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HARVI • ULDV • Asymmetrical Flute Spacing
HARVI • ULDV • Asymmetrical Flute Spacing
HARVI • ULDV • Asymmetrical Flute Spacing
HARVI • ULDV • Asymmetrical Flute Spacing

DUO-λOCK® • HARVI • ULDV • 4-Flute • Inch

HARVI • ULDV • Asymmetrical Flute Spacing

Features and benefits

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

  • Center cutting.

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

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

Uses and application

  • Plunge MillingPlunge Milling
  • Ramping: BlankRamping: Blank
  • Slotting: Square EndSlotting: Square End
  • Side Milling/Shoulder Milling: Square EndSide Milling/Shoulder Milling: Square End
  • Corner Style: Corner RadiusCorner Style: Corner Radius
  • Tool Dimensions: Flute Configuration: 4Tool Dimensions: Flute Configuration: 4
  • Helix Angle: 37°/39°Helix Angle: 37°/39°

Workpiece Materials

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      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (25)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (25)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS
      (25)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS
      (25)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS
      (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)
  • M Stainless Steel (25)
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      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS
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    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS
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      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS
      (25)
  • K Cast Iron (25)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS
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    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS
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    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
      (25)
  • S High-Temp Alloys (25)
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      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)
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      Hardened Materials 44-48 HRC
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    • H2
      Hardened Materials 48-55 HRC
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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)
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  • Slot T Slot T (25)
  • Thread Milling Thread Milling (25)
  • Threading Threading (25)
  • Trochoidal Milling Trochoidal Milling (25)
Cutting Diameter
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  • 12.7 (5)
  • 15.875 (5)
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  • 31.75 (2)
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  • 0.5 (5)
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  • 1.875 (2)
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Cutting Length
  • 14.288 (4)
  • 19.05 (5)
  • 23.812 (4)
  • 23.813 (1)
  • 28.575 (4)
  • 38.1 (5)
  • 47.625 (2)
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Reach
  • 21.4 (4)
  • 28.6 (5)
  • 35.7 (5)
  • 42.9 (4)
  • 57.2 (5)
  • 71.2 (2)
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Reach
  • 0.8425 (4)
  • 1.126 (5)
  • 1.4055 (5)
  • 1.689 (4)
  • 2.252 (5)
  • 2.8031 (2)
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Tool Cutting Edge Angle
  • 90.0 (25)
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cornerConfiguration
Corner Radius
  • 0.381 (3)
  • 0.762 (5)
  • 1.524 (5)
  • 2.286 (6)
  • 3.048 (4)
  • 6.35 (2)
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Corner Radius
  • 0.015 (3)
  • 0.03 (5)
  • 0.06 (5)
  • 0.09 (6)
  • 0.12 (4)
  • 0.25 (2)
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Corner Chamfer
  • 0.0 (25)
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Corner Chamfer
  • 0.0 (25)
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application
Grade Of Cutting Tool
  • KCSM15 (25)
frontEnd
Gage Length [L1]
  • 0.8425 (4)
  • 1.126 (5)
  • 1.4055 (5)
  • 1.689 (4)
  • 2.252 (5)
  • 2.8031 (2)
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Gage Length [L1]
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  • 28.6 (5)
  • 35.7 (5)
  • 42.9 (4)
  • 57.2 (5)
  • 71.2 (2)
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Back-End Diameter
  • 0.3593 (4)
  • 0.4803 (5)
  • 0.6053 (5)
  • 0.7303 (4)
  • 0.9606 (5)
  • 1.2106 (2)
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Back-End Diameter
  • 9.125 (4)
  • 12.2 (5)
  • 15.375 (5)
  • 18.55 (4)
  • 24.4 (5)
  • 30.75 (2)
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Grade
  • KCSM15 (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 (2)
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Over All Length [L]
  • 1.3346 (4)
  • 1.7165 (5)
  • 2.1929 (5)
  • 2.6299 (4)
  • 3.4882 (5)
  • 4.3976 (2)
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SAP Material Number ISO Catalog Number ANSI Catalog Number First Choice 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
6072347 ULDV0375Y4CQA ULDV0375Y4CQA   KCSM15 DUO-LOCK 9.125 .3593 21.4000 .8425 DL10 8.0000 .3150 0.3810 .0150 9.5250 .3750 14.2880 .5625
    6072348 ULDV0375Y4CQB ULDV0375Y4CQB   KCSM15 DUO-LOCK 9.125 .3593 21.4000 .8425 DL10 8.0000 .3150 0.7620 .0300 9.5250 .3750 14.2880 .5625
      6072349 ULDV0375Y4CQC ULDV0375Y4CQC   KCSM15 DUO-LOCK 9.125 .3593 21.4000 .8425 DL10 8.0000 .3150 1.5240 .0600 9.5250 .3750 14.2880 .5625
        6072350 ULDV0375Y4CQD ULDV0375Y4CQD   KCSM15 DUO-LOCK 9.125 .3593 21.4000 .8425 DL10 8.0000 .3150 2.2860 .0900 9.5250 .3750 14.2880 .5625
          6072351 ULDV0500Y4CQA ULDV0500Y4CQA   KCSM15 DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 0.3810 .0150 12.7000 .5000 19.0500 .7500
            6072352 ULDV0500Y4CQB ULDV0500Y4CQB   KCSM15 DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 0.7620 .0300 12.7000 .5000 19.0500 .7500
              6072353 ULDV0500Y4CQC ULDV0500Y4CQC   KCSM15 DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 1.5240 .0600 12.7000 .5000 19.0500 .7500
                6072354 ULDV0500Y4CQD ULDV0500Y4CQD   KCSM15 DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 2.2860 .0900 12.7000 .5000 19.0500 .7500
                  6072355 ULDV0500Y4CQE ULDV0500Y4CQE   KCSM15 DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 3.0480 .1200 12.7000 .5000 19.0500 .7500
                    6072356 ULDV0625Y4CQA ULDV0625Y4CQA   KCSM15 DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 0.3810 .0150 15.8750 .6250 23.8120 .9375
                      6072357 ULDV0625Y4CQB ULDV0625Y4CQB   KCSM15 DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 0.7620 .0300 15.8750 .6250 23.8120 .9375
                        6072358 ULDV0625Y4CQC ULDV0625Y4CQC   KCSM15 DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 1.5240 .0600 15.8750 .6250 23.8130 .9375
                          6072359 ULDV0625Y4CQD ULDV0625Y4CQD   KCSM15 DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 2.2860 .0900 15.8750 .6250 23.8120 .9375
                            6072360 ULDV0625Y4CQE ULDV0625Y4CQE   KCSM15 DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 3.0480 .1200 15.8750 .6250 23.8120 .9375
                              6072361 ULDV0750Y4CQB ULDV0750Y4CQB   KCSM15 DUO-LOCK 18.55 .7303 42.9000 1.689 DL20 16.0000 .6299 0.7620 .0300 19.0500 .7500 28.5750 1.125
                                6072362 ULDV0750Y4CQC ULDV0750Y4CQC   KCSM15 DUO-LOCK 18.55 .7303 42.9000 1.689 DL20 16.0000 .6299 1.5240 .0600 19.0500 .7500 28.5750 1.125
                                  6072363 ULDV0750Y4CQD ULDV0750Y4CQD   KCSM15 DUO-LOCK 18.55 .7303 42.9000 1.689 DL20 16.0000 .6299 2.2860 .0900 19.0500 .7500 28.5750 1.125
                                    6072364 ULDV0750Y4CQE ULDV0750Y4CQE   KCSM15 DUO-LOCK 18.55 .7303 42.9000 1.689 DL20 16.0000 .6299 3.0480 .1200 19.0500 .7500 28.5750 1.125
                                      6072365 ULDV1000Y4CQB ULDV1000Y4CQB   KCSM15 DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 0.7620 .0300 25.4000 1.000 38.1000 1.500
                                        6072366 ULDV1000Y4CQC ULDV1000Y4CQC   KCSM15 DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 1.5240 .0600 25.4000 1.000 38.1000 1.500
                                          6072367 ULDV1000Y4CQD ULDV1000Y4CQD   KCSM15 DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 2.2860 .0900 25.4000 1.000 38.1000 1.500
                                            6072368 ULDV1000Y4CQE ULDV1000Y4CQE   KCSM15 DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 3.0480 .1200 25.4000 1.000 38.1000 1.500
                                              6072369 ULDV1000Y4CQF ULDV1000Y4CQF   KCSM15 DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 6.3500 .2500 25.4000 1.000 38.1000 1.500
                                                6072370 ULDV1250Y4CQD ULDV1250Y4CQD   KCSM15 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
                                                  6072381 ULDV1250Y4CQF ULDV1250Y4CQF   KCSM15 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

                                                    • KCSM15

                                                      Coated carbide grade with thick PVD coating and optimized chemistry 

                                                      and process for increased wear resistance. Outstanding protection in milling stainless steel to mitigate crater, DOCN (depth-of-cut notching), and flank wear. Excellent performance up to 52 HRC.

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