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Colchester Headstock Sleeve

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Howard Lewis15/02/2019 18:04:36
7227 forum posts
21 photos

PS

Would be very surprised if the mandrel taper was a Jarno. Within my limited knowledge , would expect most Lathe mandrels to be a Morse Taper.

Pity that the Morse Taper varies from size to size, unlike the Jarno.

Howard

Pete Rimmer15/02/2019 18:51:14
1486 forum posts
105 photos

One of my lathes is Jarno 12. I wish I could find an adapter for it.

Frankiethepill16/02/2019 00:34:58
19 forum posts

My old Bantam mk1 takes a Headstock sleeve adapter MT4 - 3 (supplied by RDG) and all seems to fit well. Total cost under a tenner..

Hopper16/02/2019 02:24:00
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7881 forum posts
397 photos

With the difference between a Morse and Jarno taper being in most cases within .001" to .002" per inch, it's quite possible that the one will fit the other in a short application like the headstock collar, without the mismatch being noticed?

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