Coronet Major

[Jarhead1009]

Hi all,

having recently purchased a Coronet Major I am looking to purchase a Robert Sorby scroll chuck for it, having issues with the threads being uncommon? Are there inserts available anywhere?
Many thanks!

 

[Robbo3]

Majors had 2 different spindle threads: 3/4" x 16 & 7/8" x 16.
If you are struggling to match the threads then you probably have the latter.

 

[Chris4658]

What colour is the lathe? The earlier maroon ones had 7/8 x 16 and I believe the newer blue ones were 3/4 x 16.
There are adaptors available on a well known auction site

 

[Chris4658]

Approx 22mm thread works out at 7/8th mate.

 

[Jarhead1009]

Thanks everyone, ordered a chuck and adaptor yesterday

 

[J-G]

Thanks everyone, ordered a chuck and adaptor yesterday

Before you even think about fitting it, make sure you clean that thread!

 

[Jarhead1009]

Before you even think about fitting it, make sure you clean that thread!

Mechanical fitter by trade pal