The MICRO 100 EMSM-060-2X metric size, AlTiN - Aluminum Titanium Nitride coated, solid carbide, 2 flute, 38? helix, center cutting, end mill. Designed and engineered with accurate plus tolerance features on the cutter diameter. For superior work piece finish in most milling applications. Manufactured with close tolerances to ensure ultimate precision. AlTiN coatings are high performance and versatile. Has a higher breakdown temperature while maintaining high surface hardness at elevated temperatures. This type of coating also promotes tool life and allows for faster feeds and speeds. Excellent for dry machining applications. Applicable with oxidation temperatures up to 800? C or 1450? F. AlTiN coatings are best utilized on alloy steels, stainless steels, tool steels, nickel alloys and titanium. For over 45 years, MICRO 100 is a known industry leader and internationally acclaimed when it comes to solid carbide tooling.