SPEED TIGER Micrograin Carbide Square End Mill - 4 Flute - ISE1/2"4T (1 Piece, 1/2") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals

The ISE Metalworking Carbide Tools are specifically designed for machining various types of steel, including carbon steels (HB225), alloy steels (HB225-325), pre-hardened steels (up to HRC45), hardened steels (HRC40-48), and cast iron.

These tools feature an advanced AlTiBN coating that offers exceptional stability at high temperatures, outperforming TiAlN, TiN, or TiCN coatings.

With their high cutting speeds and feed rates, these tools are ideal for machining complex shapes and profiles with ease.

Whether you're a professional machinist or a hobbyist, the ISE Metalworking Carbide Tools are the perfect choice for any steel machining project.