Tool boat sizes?

[Peter BellParticipant @peterbell11509]

Hello, These were bought a few years ago at stationary engine rally. However they turned out to be bigger than the ones used I use on my lathe, they looked the same at the time!

Can anyone suggest what size or type they are?

Thanks Peter

[Peter BellParticipant @peterbell11509]

[Bill Davies 2Participant @billdavies2]

Hi, Peter.

If it is a Dickson toolholder, the following table may help:

Dickson toolholders http://www.lathes.co.uk/latheparts/page13.html

And some previous dialogue here, including other brands:

Earlier posting https://www.model-engineer.co.uk/forums/postings.asp?th=123597

Bill

[JohnFParticipant @johnf59703]

Peter, I reckon these are a pretty large size if i am reading the tape properly it would suggest they are S4 size tool post ?

Have a look here **LINK**

John

[Peter BellParticipant @peterbell11509]

Hi Bill & John,

Thanks for your help. It looks like it is bigger than an S4 (147mm) as its 160mm long but the tool appature is right at 38mm.

The S5 looks like it has a tool appature of 44mm from the lathes data.

None of the data found so far gives the "V" locating dimentions that go onto the tool post.

Wondered if it was an S4 with a slightly longer body? Wondered if anyone had an S4 to measure the fitting dimention?

Peter

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