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Standard Tapers
* * * ALL DIMENSIONS IN INCHES * * *
Taper Name Large Taper/ Taper/ Angle Small Length
End Foot Inch From End
Center
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#0 Morse 0.3561 .6246 .0521 1.4908 0.2520 2.00
#1 Morse 0.4750 .5986 .0499 1.4287 0.3690 2.13
#2 Morse 0.7000 .5994 .0500 1.4307 0.5720 2.56
#3 Morse 0.9380 .6024 .0502 1.4377 0.7780 3.19
#4 Morse 1.2310 .6233 .0519 1.4876 1.0200 4.06
#4-1/2 Morse 1.5000 .6240 .0520 1.4894 1.2660 4.50
#5 Morse 1.7480 .6315 .0526 1.5073 1.4750 5.19
#6 Morse 2.4940 .6257 .0521 1.4933 2.1160 7.25
#7 Morse 3.2700 .6240 .0520 1.4894 2.7500 10.00
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#1 B&S 0.2392 .5020 .0418 1.1983 0.2000 0.94
#2 B&S 0.2997 .5020 .0418 1.1983 0.2500 1.19
#3 B&S 0.3753 .5020 .0418 1.1983 0.3125 1.50
#4 B&S 0.4207 .5024 .0419 1.1992 0.3500 1.69
#5 B&S 0.5388 .5016 .0418 1.1973 0.4500 2.13
#6 B&S 0.5996 .5033 .0419 1.2013 0.5000 2.38
#7 B&S 0.7201 .5015 .0418 1.1970 0.6000 2.88
#8 B&S 0.8987 .5010 .0418 1.1959 0.7500 3.56
#9 B&S 1.0775 .5009 .0417 1.1955 0.9001 4.25
#10 B&S 1.2597 .5161 .0430 1.2320 1.0447 5.00
#11 B&S 1.4978 .5010 .0418 1.1959 1.2500 5.94
#12 B&S 1.7968 .4997 .0416 1.1928 1.5001 7.13
#13 B&S 2.0731 .5002 .0417 1.1940 1.7501 7.75
#14 B&S 2.3438 .5000 .0417 1.1935 2.0000 8.25
#15 B&S 2.6146 .5000 .0417 1.1935 2.2500 8.75
#16 B&S 2.8854 .5000 .0417 1.1935 2.5000 9.25
#17 B&S 3.1563 .5000 .0417 1.1935 2.7500 9.75
#18 B&S 3.4271 .5000 .0417 1.1935 3.0000 10.25
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#2 Jarno 0.2500 .6000 .0500 1.4321 0.2000 1.00
#3 Jarno 0.3750 .6000 .0500 1.4321 0.3000 1.50
#4 Jarno 0.5000 .6000 .0500 1.4321 0.4000 2.00
#5 Jarno 0.6250 .6000 .0500 1.4321 0.5000 2.50
#6 Jarno 0.7500 .6000 .0500 1.4321 0.6000 3.00
#7 Jarno 0.8750 .6000 .0500 1.4321 0.7000 3.50
#8 Jarno 1.0000 .6000 .0500 1.4321 0.8000 4.00
#9 Jarno 1.1250 .6000 .0500 1.4321 0.9000 4.50
#10 Jarno 1.2500 .6000 .0500 1.4321 1.0000 5.00
#11 Jarno 1.3750 .6000 .0500 1.4321 1.1000 5.50
#12 Jarno 1.5000 .6000 .0500 1.4321 1.2000 6.00
#13 Jarno 1.6250 .6000 .0500 1.4321 1.3000 6.50
#14 Jarno 1.7500 .6000 .0500 1.4321 1.4000 7.00
#15 Jarno 1.8750 .6000 .0500 1.4321 1.5000 7.50
#16 Jarno 2.0000 .6000 .0500 1.4321 1.6000 8.00
#17 Jarno 2.1250 .6000 .0500 1.4321 1.7000 8.50
#18 Jarno 2.2500 .6000 .0500 1.4321 1.8000 9.00
#19 Jarno 2.3750 .6000 .0500 1.4321 1.9000 9.50
#20 Jarno 2.5000 .6000 .0500 1.4321 2.0000 10.00
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#0 Jacobs 0.2500 .5915 .0493 1.4117 0.2284 0.44
#1 Jacobs 0.3840 .9251 .0771 2.2074 0.3334 0.66
#2 Jacobs 0.5590 .9786 .0816 2.3350 0.4876 0.88
#2 Short Jacobs 0.5488 .9786 .0816 2.3350 0.4876 0.75
#3 Jacobs 0.8110 .6390 .0532 1.5251 0.7461 1.22
#4 Jacobs 1.1240 .6289 .0524 1.5009 1.0372 1.66
#5 Jacobs 1.4130 .6201 .0517 1.4801 1.3161 1.88
#6 Jacobs 0.6760 .6229 .0519 1.4868 0.6241 1.00
#33 Jacobs 0.6240 .7619 .0635 1.8184 0.5605 1.00
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