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 specifi c 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 specifi c needs. Use the Chamfer

and Counterboring Order Planning pages to create and send us your request —

available online as well.