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