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Arrand boring heads.

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Andrew Tinsley25/05/2019 17:18:38
889 forum posts

Does anyone know if Arrand boring heads have replaceable arbours? If so does anyone know if they have a common thread?

Regards,

Andrew.

Brian Wood25/05/2019 18:27:35
1904 forum posts
37 photos

Hello Andrew,

Yes, they do. The thread is 16 mm x 1.5 right hand

Regards

Brian

Andrew Tinsley25/05/2019 20:17:56
889 forum posts

Thanks very much Brian! I thought someone would know.

Regards,

Andrew.

SteveI25/05/2019 20:36:39
245 forum posts
17 photos

Hi,

the 3” head uses M14x1

the 4.5” and 5.25” use 16mm x 1.5mm, the shanks are the same as their fly cutters.

the 6” I don’t know.

the 6.5”, 8” boring and facing and 10.5” all use the same shanks but these are held on by a register and 4 shcs.

steve

ronan walsh25/05/2019 22:00:36
530 forum posts
32 photos

Are Arrand boring heads still made ? I was looking for one last year and wanted an arrand, could not see much online about them. Bought an American made head instead and its good. Most of the asian made heads i have used seem to use a mystery measuring system on the dial.

Andrew Tinsley25/05/2019 22:07:50
889 forum posts

Thanks Steve, I might have expected that it was more complicated!

Andrew.

Neil Wyatt25/05/2019 23:08:54
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Moderator
16076 forum posts
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Posted by ronan walsh on 25/05/2019 22:00:36:

Are Arrand boring heads still made ? I was looking for one last year and wanted an arrand, could not see much online about them. Bought an American made head instead and its good. Most of the asian made heads i have used seem to use a mystery measuring system on the dial.

I recall that it was essentially a one-man operation. He tried to sell the business when he retired but I don't think it continued. I may be wrong.

Neil

Michael Gilligan25/05/2019 23:41:40
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13243 forum posts
578 photos

It may be worth trying a 'phone call

see this thread: **LINK**

https://www.model-engineer.co.uk/forums/postings.asp?th=94955

MichaelG.

Brian Wood26/05/2019 09:52:09
1904 forum posts
37 photos

Hello Andrew and Steve,

Just to complete the list, my boring head is 3.25 inches and the arbour on that is interchangeable with that of the fly cutter bought at the same time.

Thank you Michael G for snuffing out a hopefully live phone number to this excellent company, I am another fully satisfied user for >25 years

Brian

SteveI26/05/2019 15:11:41
245 forum posts
17 photos

Hi,

I should have been clear about the sizes; those are the names that Arrand gave the different models. Based around the maximum bore using a side tool. From the catalogue the outside diameters of the heads are:

the 3” head 1.3/8” or 35mm

the 4.5” 1.3/4” or 44mm

The 5.25” 2.1/8” or 54mm

the 6” 2.1/2” or 63mm

the 6.5” 2.3/4” or 70mm

8” boring and facing 3.1/2” or 89mm

10.5” 4” or 102mm

The catalogue I have does not mention a 3.25” head.

AFAIK Arrand does not manufacture any more but still trades selling from stock. I purchased my 3” head a few weeks ago direct from Arrand.I think rotagrip have some of the heads in stock according to their website.

steve

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