Counterboring Inserts

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Workpiece Material
Workpiece Material
  • P Steel (53)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (53)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (53)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (53)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (53)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (53)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (53)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (53)
  • M Stainless Steel (53)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (53)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (53)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (53)
  • K Cast Iron (75)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (75)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (75)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (75)
  • N Non-Ferrous Materials (25)
    • N1
      Wrought Aluminum (25)
    • N2
      Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2% (25)
    • N3
      High-Silicon Aluminum Alloys Si >12.2% (25)
    • N4
      Copper, Brass, Zinc-based on machinability index range of 70-100 (25)
    • N5
      Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (25)
    • N6
      Carbon, Graphite Composites, CFRP (25)
    • N7
      MMC's (25)
  • S High-Temp Alloys (52)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS (52)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (52)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS (52)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS (52)
  • H Hardened Materials (16)
    • H1
      Hardened Materials 44-48 HRC (16)
    • H2
      Hardened Materials 48-55 HRC (16)
    • H3
      Hardened Materials 56-60 HRC (16)
    • H4
      Hardened Materials >60 HRC (16)
Cutting Condition
Cutting Condition
  • Interrupted (10)
  • Stable (59)
  • Unstable (22)
Corner configuration
Corner Radius
Corner Radius
  • 0.008 in (3)
  • 0.016 in (34)
  • 0.024 in (4)
  • 0.031 in (15)
  • 0.039 in (6)
  • 0.047 in (6)
  • 0.063 in (5)
  • 0.079 in (3)
Corner Radius Min to Corner Radius Max
Corner Radius
Corner Radius
  • 0.2 mm (3)
  • 0.4 mm (34)
  • 0.601 mm (4)
  • 0.8 mm (15)
  • 1.0 mm (6)
  • 1.201 mm (6)
  • 1.6 mm (5)
  • 2.0 mm (3)
Corner Radius Min to Corner Radius Max
Application
Grade Of Cutting Tool
Grade Of Cutting Tool
  • CS5 (1)
  • KC7140 (4)
  • KC7215 (32)
  • KCPK10 (6)
  • KCU25 (13)
  • KCU40 (14)
  • KM1 (6)
Insert Geometry
Insert IC Size
Insert IC Size
  • 6.351 mm (13)
  • 7.926 mm (16)
  • 9.525 mm (20)
  • 12.701 mm (18)
  • 15.875 mm (9)
Insert IC Size Min to Insert IC Size Max
Insert IC Size
Insert IC Size
  • 0.25 in (13)
  • 0.312 in (16)
  • 0.375 in (20)
  • 0.5 in (18)
  • 0.625 in (9)
Insert IC Size Min to Insert IC Size Max
Cutting Edge Length
Cutting Edge Length
  • 6.351 mm (13)
  • 7.926 mm (16)
  • 9.525 mm (20)
  • 12.701 mm (27)
Cutting Edge Length Min to Cutting Edge Length Max
Cutting Edge Length
Cutting Edge Length
  • 0.25 in (13)
  • 0.312 in (16)
  • 0.375 in (20)
  • 0.5 in (27)
Cutting Edge Length Min to Cutting Edge Length Max
Chip Breaker CBMD
Chip Breaker CBMD
  • 20 (33)
  • 21 (30)
  • 22 (4)
Tolerance Class
Tolerance Class
  • H (12)
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