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Knowledge

In 1977, the KUB Trigon was the world's first indexable insert drilling tool and to this day sets new standards on the machining market. With its 84° corner angle and a variable radial installation angle, the indexable insert handles deflection forces perfectly.

  • Tight drilling tolerances – Up to IT 8 are possible
  • Excellent surface quality is achievable
  • Machining to finished size, no separate fine machining necessary
  • Flexibility during use, due to a variety of geometries and coatings
  • Low machining forces, make it ideal for unstable machining conditions on less powerful machines
  • Low adhesion of chips to the tool holder, thanks to a special coating
  • Good centring as a result of cutting edge geometry
  • Combi shank facilitates clamping in Weldon and Whistle Notch adapters

Its excellent spot drilling results make the KUB Trigon particularly suitable for:

  • Machining on less powerful machines
  • Machining under unstable conditions
  • Creating dimensionally accurate holes
  • Excellent surface quality is achievable
  • Machining to finished size, no separate fine machining
  • For rotating and stationary usage
  • Cost reduced stock requirements and easy handling as the internal and
  • external indexable inserts are identical
  • Outstanding price/performance ratio

● = Main application, ○ = Secondary application, - = Not possible

Hole depth 2xD 3xD 4xD 5xD
Drilling through a transverse hole
Stack plate drilling
Drilling on uneven surfaces
Spot drilling - -
Spot drilling an edge
Spot drilling a convex surface
Spot drilling angled surfaces
Spot drilling a pointed contour
Deep holes -
Drilling through a centre or pre-op