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  • Products
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  • Modular Drills
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  • TDMX • TOP DRILL™ Modular X
Top Drill™ Modular X (TDMX)TDMX Skinny Banner

Top Drill™ Modular X (TDMX)

Drill Bit for Stainless Steel, Steel, Cast Iron and Super Alloys

Contact an Expert

Modular Stability

A stable modular drilling platform accompanied by three insert geometry types to machine a variety of applications. 

TDMX was engineered with a secure pocket seat design to ensure maximum stability in challenging drilling applications like cross-hole, inclined entry/exit, and interrupted cuts.

Product Features:

  • X pocket seat design to increase stability in high-demanding applications
  • Insert diameter range from .629"-1.574" (16mm-40mm)
  • Margin lands on the entire body to ensure straightness and hole quality
  • Improved chip evacuation
  • Coolant channel exit behind the cutting edge
  • Flanged shank for higher rigidity
  • Polished flutes for improved chip evacuation
  • Tapered insert seat z-axis
  • Engineered grades for material-specific applications
  • Available to regrind 3x
  • Front clamping design easily removed from the body without disassembling the body from the holder to change the insert
TDMX MS Insert

MS (M)

First choice for stainless steel and super-alloy applications.

TDMX PK Insert

PK (M)

First choice for steel and cast iron applications.

TDMX FPE Insert

FPE (M)

First choice for steel and cast iron drilling applications.

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    • P Steel (335)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(335)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(335)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(335)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(335)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(281)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(281)
    • M Stainless Steel (434)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(434)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(434)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(434)
    • K Cast Iron (434)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(434)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(434)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(434)
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      • N1
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      • S2
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      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(334)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(280)
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    TDMX • TOP DRILL™ Modular X
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