Can Someone Identify This Taper?

Uglydog

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Starting to wade through the piles...
This is the taper on a Chandler Duplex boring head.
Can anyone identify the taper?

Thank you,
Daryl
MNIMG_0424.JPG
 
I used to grind Jarno tapers that look similar to that . They were on very large pump shafts though .
 
A Brown & Sharp - cut to a straight shank (left the old pull thread and part of the taper).
 
Daryl,

That is a old Moore jig borer taper that some one modified to a straight shank. I have one that someone buthard up the same way on a Chandler boring head that I have. Replaced it with a R-8 taper shank I snagged off of eBone.

Ken
 
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