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WCE4 • Radiused • 4 Flute • Cylindrical Shank • Inch
WCE4 • Radiused • 4 Flute • Cylindrical Shank • Inch
WCE4 • Radiused • 4 Flute • Cylindrical Shank • Inch
WCE4 • Radiused • 4 Flute • Cylindrical Shank • Inch

WCE4 • Series W421 • Radiused • 4 Flute • Cylindrical Shank • Inch

WCE4 • Radiused • 4 Flute • Cylindrical Shank • Inch

Features and benefits

  • WU20PE Grade

  • Variable helix to reduce vibrations and increase overall stability

  • Asymmetrical pitch to cut harmonics and reduce vibrations

  • Eccentric relief to provide vibration dampening and increase tool life on Steel, Stainless Steel and Cast Iron materials

  • Core taper to increase tool stability and chip evacuation

Uses and application

  • Corner Style: Corner RadiusCorner Style: Corner Radius
  • Shank - Cylindrical Plain ≤h6Shank - Cylindrical Plain ≤h6
  • Helix Angle: X°Helix Angle: X°
  • Helical MillingHelical Milling
  • Ramping: BlankRamping: Blank
  • Slotting: Square EndSlotting: Square End
  • Side Milling/Shoulder Milling: Square EndSide Milling/Shoulder Milling: Square End
WCE4 • Radiused • 4 Flute • Cylindrical Shank • Inch
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Workpiece Material
Workpiece Material
  • P Steel (10)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (10)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (10)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (10)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (10)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (10)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (10)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (10)
  • M Stainless Steel (10)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (10)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (10)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (10)
  • K Cast Iron (10)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (10)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (10)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (10)
  • S High-Temp Alloys (10)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS (10)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (10)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS (10)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS (10)
  • H Hardened Materials (10)
    • H1
      Hardened Materials 44-48 HRC (10)
    • H2
      Hardened Materials 48-55 HRC (10)
Applications
Applications
  • Pocket Helical Pocket Helical (10)
  • Pocket Milling Pocket Milling (10)
  • Ramping Ramping (10)
  • Shoulder Milling Shoulder Milling (10)
  • Shoulder Square End Shoulder Square End (10)
  • Slot Milling Slot Milling (10)
  • Slot Square End Slot Square End (10)
Cutting Diameter
Cutting Diameter
  • 0.25 in (3)
  • 0.313 in (3)
  • 0.375 in (4)
Cutting Diameter Min to Cutting Diameter Max
Cutting Diameter
Cutting Diameter
  • 6.351 mm (3)
  • 7.95 mm (3)
  • 9.525 mm (4)
Cutting Diameter Min to Cutting Diameter Max
Cutting Length
Cutting Length
  • 31.75 mm (6)
  • 38.1 mm (4)
Cutting Length Min to Cutting Length Max
Cutting Length
Cutting Length
  • 1.25 in (6)
  • 1.5 in (4)
Cutting Length Min to Cutting Length Max
Over All Length [L]
Over All Length [L]
  • 3.25 in (6)
  • 4.0 in (4)
Over All Length [L] Min to Over All Length [L] Max
Over All Length [L]
Over All Length [L]
  • 82.551 mm (6)
  • 101.601 mm (4)
Over All Length [L] Min to Over All Length [L] Max
Corner configuration
Corner Radius
Corner Radius
  • 0.015 in (3)
  • 0.03 in (3)
  • 0.06 in (3)
  • 0.09 in (1)
Corner Radius Min to Corner Radius Max
Corner Radius
Corner Radius
  • 0.375 mm (3)
  • 0.75 mm (3)
  • 1.526 mm (3)
  • 2.275 mm (1)
Corner Radius Min to Corner Radius Max
Back-End
Back-End Diameter
Back-End Diameter
  • 6.351 mm (3)
  • 7.95 mm (3)
  • 9.525 mm (4)
Back-End Diameter Min to Back-End Diameter Max
Back-End Diameter
Back-End Diameter
  • 0.25 in (3)
  • 0.313 in (3)
  • 0.375 in (4)
Back-End Diameter Min to Back-End Diameter Max
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SAP Material Number ISO Catalog Number ANSI Catalog Number Grade [D1] Effective Cutting Diameter [D1] Effective Cutting Diameter [L] Overall Length [L] Overall Length Adapter Style Machine Side [Z] Number of Flutes [D] Adapter / Shank / Bore Diameter [D] Adapter / Shank / Bore Diameter [AP1MAX] 1st Maximum Cutting Depth [AP1MAX] 1st Maximum Cutting Depth [Re] Corner Radius [Re] Corner Radius
6945942 W421E07023RAT W421E07023RAT WU20PE 6.35 .25 82.55 3.25 Straight-Cylindrical 4 6.35 .25 31.75 1.25 0.381 .015
    List price:
    $26.93 /each
    Your price:
    6945943 W421E07023RET W421E07023RET WU20PE 6.35 .25 82.55 3.25 Straight-Cylindrical 4 6.35 .25 31.75 1.25 0.762 .03
      List price:
      $26.93 /each
      Your price:
      6945944 W421E07023RGT W421E07023RGT WU20PE 6.35 .25 82.55 3.25 Straight-Cylindrical 4 6.35 .25 31.75 1.25 1.524 .06
        List price:
        $26.93 /each
        Your price:
        6945949 W421E08024RAT W421E08024RAT WU20PE 7.938 .3125 82.55 3.25 Straight-Cylindrical 4 7.938 .3125 31.75 1.25 0.381 .015
          List price:
          $39.89 /each
          Your price:
          6945950 W421E08024RET W421E08024RET WU20PE 7.938 .3125 82.55 3.25 Straight-Cylindrical 4 7.938 .3125 31.75 1.25 0.762 .03
            List price:
            $39.89 /each
            Your price:
            6945951 W421E08024RGT W421E08024RGT WU20PE 7.938 .3125 82.55 3.25 Straight-Cylindrical 4 7.938 .3125 31.75 1.25 1.524 .06
              List price:
              $39.89 /each
              Your price:
              6945952 W421E10025RAT W421E10025RAT WU20PE 9.525 .375 101.6 4 Straight-Cylindrical 4 9.525 .375 38.1 1.5 0.381 .015
                List price:
                $59.30 /each
                Your price:
                6945953 W421E10025RET W421E10025RET WU20PE 9.525 .375 101.6 4 Straight-Cylindrical 4 9.525 .375 38.1 1.5 0.762 .03
                  List price:
                  $59.30 /each
                  Your price:
                  6945954 W421E10025RGT W421E10025RGT WU20PE 9.525 .375 101.6 4 Straight-Cylindrical 4 9.525 .375 38.1 1.5 1.524 .06
                    List price:
                    $59.30 /each
                    Your price:
                    6945955 W421E10025RJT W421E10025RJT WU20PE 9.525 .375 101.6 4 Straight-Cylindrical 4 9.525 .375 38.1 1.5 2.286 .09
                      List price:
                      $59.30 /each
                      Your price:
                      List price:
                      Discount: %
                      Your price:
                      Replacement This item is no longer available
                      Replacement Product Please contact customer service for assistance
                      Ae/D 2% 4% 5% 8% 10% 12% 20% 30% 40% 50% 100%
                      Speed Factor Kv 1.9 3.3 1.45 2.7 1.45 2.3 1.45 1.3 1.3 1.2 1.1 1.0 0.9 0.8
                      Feed Factor KFz 3.51 2.51 2.25 1.80 1.64 1.51 1.23 1.07 1.00 0.98 0.98
                      Ae/D 2% 4% 5% 8% 10% 12% 20% 30% 40% 50% 100%
                      Speed Factor Kv 1,9 3,3 1,45 2,7 1,45 2,3 1,45 1,3 1,3 1,2 1,1 1,0 0,9 0,8
                      Feed Factor KFz 3,51 2,51 2,25 1,80 1,64 1,51 1,23 1,07 1,00 0,98 0,98
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