Sinclair International neck turning tool

[yogibearmech]

So I have a Sinclair neck turning tool. Have enjoyed it up till about a year ago. I went to turn necks and noticed it was leaving ridges in the brass. It was my first time working with ADG brass. Thought maybe it was the harder brass. I thought maybe I damaged the cutting blade somehow. I purchased a new blade and tried it on a new 6.5 PRC brass by Hornady same results. Wondering if anyone else has had an issue like this? Thanks in advance.

 

[GLTaylor]

Just finished 100 with mine. 50 ADG and 50 Peterson
Did just fine with most. I was a little rusty since I haven't had to do any lately. Ridges are a function of drill speed and how fast you feed the brass. I'm assuming you turn yours using a chuck and hand held drill.

 

[yogibearmech]

I turned almost all by drill but did a couple of the Hornady by hand to see if that made a difference

 

[GLTaylor]

If you feed slowly with moderate speed the cuts are usually close together and the rings are barely noticeable. First firing usually makes them disappear.

 

[antelopedundee]

They really need to make the cutting blade longer to avoid this. Some go over the turned area with fine steel wool to smooth out the surface.

 

[elf]

I get them too. It simply means your cut needs to be a tad deeper. Move the blade down one or two ten thoss

 

[antelopedundee]

FWIW since I don't have a lot of cases I just turn by hand.