Use as Pilot Drill
• Ideal point angle and tolerance make the TOP DRILL S+ ™
drill the preferred pilot drill for TDD Series solid carbide
deep-hole drills.
TOP DRILL S+ Drill-Point Design
• Low thrust. Works well on a variety of machines.
• Excellent centring capabilities.
• Easy to regrind.
Four-Margin Land Design
widia.com
T77
• Improves hole straightness and roundness.
• Provides good alignment and stability in tough drilling
applications — even when drilling through cross holes.