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TOP DRILL FLAT with Through Coolant
TOP DRILL FLAT with Through Coolant
TOP DRILL FLAT with Through Coolant
TOP DRILL FLAT with Through Coolant

TDF511A/WU20PD • TDF521A/WN15HD • A-Shank • 3 x D

TOP DRILL FLAT with Through Coolant

Features and benefits

  • Flat bottom drill with through coolant.

  • Application specific SC Drills design to reduce the number of operations when: 1) a flat bottom hole is needed, eliminating the needs of an additional SC End Mill; 2) is necessary the preparation on an inclined or curved surface.

  • Four-margin land design to improve hole straightness and roundness. Increased stability even in crossing holes operations.

  • Creates full flat bottom holes.

  • Two grades to cover the majority of the workpiece materials.

Uses and application

  • DrillingDrilling
  • Drilling: Inclined EntryDrilling: Inclined Entry
  • Drilling: Inclined ExitDrilling: Inclined Exit
  • Drilling: X-OffsetDrilling: X-Offset
  • Drilling: Flat BottomDrilling: Flat Bottom
  • Drilling: Stacked PlatesDrilling: Stacked Plates
  • Drilling: ConvexDrilling: Convex
  • Chain DrillingChain Drilling
  • Drilling: Cross-Hole DrillingDrilling: Cross-Hole Drilling
  • Drilling: Corner Drilling 45°Drilling: Corner Drilling 45°
  • Drilling Depth: 3xDrilling Depth: 3x
  • Corner Style: Corner ChamferCorner Style: Corner Chamfer
  • Corner Style: Square EndCorner Style: Square End
  • Shank - Cylindrical  Plain ≤h6Shank - Cylindrical Plain ≤h6
  • Helix Angle: 30°Helix Angle: 30°
  • 3856338563
  • 3855038550
  • Drilling - Through CoolantDrilling - Through Coolant
  • Through Coolant: MQL (Minimum Quantity Lubricant): DrillingThrough Coolant: MQL (Minimum Quantity Lubricant): Drilling
  • Tool Dimensions: 2flute/4margin/coolantTool Dimensions: 2flute/4margin/coolant

Workpiece Materials

P Steel
M Stainless Steel
K Cast Iron
N Non-Ferrous
S High-Temp Alloys
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Applications
  • Convex Drilling Convex Drilling (3)
  • Corner Style SquareEnd Drilling Corner Style SquareEnd Drilling (3)
  • CornerStyle Chamfer Drilling CornerStyle Chamfer Drilling (3)
  • Counterboring Counterboring (3)
  • Countersinking Countersinking (3)
  • Cross Hole Drilling Cross Hole Drilling (3)
  • Drilling Drilling (3)
  • Flat Bottom Drilling Flat Bottom Drilling (3)
  • Inclined Entry Drilling Inclined Entry Drilling (3)
  • Inclined Exit Drilling Inclined Exit Drilling (3)
Workpiece Material
  • P Steel (4)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (4)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (4)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS
      (4)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS
      (4)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS
      (4)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS
      (4)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS
      (4)
  • M Stainless Steel (4)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS
      (4)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS
      (4)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS
      (4)
  • K Cast Iron (4)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS
      (4)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS
      (4)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
      (4)
  • N Non-Ferrous Materials (3)
    • N1
      Wrought Aluminum
      (3)
    • N2
      Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%
      (3)
    • N3
      High-Silicon Aluminum Alloys Si >12.2%
      (3)
    • N4
      Copper, Brass, Zinc-based on machinability index range of 70-100
      (3)
  • S High-Temp Alloys (4)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS
      (4)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS
      (4)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS
      (4)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS
      (4)
Cutting Diameter
  • 6.0 (1)
  • 12.0 (1)
  • 14.0 (1)
  • 16.0 (1)
  • 18.0 (1)
  • 20.0 (2)
to
Cutting Diameter
  • 0.2362 (1)
  • 0.4724 (1)
  • 0.5512 (1)
  • 0.6299 (1)
  • 0.7087 (1)
  • 0.7874 (2)
to
Maximum Hole Depth [L4]
  • 0.7874 (1)
  • 1.5748 (1)
  • 1.6929 (1)
  • 1.7717 (1)
  • 2.0079 (1)
  • 2.1654 (2)
to
Maximum Hole Depth [L4]
  • 20.0 (1)
  • 40.0 (1)
  • 43.0 (1)
  • 45.0 (1)
  • 51.0 (1)
  • 55.0 (2)
to
Reach
  • 28.0 (1)
  • 55.0 (1)
  • 60.0 (1)
  • 65.0 (1)
  • 73.0 (1)
  • 79.0 (2)
to
Reach
  • 1.1024 (1)
  • 2.1654 (1)
  • 2.3622 (1)
  • 2.5591 (1)
  • 2.874 (1)
  • 3.1102 (2)
to
application
Coating
  • TiAlN (4)
  • Uncoated (3)
Grade Of Cutting Tool
  • WN15HD (3)
  • WU20PD (4)
backEnd
Back-End Diameter
  • 0.2362 (1)
  • 0.4724 (1)
  • 0.5512 (1)
  • 0.6299 (1)
  • 0.7087 (1)
  • 0.7874 (2)
to
Back-End Diameter
  • 6.0 (1)
  • 12.0 (1)
  • 14.0 (1)
  • 16.0 (1)
  • 18.0 (1)
  • 20.0 (2)
to
other
Grade
  • WN15HD (3)
  • WU20PD (4)
Over All Length [L]
  • 66.0 (1)
  • 102.0 (1)
  • 107.0 (1)
  • 115.0 (1)
  • 123.0 (1)
  • 131.0 (2)
to
Over All Length [L]
  • 2.5984 (1)
  • 4.0157 (1)
  • 4.2126 (1)
  • 4.5276 (1)
  • 4.8425 (1)
  • 5.1575 (2)
to
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SAP Material Number ISO Catalog Number ANSI Catalog Number Grade [D1] Drill Diameter M [D1] Drill Diameter M [L] Overall Length [L] Overall Length [L3] Flute Length [L3] Flute Length [L4] Maximum Drilling Depth [L4] Maximum Drilling Depth [LS] Shank Length [LS] Shank Length [D] Adapter / Shank / Bore Diameter [D] Adapter / Shank / Bore Diameter
6197121 TDF511A20000 TDF511A20000 WU20PD 20.0000 .7874 131.0000 5.157 79.0000 3.110 55.0000 2.165 50.0 1.968 20.0 .7874
    List price:
    $649.81 /each.
    Your price::
    Qty
    6197089 TDF511A14000 TDF511A14000 WU20PD 14.0000 .5512 107.0000 4.212 60.0000 2.362 43.0000 1.692 45.0 1.771 14.0 .5512
      List price:
      $300.03 /each.
      Your price::
      Qty
      6197123 TDF521A06000 TDF521A06000 WN15HD 6.0000 .2362 66.0000 2.598 28.0000 1.102 20.0000 .7874 36.0 1.417 6.0 .2362
        List price:
        $89.41 /each.
        Your price::
        Qty
        6197088 TDF511A12000 TDF511A12000 WU20PD 12.0000 .4724 102.0000 4.015 55.0000 2.165 40.0000 1.574 45.0 1.771 12.0 .4724
          List price:
          $196.48 /each.
          Your price::
          Qty
          6197130 TDF521A20000 TDF521A20000 WN15HD 20.0000 .7874 131.0000 5.157 79.0000 3.110 55.0000 2.165 50.0 1.968 20.0 .7874
            List price:
            $544.42 /each.
            Your price::
            Qty
            6197128 TDF521A16000 TDF521A16000 WN15HD 16.0000 .6299 115.0000 4.527 65.0000 2.559 45.0000 1.771 48.0 1.889 16.0 .6299
              List price:
              $333.80 /each.
              Your price::
              Qty
              6197090 TDF511A18000 TDF511A18000 WU20PD 18.0000 .7087 123.0000 4.842 73.0000 2.874 51.0000 2.007 48.0 1.889 18.0 .7087
                List price:
                $548.70 /each.
                Your price::
                Qty
                List price:
                Discount: %
                Your price::
                Replacement This item is not available
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                Grades

                • WN15HD
                  N Non-Ferrous
                • WU20PD

                  Composition: With a multilayered PVD TiN-TiAlN coating, a high-quality submicron carbide substrate and a state-of-the-art surface condition, this grade gives the highest level of wear resistance at high cutting speeds.
                  Application: First choice for alloyed and high-alloyed steels and cast irons. A state-of-the-art surface condition enables superior chip evacuation even when MQL is applied.

                  P Steel
                  M Stainless Steel
                  K Cast Iron
                  S High-Temp Alloys
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