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This Tool Steel Rectangle Bar is a high-performance material ideal for precision applications in machining, tooling, and manufacturing. Made from O1 tool steel, it offers exceptional hardness and wear resistance, with a Brinell hardness of 177 BHN and tensile strength of 105,000 psi. Its precision ground finish ensures smooth operation and long tool life. Suitable for use in high-speed machining, die making, and mold construction, this bar can be heat-treated for added strength and durability. Its compact 2-inch width and 36-inch length make it easy to handle and store, making it an excellent choice for professionals and hobbyists alike.