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
    Applications
    • Back BoringBack Boring (19)
    • Face GroovingFace Grooving (176)
    • FacingFacing (49)
    • ID FacingID Facing (437)
    • ID GroovingID Grooving (212)
    • ID Thread TurningID Thread Turning (128)
    • TRN BoringTRN Boring (453)
    • ThreadingThreading (128)
    • TurningTurning (49)
    Tool Cutting Edge Angle
    Tool Cutting Edge Angle
    • 0.0 (128)
    • 45.0 (16)
    • 90.0 (433)
    • 93.0 (19)
    • 96.0 (92)
    • 98.0 (284)
    Tool Cutting Edge Angle MintoTool Cutting Edge Angle Max
    Connection Style
    Connection Style
    • Boring Bar Shank (923)
    Internal Coolant Capability
    Internal Coolant Capability
    Over All Length [L]
    Over All Length [L]
    • 3.543 in(16)
    • 5.118 in(16)
    Over All Length [L] MintoOver All Length [L] Max
    Over All Length [L]
    Over All Length [L]
    • 90.0 mm(16)
    • 130.0 mm(16)
    Over All Length [L] MintoOver All Length [L] Max
    Corner configuration
    Corner Radius
    Corner Radius
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    • 0.039 in(18)
    • 0.049 in(10)
    • 0.06 in(10)
    Corner Radius MintoCorner Radius Max
    Corner Radius
    Corner Radius
    • 0.0 mm(48)
    • 0.025 mm(42)
    • 0.05 mm(119)
    • 0.1 mm(282)
    • 0.151 mm(114)
    • 0.2 mm(151)
    • 0.4 mm(14)
    • 0.5 mm(18)
    • 0.75 mm(6)
    • 0.775 mm(2)
    • 0.8 mm(10)
    • 1.0 mm(18)
    • 1.25 mm(10)
    • 1.5 mm(10)
    Corner Radius MintoCorner Radius Max
    Application
    Hand Of Tool
    Hand Of Tool
    • L (461)
    • R (462)
    F Dimension
    F Dimension
    • 0.025 mm(1)
    • 0.1 mm(4)
    • 0.151 mm(1)
    • 0.2 mm(18)
    • 0.301 mm(2)
    • 0.351 mm(4)
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    • 0.601 mm(42)
    • 0.675 mm(2)
    • 0.701 mm(19)
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    • 1.8 mm(16)
    • 1.901 mm(142)
    • 2.0 mm(12)
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    • 2.2 mm(70)
    • 2.301 mm(150)
    • 2.401 mm(48)
    • 2.5 mm(30)
    • 2.7 mm(4)
    • 2.801 mm(85)
    • 3.0 mm(14)
    • 3.301 mm(16)
    F Dimension MintoF Dimension Max
    F Dimension
    F Dimension
    • 0.001 in(1)
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    • 0.106 in(4)
    • 0.11 in(85)
    • 0.119 in(14)
    • 0.13 in(16)
    F Dimension MintoF Dimension Max
    Minimum Axial Groove Diameter
    Minimum Axial Groove Diameter
    • 0.301 mm(2)
    • 0.4 mm(2)
    • 0.5 mm(4)
    • 0.601 mm(4)
    • 0.701 mm(2)
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    • 2.801 mm(24)
    • 2.901 mm(8)
    • 3.0 mm(26)
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    • 3.7 mm(5)
    • 4.0 mm(112)
    • 4.7 mm(8)
    • 4.801 mm(2)
    • 5.0 mm(174)
    • 5.7 mm(10)
    • 6.0 mm(240)
    • 6.7 mm(8)
    • 6.801 mm(78)
    • 7.0 mm(25)
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    • 7.801 mm(16)
    • 8.0 mm(48)
    • 12.0 mm(8)
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    • 20.0 mm(26)
    Minimum Axial Groove Diameter MintoMinimum Axial Groove Diameter Max
    Minimum Axial Groove Diameter
    Minimum Axial Groove Diameter
    • 0.012 in(2)
    • 0.016 in(2)
    • 0.02 in(4)
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    Minimum Axial Groove Diameter MintoMinimum Axial Groove Diameter Max
    Cutting Direction
    Cutting Direction
    • E (176)
    • S (286)
    Maximum Bore Depth
    Maximum Bore Depth
    • 0.047 in(2)
    • 0.063 in(2)
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    • 2.323 in(2)
    Maximum Bore Depth MintoMaximum Bore Depth Max
    Maximum Bore Depth
    Maximum Bore Depth
    • 1.201 mm(2)
    • 1.6 mm(2)
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    • 59.0 mm(2)
    Maximum Bore Depth MintoMaximum Bore Depth Max
    Boring Bar Material
    Boring Bar Material
    • C (747)
    Front-End
    Cutting Width
    Cutting Width
    • 0.012 in(4)
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    • 0.039 in(94)
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    Cutting Width MintoCutting Width Max
    Cutting Width
    Cutting Width
    • 0.301 mm(4)
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    • 0.701 mm(6)
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    • 1.0 mm(94)
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    • 1.5 mm(56)
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    • 2.0 mm(82)
    • 2.401 mm(2)
    • 2.5 mm(30)
    • 3.0 mm(34)
    • 4.0 mm(12)
    • 5.0 mm(10)
    Cutting Width MintoCutting Width Max
    Insert Shape
    Insert Shape
    • KS_BB (15)
    • KS_BP_GA (135)
    • KS_BP_GB (20)
    • KS_BP_GC (21)
    • KS_BP_HM (57)
    • KS_BP_HP (80)
    • KS_BP_ML (37)
    • KS_MF_DB (49)
    Maximum Cutting Depth
    Maximum Cutting Depth
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    • 0.984 in(6)
    • 1.181 in(6)
    • 1.379 in(6)
    • 1.575 in(6)
    Maximum Cutting Depth MintoMaximum Cutting Depth Max
    Maximum Cutting Depth
    Maximum Cutting Depth
    • 0.2 mm(4)
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    • 0.601 mm(7)
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    • 6.0 mm(19)
    • 10.0 mm(8)
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    • 25.0 mm(6)
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    Maximum Cutting Depth MintoMaximum Cutting Depth Max
    Gage Length
    Gage Length
    • 1.307 in(1)
    • 1.504 in(1)
    • 2.953 in(11)
    • 3.248 in(16)
    • 3.543 in(14)
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    • 4.823 in(16)
    Gage Length
    Gage Length
    • 90 mm(14)
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    • 33.2 mm(1)
    • 38.2 mm(1)
    • 82.5 mm(16)
    • 122.5 mm(16)
    Minimum Groove Diameter
    Minimum Groove Diameter
    • 0.197 in(16)
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    • 0.315 in(48)
    • 0.473 in(8)
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    • 0.787 in(26)
    Minimum Groove Diameter MintoMinimum Groove Diameter Max
    Minimum Groove Diameter
    Minimum Groove Diameter
    • 5.0 mm(16)
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    Minimum Groove Diameter MintoMinimum Groove Diameter Max
    Back-End
    Connection Type
    Connection Type
    • BORING BAR (923)
    System Size
    System Size
    • PSC32 (1)
    • PSC40 (1)
    Back-End Diameter
    Back-End Diameter
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    • 15.875 mm(2)
    • 16.0 mm(20)
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    • 20.0 mm(22)
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    • 25.0 mm(21)
    • 25.401 mm(20)
    • 32.0 mm(1)
    • 40.0 mm(1)
    Back-End Diameter MintoBack-End Diameter Max
    Back-End Diameter
    Back-End Diameter
    • 0.157 in(313)
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    • 0.276 in(159)
    • 0.315 in(66)
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    • 0.5 in(1)
    • 0.625 in(2)
    • 0.63 in(20)
    • 0.75 in(19)
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    • 0.984 in(21)
    • 1.0 in(20)
    • 1.26 in(1)
    • 1.575 in(1)
    Back-End Diameter MintoBack-End Diameter Max
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