Mill 4-12KT™ Inch Carbide Milling Bodies
The Mill 4-12(KT) metric tangential shoulder milling cutters are a fantastic choice for steel and cast-iron roughing and finishing applications. They require up to 15% less horsepower, enabling increased feed rates even on 40 taper machines. With a depth-of-cut range up to .472" (12mm), the Mill 4-12KT can bring new versatility to your shoulder milling applications. The advanced insert/pocket interface ensures stability and consistent performance in difficult applications. Its proprietary designs offer minimal axial runout delivering excellent floor finish. Easy insert indexing through screw clamping.
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P Steel (20)
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P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (20)
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P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (20)
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P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (20)
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P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (20)
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P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (20)
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P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (20)
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P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (20)
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M Stainless Steel (20)
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M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (20)
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M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (20)
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M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (20)
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K Cast Iron (20)
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K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (20)
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K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (20)
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K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (20)
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S High-Temp Alloys (20)
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S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS (20)
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S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (20)
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S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS (20)
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S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS (20)
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H Hardened Materials (20)
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H1Hardened Materials 44-48 HRC (20)
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Face Milling (20)
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Shoulder Milling (20)
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Shoulder Roughing (14)
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Shoulder Square End (6)
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2.0 in (3)
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2.5 in (3)
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3.0 in (3)
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50.801 mm (3)
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63.5 mm (3)
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76.2 mm (3)
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101.601 mm (3)
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0.478 in (3)
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1.5 in (3)
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1.75 in (6)
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2.0 in (3)
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2.375 in (8)
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38.1 mm (3)
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44.45 mm (6)
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50.801 mm (3)
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60.325 mm (8)
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A-Socket Head Cap Screw (15)
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B-Cutter Retention Screw (3)
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C-Bolt Circle (2)
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1.5 in (3)
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2.375 in (8)
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38.1 mm (3)
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44.45 mm (6)
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50.801 mm (3)
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60.325 mm (8)
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0.016 in (20)
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0.4 mm (20)
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1.201 mm (20)
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1.55 mm (20)
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1.975 mm (20)
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2.375 mm (20)
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3.176 mm (20)
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KC522M (20)
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KC725M (20)
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KCK15 (20)
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KCK20 (20)
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KCK20B (20)
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KCPK30 (20)
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KCPM40 (20)
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KCSM40 (20)
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X00626 (20)
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0.008 (2)
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19.05 mm (3)
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25.401 mm (6)
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31.75 mm (3)
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38.1 mm (3)
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50.801 mm (3)
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63.5 mm (2)
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0.75 in (3)
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