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HARVI II • UDDV • Unequal Flute Spacing
HARVI II • UDDV • Unequal Flute Spacing
HARVI II • UDDV • Unequal Flute Spacing
HARVI II • UDDV • Unequal Flute Spacing

DUO-λOCK® • HARVI II • UDDV • 5-Flute • Inch

HARVI II • UDDV • Unequal Flute Spacing

Features and benefits

  • Unequal flute spacing and variable helix configuration minimize chatter and harmonics for smoother machining.

  • Non-center cutting.

  • Ramping up to 3°.

  • Five-flute geometry able to slot up to 1 x D.

  • Single tool for both roughing and finishing, reducing setups.

  • Standard items listed. Additional styles and coatings made-to-order.

Uses and application

  • Ramping: 3°Ramping: 3°
  • Slotting: Square EndSlotting: Square End
  • Side Milling/Shoulder Milling: Square EndSide Milling/Shoulder Milling: Square End
  • Tool Dimensions: Flute Configuration: 5Tool Dimensions: Flute Configuration: 5
  • Corner Style: Corner RadiusCorner Style: Corner Radius
  • Helix Angle: 37°/39°Helix Angle: 37°/39°

Workpiece Materials

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Workpiece Material
  • P Steel (25)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS
      (25)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS
      (25)
  • S High-Temp Alloys (25)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS
      (25)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS
      (25)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS
      (25)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS
      (25)
  • H Hardened Materials (25)
    • H1
      Hardened Materials 44-48 HRC
      (25)
    • H2
      Hardened Materials 48-55 HRC
      (25)
Applications
  • Chamfer Milling Chamfer Milling (25)
  • Concave Radius Milling Concave Radius Milling (25)
  • Countersinking Countersinking (25)
  • Drilling Drilling (25)
  • Face Milling Face Milling (25)
  • Flat Bottom Drilling Flat Bottom Drilling (25)
  • Pipe Thread Pipe Thread (25)
  • Pocket Pocket (25)
  • Pocket Helical Pocket Helical (25)
  • Pocket Milling Pocket Milling (25)
  • Pocket Plunge Milling Pocket Plunge Milling (25)
  • Profile Milling Profile Milling (25)
  • Ramping Ramping (25)
  • Shoulder Ball Nose Shoulder Ball Nose (25)
  • Shoulder Bottom Shoulder Shoulder Bottom Shoulder (25)
  • Shoulder Milling Shoulder Milling (25)
  • Shoulder Roughing Shoulder Roughing (25)
  • Shoulder Square End Shoulder Square End (25)
  • Slot Ball Nose Slot Ball Nose (25)
  • Slot Milling Slot Milling (25)
  • Slot Side Slot Side (25)
  • Slot Square End Slot Square End (25)
  • Slot T Slot T (25)
  • Thread Milling Thread Milling (25)
  • Threading Threading (25)
  • Trochoidal Milling Trochoidal Milling (25)
Cutting Diameter
  • 9.525 (4)
  • 12.7 (5)
  • 15.875 (5)
  • 19.05 (4)
  • 25.4 (5)
  • 31.75 (2)
to
Cutting Diameter
  • 0.375 (4)
  • 0.5 (5)
  • 0.625 (5)
  • 0.75 (4)
  • 1.0 (5)
  • 1.25 (2)
to
Cutting Length
  • 0.5625 (4)
  • 0.75 (5)
  • 0.9375 (5)
  • 1.125 (4)
  • 1.5 (5)
  • 1.875 (2)
to
Cutting Length
  • 14.288 (4)
  • 19.05 (5)
  • 23.812 (5)
  • 28.575 (4)
  • 38.1 (5)
  • 47.625 (2)
to
Reach
  • 21.4 (4)
  • 28.6 (5)
  • 35.7 (5)
  • 42.9 (4)
  • 57.2 (5)
  • 71.2 (2)
to
Reach
  • 0.8425 (4)
  • 1.126 (5)
  • 1.4055 (5)
  • 1.689 (4)
  • 2.252 (5)
  • 2.8031 (2)
to
Tool Cutting Edge Angle
  • 90.0 (25)
to
cornerConfiguration
Corner Radius
  • 0.381 (3)
  • 0.762 (5)
  • 1.524 (5)
  • 2.286 (6)
  • 3.048 (4)
  • 6.35 (2)
to
Corner Radius
  • 0.015 (3)
  • 0.03 (5)
  • 0.06 (5)
  • 0.09 (6)
  • 0.12 (4)
  • 0.25 (2)
to
Corner Chamfer
  • 0.0 (25)
to
Corner Chamfer
  • 0.0 (25)
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application
Grade Of Cutting Tool
  • KC643M (25)
frontEnd
Gage Length [L1]
  • 0.843 (4)
  • 1.126 (5)
  • 1.4055 (5)
  • 1.689 (4)
  • 2.252 (5)
  • 2.815 (2)
to
Gage Length [L1]
  • 21.4 (4)
  • 28.6 (5)
  • 35.7 (5)
  • 42.9 (4)
  • 57.2 (5)
  • 71.5 (2)
to
backEnd
Back-End Diameter
  • 0.3593 (4)
  • 0.4803 (5)
  • 0.6053 (5)
  • 0.7303 (4)
  • 0.9606 (5)
  • 1.2106 (2)
to
Back-End Diameter
  • 9.125 (4)
  • 12.2 (5)
  • 15.375 (5)
  • 18.55 (4)
  • 24.4 (5)
  • 30.75 (2)
to
other
Grade
  • KC643M (25)
Platform
  • DUO-LOCK End Mills (25)
Tool Unit
  • I (25)
Over All Length [L]
  • 33.9 (4)
  • 43.6 (5)
  • 55.7 (5)
  • 66.8 (4)
  • 88.6 (5)
  • 111.7 (1)
  • 112.2 (1)
to
Over All Length [L]
  • 1.3346 (4)
  • 1.7165 (5)
  • 2.1929 (5)
  • 2.6299 (4)
  • 3.4882 (5)
  • 4.3976 (1)
  • 4.4173 (1)
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SAP Material Number ISO Catalog Number ANSI Catalog Number Grade Adapter Style Machine Side [D] Adapter / Shank / Bore Diameter [D] Adapter / Shank / Bore Diameter [L1] Gage Length [L1] Gage Length [CSMS] System Size Machine Side [WF] Width of Flat [WF] Width of Flat [Re] Corner Radius [Re] Corner Radius [D1] Effective Cutting Diameter [D1] Effective Cutting Diameter [AP1MAX] 1st Maximum Cutting Depth [AP1MAX] 1st Maximum Cutting Depth
6072231 UDDV0375Y5CQA UDDV0375Y5CQA KC643M DUO-LOCK 9.125 .3593 21.4000 .8425 DL10 8.0000 .3150 0.3810 .0150 9.5250 .3750 14.2880 .5625
    6072232 UDDV0375Y5CQB UDDV0375Y5CQB KC643M DUO-LOCK 9.125 .3593 21.4000 .8425 DL10 8.0000 .3150 0.7620 .0300 9.5250 .3750 14.2880 .5625
      6072233 UDDV0375Y5CQC UDDV0375Y5CQC KC643M DUO-LOCK 9.125 .3593 21.4000 .8425 DL10 8.0000 .3150 1.5240 .0600 9.5250 .3750 14.2880 .5625
        6072234 UDDV0375Y5CQD UDDV0375Y5CQD KC643M DUO-LOCK 9.125 .3593 21.4000 .8425 DL10 8.0000 .3150 2.2860 .0900 9.5250 .3750 14.2880 .5625
          6072235 UDDV0500Y5CQA UDDV0500Y5CQA KC643M DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 0.3810 .0150 12.7000 .5000 19.0500 .7500
            6072236 UDDV0500Y5CQB UDDV0500Y5CQB KC643M DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 0.7620 .0300 12.7000 .5000 19.0500 .7500
              6072237 UDDV0500Y5CQC UDDV0500Y5CQC KC643M DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 1.5240 .0600 12.7000 .5000 19.0500 .7500
                6072238 UDDV0500Y5CQD UDDV0500Y5CQD KC643M DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 2.2860 .0900 12.7000 .5000 19.0500 .7500
                  6072239 UDDV0500Y5CQE UDDV0500Y5CQE KC643M DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 3.0480 .1200 12.7000 .5000 19.0500 .7500
                    6072240 UDDV0625Y5CQA UDDV0625Y5CQA KC643M DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 0.3810 .0150 15.8750 .6250 23.8120 .9375
                      6072251 UDDV0625Y5CQB UDDV0625Y5CQB KC643M DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 0.7620 .0300 15.8750 .6250 23.8120 .9375
                        6072252 UDDV0625Y5CQC UDDV0625Y5CQC KC643M DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 1.5240 .0600 15.8750 .6250 23.8120 .9375
                          6072253 UDDV0625Y5CQD UDDV0625Y5CQD KC643M DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 2.2860 .0900 15.8750 .6250 23.8120 .9375
                            6072254 UDDV0625Y5CQE UDDV0625Y5CQE KC643M DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 3.0480 .1200 15.8750 .6250 23.8120 .9375
                              6072255 UDDV0750Y5CQB UDDV0750Y5CQB KC643M DUO-LOCK 18.55 .7303 42.9000 1.689 DL20 16.0000 .6299 0.7620 .0300 19.0500 .7500 28.5750 1.125
                                6072256 UDDV0750Y5CQC UDDV0750Y5CQC KC643M DUO-LOCK 18.55 .7303 42.9000 1.689 DL20 16.0000 .6299 1.5240 .0600 19.0500 .7500 28.5750 1.125
                                  6072257 UDDV0750Y5CQD UDDV0750Y5CQD KC643M DUO-LOCK 18.55 .7303 42.9000 1.689 DL20 16.0000 .6299 2.2860 .0900 19.0500 .7500 28.5750 1.125
                                    6072258 UDDV0750Y5CQE UDDV0750Y5CQE KC643M DUO-LOCK 18.55 .7303 42.9000 1.689 DL20 16.0000 .6299 3.0480 .1200 19.0500 .7500 28.5750 1.125
                                      6072259 UDDV1000Y5CQB UDDV1000Y5CQB KC643M DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 0.7620 .0300 25.4000 1.000 38.1000 1.500
                                        6072260 UDDV1000Y5CQC UDDV1000Y5CQC KC643M DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 1.5240 .0600 25.4000 1.000 38.1000 1.500
                                          6072271 UDDV1000Y5CQD UDDV1000Y5CQD KC643M DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 2.2860 .0900 25.4000 1.000 38.1000 1.500
                                            6072272 UDDV1000Y5CQE UDDV1000Y5CQE KC643M DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 3.0480 .1200 25.4000 1.000 38.1000 1.500
                                              6072273 UDDV1000Y5CQF UDDV1000Y5CQF KC643M DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 6.3500 .2500 25.4000 1.000 38.1000 1.500
                                                6072274 UDDV1250Y5CQD UDDV1250Y5CQD KC643M DUO-LOCK 30.75 1.210 71.2000 2.803 DL32 28.0000 1.102 2.2860 .0900 31.7500 1.250 47.6250 1.875
                                                  6072275 UDDV1250Y5CQF UDDV1250Y5CQF KC643M DUO-LOCK 30.75 1.210 71.2000 2.803 DL32 28.0000 1.102 6.3500 .2500 31.7500 1.250 47.6250 1.875
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                                                    Grades

                                                    • KC643M

                                                      Coated fine-grain grade with PVD (AlTiN). KC643M is a hard PVD coating particularly suitable for cutting steel, cast iron, stainless steel (wet), and titanium (wet). This grade can be used for materials with hardness up to 52 HRC.

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