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TDF Drills for Flat-Bottom Applications

(Available as Semi-Standards)

Primary Application Engineered specifi cally to eliminate the need for a two-part operation when drilling fl at-bottom holes or on an inclined surface:

  • Drill fl at-bottom holes in one step.
  • Eliminate the need to use both an end mill and a drill to machine a fl at on an inclined surface.
  • After full cylindrical engagement, the drills run at normal solid carbide drilling parameters.

Features and Benefi ts

  • Four-Margin Design
  • Special Point-Thinning
– Increases contact with material at full diameter.– Increases centring capability.
– Improves hold quality and drill stability in the cut.– Improves chip formation and fl ow.
– Enables interrupted cuts and inclined exits.– Reduces cutting forces.

Product Portfolio

  • The Flat-Bottom Drill product series TDF51* is pre-designed in four lengths and available in two grades, WN15HD for non-ferrous materials, and WU20PD™ for steel, iron, and stainless steel.
– TDF510*1,5 x D
– TDF511*3 x D
– TDF512*5 x D
– TDF513*8 x D
  • Length variations and step drills available as engineered solutions.

Ordering Process

  • Please contact your local Authorised Distributor for a quote.