Modular Drills TOP DRILL M1™ • TopSTEP Chamfer and Counterboring Inserts Modular TOP DRILL M1 Step Drill Provides high productivity through high-feed, one-shot operations, and excellent tool life. • Use TopSTEP VG and SH chamfer and counterboring inserts to create your specific TDM1 modular step drill. • Create complex holes with countersinks, chamfers, or even both operations in one shot. • Save time, achieve better cost, and run your complex drilling process with higher stability. Standard TOP DRILL M1™ inserts. Standard TopSTEP SH counterboring insert. Standard TopSTEP VG chamfering insert. Made-to-Order TDM1 Toolholder • Available within 3–4 weeks. • Made custom to your needs. Let your WIDIA™ representative know about your specific needs. Use the Chamfer and Counterboring Order Planning pages to create and send us your request — available online as well. U16 widia.com Modular Drills