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Kenneth Deighton	13/02/2014 19:49:39
69 forum posts	I wish to make a NT30 Arbor with a 1.125" x 12 tpi end to utilize my Myford equipment on my Tom Senior milling machine , am I correct that the angle from the horizontal shoulder to the taper is 80 degrees ? Thanks..
Keith Long	13/02/2014 19:59:37
883 forum posts 11 photos	The Model Engineers Handbook (3rd Ed) gives the taper as 7 in 24 on diameter - doesn't give an angular measurement at all. Keith
mgnbuk	13/02/2014 20:01:14
1394 forum posts 103 photos	http://www.tools-n-gizmos.com/specs/Tapers.html
JasonB	13/02/2014 20:05:36
25215 forum posts 3105 photos 1 articles	That ratio would give about 73.78deg

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