It would be less expensive to purchase cookware without Teflon. Even if you scrapped, sanded, or even bead blasted the Teflon there would be minute particles still embedded in the pores of the metal that can loosen and get in your food when the utensil is heated.

Although heavy cast iron is one of the better choices. the only real problem with cast iron is it has to be seasoned or the food will stick. Never scrub cast iron hard or you will be re-seasoning it on a regular bases. It is also heavy and not the prettiest thing in the kitchen.

Stay away from anything with Aluminum as it has now been proven there is a link between aluminum and Alzheimer's disease. It doesn't cause Alzheimer's it can trigger it. If you have Alzheimer's in your family you greatly increase the probability if you use anything with aluminum in it.

try waxing the thread with proper beeswax.....