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RSM II • FSDE • High-Performance Finishing
RSM II • FSDE • High-Performance Finishing
RSM II • FSDE • High-Performance Finishing
RSM II • FSDE • High-Performance Finishing

DUO-λOCK® • FSDE • Inch

RSM II • FSDE • High-Performance Finishing

Features and benefits

  • Non-center cutting.

  • Optimized geometry for titanium machining.

  • Unequal flute spacing minimizes chatter for smoother machining.

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

Uses and application

  • Side Milling/Shoulder Milling: Square EndSide Milling/Shoulder Milling: Square End
  • Corner Style: Corner RadiusCorner Style: Corner Radius
  • Helix Angle: 36°Helix Angle: 36°
  • Tool Dimensions: Flute Configuration: X (variable)Tool Dimensions: Flute Configuration: X (variable)
  • Side Milling/Shoulder Milling: Fine FinishingSide Milling/Shoulder Milling: Fine Finishing

Workpiece Materials

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Workpiece Material
  • P Steel (23)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS
      (23)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS
      (23)
  • M Stainless Steel (23)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS
      (23)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS
      (23)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS
      (23)
  • S High-Temp Alloys (23)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS
      (23)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS
      (23)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS
      (23)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS
      (23)
  • H Hardened Materials (23)
    • H1
      Hardened Materials 44-48 HRC
      (23)
    • H2
      Hardened Materials 48-55 HRC
      (23)
Applications
  • Chamfer Milling Chamfer Milling (23)
  • Concave Radius Milling Concave Radius Milling (23)
  • Countersinking Countersinking (23)
  • Drilling Drilling (23)
  • Face Milling Face Milling (23)
  • Flat Bottom Drilling Flat Bottom Drilling (23)
  • Pipe Thread Pipe Thread (23)
  • Pocket Pocket (23)
  • Pocket Helical Pocket Helical (23)
  • Pocket Milling Pocket Milling (23)
  • Pocket Plunge Milling Pocket Plunge Milling (23)
  • Profile Milling Profile Milling (23)
  • Ramping Ramping (23)
  • Shoulder Ball Nose Shoulder Ball Nose (23)
  • Shoulder Bottom Shoulder Shoulder Bottom Shoulder (23)
  • Shoulder Milling Shoulder Milling (23)
  • Shoulder Roughing Shoulder Roughing (23)
  • Shoulder Square End Shoulder Square End (23)
  • Slot Ball Nose Slot Ball Nose (23)
  • Slot Milling Slot Milling (23)
  • Slot Side Slot Side (23)
  • Slot Square End Slot Square End (23)
  • Slot T Slot T (23)
  • Thread Milling Thread Milling (23)
  • Threading Threading (23)
  • Trochoidal Milling Trochoidal Milling (23)
Cutting Diameter
  • 9.525 (4)
  • 12.7 (5)
  • 15.875 (5)
  • 19.05 (4)
  • 25.4 (5)
to
Cutting Diameter
  • 0.375 (4)
  • 0.5 (5)
  • 0.625 (5)
  • 0.75 (4)
  • 1.0 (5)
to
Cutting Length
  • 0.5625 (4)
  • 0.75 (5)
  • 0.9375 (5)
  • 1.125 (4)
  • 1.5 (5)
to
Cutting Length
  • 14.288 (4)
  • 19.05 (5)
  • 23.813 (5)
  • 28.575 (4)
  • 38.1 (5)
to
Reach
  • 21.4 (4)
  • 28.6 (5)
  • 35.7 (5)
  • 42.9 (4)
  • 57.2 (5)
to
Reach
  • 0.8425 (4)
  • 1.126 (5)
  • 1.4055 (5)
  • 1.689 (4)
  • 2.252 (5)
to
Tool Cutting Edge Angle
  • 90.0 (23)
to
cornerConfiguration
Corner Radius
  • 0.381 (3)
  • 0.762 (5)
  • 1.524 (5)
  • 2.286 (5)
  • 3.048 (4)
  • 6.35 (1)
to
Corner Radius
  • 0.015 (3)
  • 0.03 (5)
  • 0.06 (5)
  • 0.09 (5)
  • 0.12 (4)
  • 0.25 (1)
to
Corner Chamfer
  • 0.0 (23)
to
Corner Chamfer
  • 0.0 (23)
to
application
Grade Of Cutting Tool
  • KC643M (23)
frontEnd
Gage Length [L1]
  • 0.8425 (4)
  • 1.126 (5)
  • 1.4055 (5)
  • 1.689 (4)
  • 2.252 (5)
to
Gage Length [L1]
  • 21.4 (4)
  • 28.6 (5)
  • 35.7 (5)
  • 42.9 (4)
  • 57.2 (5)
to
backEnd
Back-End Diameter
  • 0.3593 (4)
  • 0.4803 (5)
  • 0.6053 (5)
  • 0.7303 (4)
  • 0.9606 (5)
to
Back-End Diameter
  • 9.125 (4)
  • 12.2 (5)
  • 15.375 (5)
  • 18.55 (4)
  • 24.4 (5)
to
other
Grade
  • KC643M (23)
Platform
  • DUO-LOCK End Mills (23)
Tool Unit
  • I (23)
Over All Length [L]
  • 33.9 (4)
  • 43.6 (5)
  • 55.7 (5)
  • 66.8 (4)
  • 88.6 (5)
to
Over All Length [L]
  • 1.3346 (4)
  • 1.7165 (5)
  • 2.1929 (5)
  • 2.6299 (4)
  • 3.4882 (5)
to
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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 [Z] Number of Flutes [Re] Corner Radius [Re] Corner Radius [D1] Effective Cutting Diameter [D1] Effective Cutting Diameter [AP1MAX] 1st Maximum Cutting Depth [AP1MAX] 1st Maximum Cutting Depth
6127058 FSDE0375Y9CQA FSDE0375Y9CQA KC643M DUO-LOCK 9.125 .3593 21.4000 .8425 DL10 8.0000 .3150 9 0.3810 .0150 9.5250 .3750 14.2880 .5625
    6127059 FSDE0375Y9CQB FSDE0375Y9CQB KC643M DUO-LOCK 9.125 .3593 21.4000 .8425 DL10 8.0000 .3150 9 0.7620 .0300 9.5250 .3750 14.2880 .5625
      6127060 FSDE0375Y9CQC FSDE0375Y9CQC KC643M DUO-LOCK 9.125 .3593 21.4000 .8425 DL10 8.0000 .3150 9 1.5240 .0600 9.5250 .3750 14.2880 .5625
        6127211 FSDE0375Y9CQD FSDE0375Y9CQD KC643M DUO-LOCK 9.125 .3593 21.4000 .8425 DL10 8.0000 .3150 9 2.2860 .0900 9.5250 .3750 14.2880 .5625
          6127212 FSDE0500Y9CQA FSDE0500Y9CQA KC643M DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 9 0.3810 .0150 12.7000 .5000 19.0500 .7500
            6127213 FSDE0500Y9CQB FSDE0500Y9CQB KC643M DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 9 0.7620 .0300 12.7000 .5000 19.0500 .7500
              6127214 FSDE0500Y9CQC FSDE0500Y9CQC KC643M DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 9 1.5240 .0600 12.7000 .5000 19.0500 .7500
                6127215 FSDE0500Y9CQD FSDE0500Y9CQD KC643M DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 9 2.2860 .0900 12.7000 .5000 19.0500 .7500
                  6127216 FSDE0500Y9CQE FSDE0500Y9CQE KC643M DUO-LOCK 12.2 .4803 28.6000 1.126 DL12 9.5000 .3740 9 3.0480 .1200 12.7000 .5000 19.0500 .7500
                    6127217 FSDE0625Y11CQA FSDE0625Y11CQA KC643M DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 11 0.3810 .0150 15.8750 .6250 23.8130 .9375
                      6127218 FSDE0625Y11CQB FSDE0625Y11CQB KC643M DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 11 0.7620 .0300 15.8750 .6250 23.8130 .9375
                        6127219 FSDE0625Y11CQC FSDE0625Y11CQC KC643M DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 11 1.5240 .0600 15.8750 .6250 23.8130 .9375
                          6127220 FSDE0625Y11CQD FSDE0625Y11CQD KC643M DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 11 2.2860 .0900 15.8750 .6250 23.8130 .9375
                            6127231 FSDE0625Y11CQE FSDE0625Y11CQE KC643M DUO-LOCK 15.375 .6053 35.7000 1.405 DL16 13.0000 .5118 11 3.0480 .1200 15.8750 .6250 23.8130 .9375
                              6127232 FSDE0750Y15CQB FSDE0750Y15CQB KC643M DUO-LOCK 18.55 .7303 42.9000 1.689 DL20 16.0000 .6299 15 0.7620 .0300 19.0500 .7500 28.5750 1.125
                                6127233 FSDE0750Y15CQC FSDE0750Y15CQC KC643M DUO-LOCK 18.55 .7303 42.9000 1.689 DL20 16.0000 .6299 15 1.5240 .0600 19.0500 .7500 28.5750 1.125
                                  6127234 FSDE0750Y15CQD FSDE0750Y15CQD KC643M DUO-LOCK 18.55 .7303 42.9000 1.689 DL20 16.0000 .6299 15 2.2860 .0900 19.0500 .7500 28.5750 1.125
                                    6127235 FSDE0750Y15CQE FSDE0750Y15CQE KC643M DUO-LOCK 18.55 .7303 42.9000 1.689 DL20 16.0000 .6299 15 3.0480 .1200 19.0500 .7500 28.5750 1.125
                                      6127236 FSDE1000Y19CQB FSDE1000Y19CQB KC643M DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 19 0.7620 .0300 25.4000 1.000 38.1000 1.500
                                        6127237 FSDE1000Y19CQC FSDE1000Y19CQC KC643M DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 19 1.5240 .0600 25.4000 1.000 38.1000 1.500
                                          6127238 FSDE1000Y19CQD FSDE1000Y19CQD KC643M DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 19 2.2860 .0900 25.4000 1.000 38.1000 1.500
                                            6127239 FSDE1000Y19CQE FSDE1000Y19CQE KC643M DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 19 3.0480 .1200 25.4000 1.000 38.1000 1.500
                                              6127240 FSDE1000Y19CQF FSDE1000Y19CQF KC643M DUO-LOCK 24.4 .9606 57.2000 2.252 DL25 21.0000 .8268 19 6.3500 .2500 25.4000 1.000 38.1000 1.500
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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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