Cutting Tools For Automotive Applications 

The EXOTAP®-DC taps are the industry leading tap for processing threads in Cast Iron, Ductile Iron and Cast Aluminum. The combination of ultra-strong rake with our VC10 powdered metal substrate makes this tap the absolute best soltion for threading ductile castings.


  • Eccentic thread relief
  • Straight flute design
  • Multi-layered TiCN (V) coating from OSG
  • Available DIN or ANSI oberall lengths, coolant-through or solid, metric and inch, up to 1" or M24.
  • Reduces friction during cutting, thereby minimizing heat generation and extending life.
  • Most rigid cut tap design, suitable for both through and blind holes.
  • The layered configuration resists thermal cracking while increasing surface hardness to extend life up to 3X vs monolayered TiCN.
  • Absolute versatility for any machining operation in Ductile Iron.


  • Cast Iron, Ductile Iron, Cast Aluminum, Powdered Metal, Ductile Castings.
  • Utilize the coolant-thru the tool option for machines with spindle-through coolant to further optimize performance.
  • Combine with synchronized tapping and tap at speeds of 200~300 SFM in Cast Iron and beyond in Aluminum.

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