Internal Machining

Machine internal threads with precision across several applications with our I.D. and O.D. turning tools. Whether you need internal machining inserts, vibration free boring systems or even steel or carbide boring bars, Kennametal offers one-stop shopping for all your metal cutting operations. If our catalog does not have the right tool for your job, our team can help you through the design and manufacturing process

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Workpiece Material
Workpiece Material
  • P Steel (1401)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (1400)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (1400)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (1400)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (1400)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (1400)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (1401)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (1401)
  • M Stainless Steel (1401)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (1401)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (1401)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (1401)
  • K Cast Iron (1407)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (1407)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (1405)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (1405)
  • N Non-Ferrous Materials (1389)
    • N1
      Wrought Aluminum (1387)
    • N2
      Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2% (1386)
    • N3
      High-Silicon Aluminum Alloys Si >12.2% (1064)
    • N4
      Copper, Brass, Zinc-based on machinability index range of 70-100 (1388)
    • N5
      Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (1386)
    • N6
      Carbon, Graphite Composites, CFRP (1386)
    • N7
      MMC's (1308)
  • S High-Temp Alloys (1409)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS (1407)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (1407)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS (1407)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS (1400)
  • H Hardened Materials (1165)
    • H1
      Hardened Materials 44-48 HRC (1165)
    • H2
      Hardened Materials 48-55 HRC (1158)
    • H3
      Hardened Materials 56-60 HRC (1158)
    • H4
      Hardened Materials >60 HRC (1034)
  • C CFRP Materials (1369)
    • C1
      CFRP, CFRP / CFRP (1369)
    • C2
      CFRP / Aluminium CFRP / Non-Ferrous (1291)
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  • BR (2)
  • CN (78)
  • DE (75)
  • GB (41)
  • IN (1)
  • SG (9)
  • US (71)
Applications
Applications
  • Back Boring Back Boring (87)
  • CRT Profiling CRT Profiling (55)
  • Chamfer Turning Chamfer Turning (94)
  • Facing Facing (283)
  • ID Facing ID Facing (209)
  • ID Grooving ID Grooving (11)
  • ID Thread Turning ID Thread Turning (12)
  • Multiple Direction Cutting Multiple Direction Cutting (1116)
  • Profiling Profiling (882)
  • TRN Boring TRN Boring (1041)
  • Threading Threading (1)
  • Turning Turning (189)
Type of Thread
Type of Thread
  • 55 (6)
  • 60 (16)
  • ACME (17)
  • API (13)
  • API BUTTRESS (2)
  • API RD (13)
  • BSPT (4)
  • BSW (14)
  • BUTTRESS (10)
  • M (14)
  • NPT (12)
  • NPTF (4)
  • RD DIN 405 (6)
  • STUB ACME (14)
  • TR DIN 103 (6)
  • UN (14)
  • UNJ (12)
Cutting Condition
Cutting Condition
  • Heavily Interrupted Cut (1266)
  • Interrupted (574)
  • Lightly Interrupted Cut (1400)
  • Smooth Cut (1400)
  • Varying Depth of Cut (1389)
Tool Cutting Edge Angle
Tool Cutting Edge Angle
  • 45.0 (21)
  • 60.0 (14)
  • 62.5 (13)
  • 75.0 (48)
  • 85.0 (7)
  • 90.0 (247)
  • 90.25 (10)
  • 91.0 (2)
  • 93.0 (315)
  • 95.0 (671)
  • 97.0 (8)
  • 107.5 (50)
  • 140.0 (4)
Tool Cutting Edge Angle Min to Tool Cutting Edge Angle Max
Connection Style
Connection Style
  • Bolt-On Head (206)
  • Boring Bar Shank (862)
  • KM (220)
Cutting Edges Per Insert
Cutting Edges Per Insert
  • 1.0 (1003)
  • 2.0 (914)
  • 3.0 (328)
  • 4.0 (665)
  • 6.0 (122)
  • 8.0 (298)
Cutting Edges Per Insert Min to Cutting Edges Per Insert Max
Internal Coolant Capability
Internal Coolant Capability
Over All Length [L]
Over All Length [L]
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Over All Length [L] Min to Over All Length [L] Max
Over All Length [L]
Over All Length [L]
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Over All Length [L] Min to Over All Length [L] Max
Corner configuration
Corner Radius
Corner Radius
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Corner Radius Min to Corner Radius Max
Corner Radius
Corner Radius
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Corner Radius Min to Corner Radius Max
Corner Chamfer
Corner Chamfer
  • 0.0 mm (120)
Corner Chamfer Min to Corner Chamfer Max
Corner Chamfer
Corner Chamfer
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Corner Chamfer Min to Corner Chamfer Max
Application
Minimum Depth of Cut
Minimum Depth of Cut
Minimum Feed
Minimum Feed
Grade Of Cutting Tool
Grade Of Cutting Tool
  • 13E (546)
  • 241 (207)
  • AC5 (26)
  • CG4 (23)
  • CG5 (37)
  • CG6 (12)