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Precision Internal Turning

When it comes to the high accuracy and precision necessary to create small and micro components, TopSwiss MBS delivers a versatile offering you can count on for next level internal turning. Ideal for medical, aerospace, automotive and general engineering shops. 

TopSwiss MBS features:

  • Nearly 200 toolholders across three levels of precision: standard, premium and high performance
  • Exceptionally sharp cutting edges for best-in-class tool life and surface finishes
  • Five high-performance, material specific coatings for high-temp alloys, hardened materials, stainless steels, steel and composite materials
  • Universal coating designed for consistency across multiple materials

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    Key Filters
    Workpiece Material
    Workpiece Material
    • P Steel (844)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(844)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(844)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(844)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(844)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(844)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(844)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(844)
    • M Stainless Steel (844)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(844)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(844)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(844)
    • K Cast Iron (844)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(844)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(844)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(844)
    • N Non-Ferrous Materials (844)
      • N1
        Wrought Aluminum (844)
      • N2
        Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(844)
      • N3
        High-Silicon Aluminum Alloys Si >12.2%(844)
      • N4
        Copper, Brass, Zinc-based on machinability index range of 70-100 (844)
      • N5
        Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (844)
      • N6
        Carbon, Graphite Composites, CFRP (844)
    • S High-Temp Alloys (844)
      • S1
        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(844)
      • S2
        Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(844)
      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(844)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(844)
    • H Hardened Materials (844)
      • H1
        Hardened Materials 44-48 HRC(844)
      • H2
        Hardened Materials 48-55 HRC(844)
      • H3
        Hardened Materials 56-60 HRC(844)
      • H4
        Hardened Materials >60 HRC(844)
    Applications
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    • Back BoringBack Boring (19)
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    • 98.0 (284)
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    Connection Style
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    Over All Length [L]
    Over All Length [L]
    • 3.5433 in(16)
    • 5.1181 in(16)
    Over All Length [L] MintoOver All Length [L] Max
    Over All Length [L]
    Over All Length [L]
    • 90.0 mm(16)
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    Over All Length [L] MintoOver All Length [L] Max
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    Hand Of Tool
    • L (461)
    • R (462)
    F Dimension
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    • 0.0039 in(4)
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    • 6.0E-4 in(1)
    F Dimension MintoF Dimension Max
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    Minimum Axial Groove Diameter
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    • 0.0118 in(2)
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    • 0.7874 in(26)
    Minimum Axial Groove Diameter MintoMinimum Axial Groove Diameter Max
    Cutting Direction
    Cutting Direction
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    • S (286)
    Maximum Bore Depth
    Maximum Bore Depth
    • 0.0472 in(2)
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    • 0.0071 in(2)
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