Machining Titanium: Find the Right Milling Tools for ...
Read "8 Facts You May Not Know About Milling Titanium." Tool Types That Rough, Mill and Drill Superalloys. Positive rake indexable cutters that employ a secure-locking method and sharp inserts with a gentle edge prep are the first choice for roughing. Look for end mills with variable helix angles to break up the harmonics that lead to chatter.