Attention machinists and metalworkers! This SPEED TIGER carbide end mill is some serious cutting tool goodness for your workshop. We're talking professional-grade micro grain carbide that can handle tough materials like alloy steels, pre-hardened steels up to HRC45, and even cast iron. The 2-flute design with square ends gives you clean, efficient cutting performance, and the AlTiBN coating is next-level - it reduces friction and provides better heat resistance than older coatings like TiN or TiAlN. This particular model is 16mm diameter with 32mm cutting length and 100mm full length, perfect for various milling applications. Speed Tiger has been making precision tools since 1998, and you can tell from the quality - each tool has its own identity number on the shank for traceability. Just remember folks - these require correct spindle speeds and feed rates for best performance, so make sure you're running them properly to avoid breakage. Whether you're working in a professional shop or are a serious hobbyist with a quality mill, this end mill delivers the precision and durability you need for demanding cutting jobs. Definitely a step up from budget tools that can't handle hardened materials effectively.