Maxi Lock. Don't get the ones at Joann's (I think it's their own brand?) as it didn't do well. I order from Wawak.

If you need cotton thread in large cones, check out www.longcreekmills.com. Great prices. I don't serge, but I always pick up some of this for my serging friends when I visit there.

buy the correct size cones [some really big ones won't fit the domestic machines] and have a look at the quality of the thread. If it seems 'fluffy' and not well-made, then keep looking. The overlockers or sergers are fairly forgiving in the kind of thread used, but quality does matter. The 'woolly nylon' type is good [nice and soft] when making pyjamas etc for small children and also is great when finishing the edges of bibs etc. as it can fill in the spaces nicely [when the stitch length is shortened].

I don't have a serger but certainly would purchase mine from ThreadArt--a new product line for them. I have been very pleased with their polyester embroidery thread and cotton sewing thread (own every color available) so would not hesitate to make the new purchase.

I like Maxi Lock...

I use the cheapest. My serger will work with anything. I have had my serger for about 30 years.

I like to use Maxi-Lock or the Long Creek Mills thread. Both have worked well for me.