Mill 4-11™ Shoulder Milling Inserts

Designed for smaller machining centers, the Mill 4-11 series of inserts accommodates 40-taper CAT and BT, HSK 50, and similarly-sized spindles. Due to its free-cutting capabilities, it is ideal for successful metal removal in less-than-rigid setups and on light-duty machine tools, multitaskers, and live-tool lathes. The Mill 4-11 strong insert design offers an 11 mm (0.433 in.) maximum cut length, addressing the needs of job shops and manufacturers. The inserts are also easy to use. Each insert is securely locked in place with a single M3 screw and marked with a series of dimples to indicate geometry and insert style.

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    • P Steel (40)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(35)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(35)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(35)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(35)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(35)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(40)
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        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(40)
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      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(30)
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        Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(2)
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        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(33)
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        Hardened Materials 44-48 HRC(10)
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