-417 Diameter 0.5313 116.875 85 46.2719 34 25.5 17 11.9531 10.7844 TT-418 Diameter 0.5625 123.75 90 48.9938 36 27 18 12.6563 11.4188 TT-419 Diameter 0.5938 130.625 95 51.7156 38 28.5 19 13.3594 12.0531 TT-420 Diameter 0.625 137.5 100 54.4375 40 30 20 14.0625 12.6875 TT-421 Diameter 0.6563 144.375 105 57.1594 42 31.5 21 14.7656 13.3219 Round Telescopic Tubing, 0.028 wall Scale Inches 220 160 87.1 64 48 32 22.5 20.3 Code Descr. actual in. Z N HO S O #1 Gnm Gn3 TT-84 Diameter 0.125 27.5 20 10.8875 8 6 4 2.8125 2.5375 TT-86 Diameter 0.1875 41.25 30 16.3313 12 9 6 4.2188 3.8063 TT-88 Diameter 0.25 55 40 21.775 16 12 8 5.625 5.075 TT-810 Diameter 0.3125 68.75 50 27.2188 20 15 10 7.0313 6.3438 TT-812 Diameter 0.375 82.5 60 32.6625 24 18 12 8.4375 7.6125 TT-814 Diameter 0.4375 96.25 70 38.1063 28 21 14 9.8438 8.8813 TT-816 Diameter 0.5 110 80 43.55 32 24 16 11.25 10.15 TT-818 Diameter 0.5625 123.75 90 48.9938 36 27 18 12.6563 11.4188 TT-820 Diameter 0.625 137.5 100 54.4375 40 30 20 14.0625 12.6875 TT-822 Diameter 0.6875 151.25 110 59.8813 44 33 22 15.4688 13.9563 TT-824 Diameter 0.75 165 120 65.325 48 36 24 16.875 15.225 TT-826 Diameter 0.8125 178.75 130 70.7688 52 39 26 18.2813 16.4938 TT-828 Diameter 0.875 192.5 140 76.2125 56 42 28 19.6875 17.7625 TT-830 Diameter 0.9375 206.25 150 81.6563 60 45 30 21.0938 19.0313 TT-832 Diameter 1 220 160 87.1 64 48 32 22.5 20.3 TT-834 Diameter 1.0625 233.75 170 92.5438 68 51 34 23.9063 21.5688 "Round Telescopic Tubing, 0.025 wall" any 1' length Scale Inches 220 160 87.1 64 48 32 22.5 20.3 Code Descr. actual in. Z N HO S O #1 Gnm Gn3 TT-836 Diameter 1.125 247.5 180 97.988 72 54 36 25.3125 22.8375 TT-840 Diameter 1.25 275 200 108.875 80 60 40 28.125 25.375 TT-844 Diameter 1.375 302.5 220 119.763 88 66 44 30.9375 27.9125 TT-848 Diameter 1.5 330 240 130.65 96 72 48 33.75 30.45 TT-856 Diameter 1.75 385 280 152.425 112 84 56 39.375 35.525 TT-864 Diameter 2 440 320 174.2 128 96 64 45 40.6 Round Telescopic Metric Tubing, 0.45mm wall Scale Inches 220 160 87.1 64 48 32 22.5 20.3 Code Descr. actual in. Z N HO S O #1 Gnm Gn3 MM-1 Diameter 0.0394 8.6614 6.2992 3.4291 2.5197 1.8898 1.2598 0.8858 0.7992 MM-100 Diameter 0.0591 12.9921 9.4488 5.1437 3.7795 2.8346 1.8898 1.3287 1.1988 MM-2 Diameter 0.0787 17.3228 12.5984 6.8583 5.0394 3.7795 2.5197 1.7717 1.5984 MM-200 Diameter 0.0984 21.6535 15.748 8.5728 6.2992 4.7244 3.1496 2.2146 1.998 MM-3 Diameter 0.1181 25.9843 18.8976 10.2874 7.5591 5.6693 3.7795 2.6575 2.3976 MM-300 Diameter 0.1378 30.315 22.0472 12.002 8.8189 6.6142 4.4094 3.1004 2.7972 MM-4 Diameter 0.1575 34.6457 25.1969 13.7165 10.0787 7.5591 5.0394 3.5433 3.1969 MM-400 Diameter 0.1772 38.9764 28.3465 15.4311 11.3386 8.5039 5.6693 3.9862 3.5965 MM-5 Diameter 0.1969 43.3071 31.4961 17.1457 12.5984 9.4488 6.2992 4.4291 3.9961 MM-500 Diameter 0.2165 47.6378 34.6457 18.8602 13.8583 10.3937 6.9291 4.872 4.3957 MM-6 Diameter 0.2362 51.9685 37.7953 20.5748 15.1181 11.3386 7.5591 5.315 4.7953 MM-600 Diameter 0.2559 56.2992 40.9449 22.2894 16.378 12.2835 8.189 5.7579 5.1949 MM-7 Diameter 0.2756 60.6299 44.0945 24.0039 17.6378 13.2283 8.8189 6.2008 5.5945 MM-700 Diameter 0.2953 64.9606 47.2441 25.7185 18.8976 14.1732 9.4488 6.6437 5.9941 MM-8 Diameter 0.315 69.2913 50.3937 27.4331 20.1575 15.1181 10.0787 7.0866 6.3937 MM-800 Diameter 0.3346 73.622 53.5433 29.1476 21.4173 16.063 10.7087 7.5295 6.7933 MM-9 Diameter 0.3543 77.9528 56.6929 30.8622 22.6772 17.0079 11.3386 7.9724 7.1929 MM-900 Diameter 0.374 82.2835 59.8425 32.5768 23.937 17.9528 11.9685 8.4154 7.5925 MM-10 Diameter 0.3937 86.6142 62.9921 34.2913 25.1969 18.8976 12.5984 8.8583 7.9921 Hex Telescopic Tubing, 0.014 wall Scale Inches 220 160 87.1 64 48 32 22.5 20.3 Code Descr. actual in. Z N HO S O #1 Gnm Gn3 HT-42 Diameter 0.0625 13.75 10 5.4438 4 3 2 1.4063 1.2688 HT-43 Diameter 0.0938 20.625 15 8.1656 6 4.5 3 2.1094 1.9031 HT-44 Diameter 0.125 27.5 20 10.8875 8 6 4 2.8125 2.5375 HT-45 Diameter 0.1563 34.375 25 13.6094 10 7.5 5 3.5156 3.1719 HT-46 Diameter 0.1875 41.25 30 16.3313 12 9 6 4.2188 3.8063 Round Aluminum Telescopic Tubing, 0.014 wall Scale Inches 220 160 87.1 64 48 32 22.5 20.3 Code Descr. actual in. Z N HO S O #1 Gnm Gn3 AT-2 Diameter 0.0625 13.75 10 5.4438 4 3 2 1.4063 1.2688 AT-3 Diameter 0.0938 20.625 15 8.1656 6 4.5 3 2.1094 1.9031 AT-4 Diameter 0.125 27.5 20 10.8875 8 6 4 2.8125 2.5375 AT-5 Diameter 0.1563 34.375 25 13.6094 10 7.5 5 3.5156 3.1719 AT-6 Diameter 0.1875 41.25 30 16.3313 12 9 6 4.2188 3.8063 AT-7 Diameter 0.2188 48.125 35 19.0531 14 10.5 7 4.9219 4.4406 AT-8 Diameter 0.25 55 40 21.775 16 12 8 5.625 5.075 AT-9 Diameter 0.2183 48.015 34.92 19.0096 13.968 10.476 6.984 4.9106 4.4305 AT-10 Diameter 0.3125 68.75 50 27.2188 20 15 10 7.0313 6.3438