Mill 4-15™ Shoulder Milling Inserts
For excellent surface quality and higher metal removal rates, the Mill 4-15 inserts are the perfect solution in 90-degree shoulder milling applications. These double-sided inserts provide up to 4 cutting edges and are engineered with a thick design supporting material near the cutting edge. These milling inserts offer superior wall and floor finish results even through multiple passes. The Mill 4-15 system eliminates that finishing pass with an additional tool, saving time and money. Mill 4-15 inserts can be applied to steel, stainless steels, ductile, cast irons, limited titanium material applications.
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Workpiece Material
Workpiece Material
- P Steel (74)
- P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(70)
- P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(70)
- P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(70)
- P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(70)
- P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(70)
- P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(74)
- P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(74)
- M Stainless Steel (63)
- M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(63)
- M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(63)
- M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(63)
- K Cast Iron (62)
- K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(62)
- K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(62)
- K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(62)
- N Non-Ferrous Materials (2)
- N1Wrought Aluminum (2)
- N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(2)
- N3High-Silicon Aluminum Alloys Si >12.2%(2)
- S High-Temp Alloys (56)
- S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(44)
- S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(44)
- S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(44)
- S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(56)
- H Hardened Materials (21)
- H1Hardened Materials 44-48 HRC(21)
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- BR (19)
- CN (54)
- DE (54)
- GB (26)
- IN (16)
- SG (32)
- US (43)
Corner Radius
Corner Radius
- 0.016 in(19)
- 0.031 in(28)
- 0.047 in(22)
- 0.063 in(15)
- 0.064 in(6)
- 0.079 in(8)
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Corner Radius
Corner Radius
- 0.4 mm(19)
- 0.8 mm(28)
- 1.201 mm(22)
- 1.6 mm(15)
- 1.625 mm(6)
- 2.0 mm(8)
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Application
Grade Of Cutting Tool
Grade Of Cutting Tool
- KC422M (2)
- KC520M (11)
- KC522M (11)
- KC725M (13)
- KCK15 (11)
- KCK20B (11)
- KCPK30 (12)
- KCPM20 (7)
- KCPM40 (12)
- KCSM30 (4)
- KCSM40 (4)
Insert Geometry
Cutting Edge Length
Cutting Edge Length
- 16.151 mm(19)
- 16.901 mm(27)
- 16.925 mm(5)
- 17.0 mm(47)
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Cutting Edge Length
Cutting Edge Length
- 0.636 in(19)
- 0.665 in(27)
- 0.666 in(5)
- 0.669 in(47)
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Chip Breaker CBMD
Chip Breaker CBMD
- GE (79)
- GEM (19)
Tolerance Class
Tolerance Class
- G (66)
- P (32)
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