Order your set of Kato 2TNF Tangless CoilThread inserts from Bay Supply. Available in an assortment of sizes, 2TNF inserts are made with the durability of cold-rolled 304 stainless steel wire. With tensile strength that's over 200,000 PSI and an RC 43-50 hardness, these are some of the strongest threaded inserts for metal. And, because they were made by Kato, you can trust that you're working with a reliable product. Order today!