Mill 4-15™ Milling Cutters Metric
The Mill 4-15™ metric series of cutters is specially engineered to achieve excellent performance in surface quality as well as higher material removal rates in shoulder milling roughing and finishing applications. Its unique design enables multiple passes (stepping down) with outstanding results. Mill 4-15 is applicable in a wide range of workpiece materials including steel, cast iron, stainless steel, and titanium. They have up to 15.5mm [.610”] maximum depth-of-cut and superior wall and surface finish capabilities. Along with an effective internal coolant feature, Mill 4-15 metric cutters are available with screw-on, cylindrical, and Weldon shank options, and in shell mill types.
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Workpiece Material
Workpiece Material
- P Steel (37)
- P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(37)
- P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(37)
- P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(37)
- P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(37)
- P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(37)
- P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(37)
- P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(37)
- M Stainless Steel (37)
- M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(37)
- M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(37)
- M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(37)
- K Cast Iron (37)
- K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(37)
- K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(37)
- K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(37)
- N Non-Ferrous Materials (37)
- N1Wrought Aluminum (37)
- N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(37)
- N3High-Silicon Aluminum Alloys Si >12.2%(37)
- S High-Temp Alloys (37)
- S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(37)
- S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(37)
- S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(37)
- S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(37)
- H Hardened Materials (37)
- H1Hardened Materials 44-48 HRC(37)
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- BR (1)
- CN (36)
- DE (36)
- GB (22)
- IN (1)
- SG (8)
- US (9)
Applications
Applications
Face Milling (37)
Shoulder Milling (37)
Slot Milling (10)
Slot Square End (10)
Cutting Diameter
Cutting Diameter
- 0.984 in(4)
- 1.26 in(7)
- 1.378 in(1)
- 1.575 in(7)
- 1.968 in(2)
- 1.969 in(1)
- 2.48 in(3)
- 3.15 in(3)
- 3.937 in(3)
- 4.921 in(2)
- 4.9213 in(1)
- 6.299 in(1)
- 6.2992 in(2)
to
Cutting Diameter
Cutting Diameter
- 25.0 mm(4)
- 32.0 mm(7)
- 35.0 mm(1)
- 40.0 mm(7)
- 50.0 mm(3)
- 63.0 mm(3)
- 80.0 mm(3)
- 100.0 mm(3)
- 125.0 mm(3)
- 160.0 mm(3)
to
Cutting Length
Cutting Length
- 0.61 in(31)
- 0.6102 in(6)
to
Reach
Reach
- 1.2598 in(1)
- 1.26 in(1)
- 1.574 in(2)
- 1.575 in(10)
- 1.693 in(2)
- 1.696 in(1)
- 1.929 in(2)
- 1.968 in(5)
- 1.9685 in(2)
- 1.969 in(5)
- 2.48 in(3)
- 2.4803 in(3)
to
Reach
Reach
- 32.0 mm(2)
- 39.986 mm(2)
- 40.0 mm(10)
- 43.0 mm(2)
- 49.0 mm(2)
- 50.0 mm(12)
- 50.021 mm(1)
- 63.0 mm(6)
to
Connection Style
Connection Style
- A-Socket Head Cap Screw (11)
- B-Cutter Retention Screw (6)
- SHCS or RetScrw Or BoltCircle (3)
- Screw-On Connection (5)
- Straight-Cylindrical (8)
- Weldon (4)
Number of Flutes
Number of Flutes
- 11 (1)
- 12 (2)
- 16 (1)
- 2 (4)
- 3 (6)
- 4 (8)
- 5 (5)
- 6 (3)
- 7 (3)
- 8 (2)
- 9 (2)
Over All Length [L]
Over All Length [L]
- 1.574 in(2)
- 1.575 in(6)
- 1.968 in(3)
- 1.9685 in(2)
- 1.969 in(1)
- 2.126 in(1)
- 2.48 in(3)
- 2.4803 in(3)
- 2.539 in(4)
- 3.5039 in(1)
- 3.937 in(1)
- 4.331 in(2)
- 4.37 in(3)
- 6.693 in(1)
- 7.874 in(4)
to
Over All Length [L]
Over All Length [L]
- 39.986 mm(2)
- 40.0 mm(6)
- 50.0 mm(5)
- 50.021 mm(1)
- 54.0 mm(1)
- 63.0 mm(6)
- 64.5 mm(4)
- 89.0 mm(1)
- 100.0 mm(1)
- 110.0 mm(2)
- 111.0 mm(3)
- 170.0 mm(1)
- 200.0 mm(4)
to
Corner Radius
Corner Radius
- 0.016 in(37)
- 0.031 in(37)
- 0.047 in(37)
- 0.063 in(37)
- 0.064 in(37)
- 0.079 in(37)
to
Corner Radius
Corner Radius
- 0.4 mm(37)
- 0.8 mm(37)
- 1.2 mm(37)
- 1.6 mm(37)
- 1.625 mm(37)
- 2.0 mm(37)
to
Application
Grade Of Cutting Tool
Grade Of Cutting Tool
- KC422M (37)
- KC520M (37)
- KC522M (37)
- KC725M (37)
- KCK15 (37)
- KCK20B (37)
- KCPK30 (37)
- KCPM20 (37)
- KCPM40 (37)
- KCSM30 (37)
- KCSM40 (37)
Front-End
Neck Diameter
Neck Diameter
- 1.185 in(2)
- 1.24 in(4)
to
Neck Diameter
Neck Diameter
- 30.1 mm(2)
- 31.5 mm(4)
to
Back-End
Connection Type
Connection Type
- CYLINDRICAL (12)
- SCREW-ON (5)
- SHELL MILL (20)
Back-End Diameter
Back-End Diameter
- 16.0 mm(2)
- 21.0 mm(1)
- 22.0 mm(6)
- 25.0 mm(3)
- 27.0 mm(3)
- 29.0 mm(4)
- 32.0 mm(12)
- 40.0 mm(6)
to
Back-End Diameter
Back-End Diameter
- 0.63 in(2)
- 0.827 in(1)
- 0.8661 in(1)
- 0.867 in(4)
- 0.984 in(3)
- 1.063 in(1)
- 1.064 in(2)
- 1.1417 in(1)
- 1.142 in(3)
- 1.2598 in(2)
- 1.26 in(9)
- 1.5748 in(3)
- 1.575 in(2)
to
Other
Number of Inserts
Number of Inserts
- 2.0 (4)
- 3.0 (6)
- 4.0 (8)
- 5.0 (5)
- 6.0 (3)
- 7.0 (3)
- 8.0 (2)
- 9.0 (2)
- 11.0 (1)
- 12.0 (2)
- 16.0 (1)
to
Head Length [L2]
Head Length [L2]
- 1.2598 in(1)
- 1.26 in(1)
- 1.575 in(4)
- 1.693 in(2)
- 1.929 in(2)
- 1.968 in(2)
- 1.969 in(5)
to
Head Length [L2]
Head Length [L2]
- 32.0 mm(2)
- 40.0 mm(4)
- 43.0 mm(2)
- 49.0 mm(2)
- 50.0 mm(7)
to
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