1/4" thick 304 stainless steel grates.
There is only one thing you need to know about cooking grates and that is stainless steel is the best, period. When we set out to make our grates, we tested many different popular styles that you see with other grill companies. Porcelain coated, nickel plated, expanded metal, cast iron you name it. When it was all said and done, we knew 304 stainless steel is the way to go. Porcelain coated grates start to crack and chip over time leaving a rusty piece of metal touching your food, along with the possibility of ingesting the porcelain cracked pieces. Chrome and Nickel-plated grates just do not last long. You will be replacing your grates often. The same goes with expanded metal and cast iron. If there is any substantial amount of time that you will not be using your grill, you will likely have a surprise of rusted grates waiting for you the next time you cook. M Grills only comes with thick 1/4” stainless steel cooking grates.
The M1 comes standard with 1/4" thick stainless steel top and bottom grates while our Texas shaped grills only come with top stainless steel grates.