High Speed Steel | 1.3243 | M-35

1.3243, also known as M-35, is a cobalt-alloyed high-speed steel (HSS) renowned for its excellent wear resistance, high hardness, and ability to maintain cutting edges under extreme temperatures. This material combines toughness with superior hot hardness, making it ideal for demanding cutting applications in industries such as aerospace, automotive, and precision manufacturing. Typical uses for 1.3243 include drills, taps, end mills, and other cutting tools subjected to high mechanical and thermal stresses. At Rosswag, we process 1.3243 using advanced open-die forging and precision machining techniques, ensuring components of the highest quality and durability. With its enhanced cobalt content and exceptional performance, 1.3243 (M-35) is a trusted choice for high-performance machining and tooling applications.