Welcome
Please confirm your preferences
Update Preferences

Product Suggestions

Product Family suggestions

Contact a Kennametal Expert

Call (833) 893-1514

Call Now

Customer Support

Find customer support centers around the globe.

Quick Order
Item(s) successfully added to cart
View Cart
Get Cutting-Edge Deals on the Best Tools Learn More

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

Select Filters
Filters
Filters
View filters in
Metric
Inch
Key Filters
Workpiece Material
Workpiece Material
  • P Steel (1388)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (1387)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (1387)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (1387)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (1387)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (1387)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (1388)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (1388)
  • M Stainless Steel (1388)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (1388)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (1388)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (1388)
  • K Cast Iron (1384)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (1384)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (1382)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (1382)
  • N Non-Ferrous Materials (1310)
    • N1
      Wrought Aluminum (1300)
    • N2
      Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2% (1299)
    • N3
      High-Silicon Aluminum Alloys Si >12.2% (1051)
    • N4
      Copper, Brass, Zinc-based on machinability index range of 70-100 (1309)
    • N5
      Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (1299)
    • N6
      Carbon, Graphite Composites, CFRP (1205)
    • N7
      MMC's (1295)
  • S High-Temp Alloys (1396)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS (1394)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (1394)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS (1394)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS (1387)
  • H Hardened Materials (1152)
    • H1
      Hardened Materials 44-48 HRC (1152)
    • H2
      Hardened Materials 48-55 HRC (1145)
    • H3
      Hardened Materials 56-60 HRC (1145)
    • H4
      Hardened Materials >60 HRC (1021)
Select First Choice
  • 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 (1117)
  • Profiling Profiling (883)
  • TRN Boring TRN Boring (1042)
  • 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 (1253)
  • Interrupted (574)
  • Lightly Interrupted Cut (1374)
  • Smooth Cut (1387)
  • Varying Depth of Cut (1357)
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 (316)
  • 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 (863)
  • KM (220)
Cutting Edges Per Insert
Cutting Edges Per Insert
  • 1.0 (990)
  • 2.0 (915)
  • 3.0 (314)
  • 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]
  • 0.696 in (12)
  • 0.734 in (2)
  • 0.787 in (2)
  • 0.79 in (2)
  • 0.892 in (6)
  • 0.971 in (4)
  • 0.984 in (3)
  • 0.994 in (1)
  • 1.01 in (2)
  • 1.049 in (2)
  • 1.246 in (6)
  • 1.26 in (1)
  • 1.27 in (3)
  • 1.285 in (12)
  • 1.348 in (4)
  • 1.364 in (14)
  • 1.365 in (1)
  • 1.389 in (7)
  • 1.405 in (24)
  • 1.463 in (1)
  • 1.522 in (3)
  • 1.561 in (1)
  • 1.614 in (6)
  • 1.625 in (88)
  • 1.928 in (1)
  • 1.969 in (18)
  • 1.971 in (4)
  • 1.972 in (2)
  • 1.998 in (2)
  • 2.056 in (1)
  • 2.057 in (1)
  • 2.134 in (1)
  • 2.165 in (22)
  • 2.178 in (6)
  • 2.206 in (2)
  • 2.285 in (5)
  • 2.286 in (2)
  • 2.362 in (10)
  • 2.375 in (2)
  • 2.414 in (1)
  • 2.48 in (10)
  • 2.5 in (17)
  • 2.521 in (1)
  • 2.559 in (2)
  • 2.6 in (2)
  • 2.75 in (7)
  • 2.757 in (43)
  • 2.766 in (1)
  • 2.805 in (1)
  • 2.904 in (2)
  • 3.0 in (8)
  • 3.15 in (20)
  • 3.375 in (2)
  • 3.5 in (3)
  • 3.543 in (43)
  • 3.938 in (27)
  • 3.95 in (4)
  • 3.96 in (3)
  • 3.998 in (1)
  • 4.0 in (25)
  • 4.116 in (1)
  • 4.331 in (35)
  • 4.375 in (1)
  • 4.851 in (2)
  • 4.852 in (3)
  • 4.892 in (1)
  • 4.912 in (2)
  • 4.921 in (36)
  • 5.0 in (10)
  • 5.513 in (43)
  • 5.875 in (1)
  • 5.876 in (1)
  • 5.906 in (22)
  • 5.955 in (4)
  • 5.995 in (2)
  • 6.0 in (65)
  • 6.059 in (6)
  • 6.694 in (9)
  • 7.0 in (2)
  • 7.037 in (1)
  • 7.057 in (2)
  • 7.087 in (3)
  • 7.133 in (3)
  • 7.136 in (2)
  • 7.212 in (1)
  • 7.875 in (58)
  • 7.928 in (5)
  • 7.931 in (2)
  • 7.96 in (4)
  • 7.974 in (4)
  • 7.992 in (3)
  • 8.0 in (43)
  • 8.012 in (2)
  • 8.05 in (1)
  • 8.083 in (1)
  • 9.843 in (53)
  • 9.9 in (6)
  • 9.941 in (2)
  • 10.0 in (119)
  • 11.811 in (54)
  • 12.0 in (81)
  • 13.781 in (18)
  • 14.0 in (102)
  • 15.5 in (1)
  • 15.749 in (6)
  • 16.0 in (57)
  • 21.5 in (1)
Over All Length [L] Min to Over All Length [L] Max
Over All Length [L]
Over All Length [L]
  • 17.651 mm (12)
  • 18.651 mm (2)
  • 20.0 mm (2)
  • 20.076 mm (2)
  • 22.651 mm (6)
  • 24.651 mm (4)
  • 25.0 mm (3)
  • 25.25 mm (1)
  • 25.651 mm (2)
  • 26.651 mm (2)
  • 31.651 mm (6)
  • 32.0 mm (1)
  • 32.25 mm (3)
  • 32.65 mm (12)
  • 34.25 mm (4)
  • 34.65 mm (14)
  • 34.676 mm (1)
  • 35.25 mm (7)
  • 35.65 mm (24)
  • 37.15 mm (1)
  • 38.651 mm (3)
  • 39.651 mm (1)
  • 41.0 mm (6)
  • 41.276 mm (88)
  • 48.975 mm (1)
  • 50.0 mm (18)
  • 50.075 mm (4)
  • 50.1 mm (2)
  • 50.75 mm (2)
  • 52.225 mm (1)
  • 52.25 mm (1)
  • 54.2 mm (1)
  • 55.0 mm (22)
  • 55.325 mm (6)
  • 56.026 mm (2)
  • 58.051 mm (5)
  • 58.075 mm (2)
  • 60.0 mm (10)
  • 60.325 mm (2)
  • 61.325 mm (1)
  • 63.0 mm (10)
  • 63.5 mm (17)
  • 64.025 mm (1)
  • 65.0 mm (2)
  • 66.05 mm (2)
  • 69.851 mm (7)
  • 70.0 mm (43)
  • 70.25 mm (1)
  • 71.25 mm (1)
  • 73.75 mm (2)
  • 76.2 mm (8)
  • 80.0 mm (20)
  • 85.726 mm (2)
  • 88.9 mm (3)
  • 90.0 mm (43)
  • 100.0 mm (27)
  • 100.325 mm (4)
  • 100.575 mm (3)
  • 101.551 mm (1)
  • 101.601 mm (25)
  • 104.551 mm (1)
  • 110.0 mm (35)
  • 111.125 mm (1)
  • 123.2 mm (2)
  • 123.25 mm (3)
  • 124.25 mm (1)
  • 124.75 mm (2)
  • 125.0 mm (36)
  • 127.0 mm (10)
  • 140.0 mm (43)
  • 149.201 mm (1)
  • 149.25 mm (1)
  • 150.0 mm (22)
  • 151.25 mm (4)
  • 152.275 mm (2)
  • 152.4 mm (65)
  • 153.9 mm (6)
  • 170.0 mm (9)
  • 177.8 mm (2)
  • 178.75 mm (1)
  • 179.25 mm (2)
  • 180.0 mm (3)
  • 181.175 mm (3)
  • 181.25 mm (2)
  • 183.175 mm (1)
  • 200.0 mm (58)
  • 201.375 mm (5)
  • 201.451 mm (2)
  • 202.175 mm (4)
  • 202.55 mm (4)
  • 203.0 mm (3)
  • 203.201 mm (43)
  • 203.5 mm (2)
  • 204.476 mm (1)
  • 205.3 mm (1)
  • 250.0 mm (53)
  • 251.451 mm (6)
  • 252.5 mm (2)
  • 254.0 mm (119)
  • 300.0 mm (54)
  • 304.8 mm (81)
  • 350.0 mm (18)
  • 355.6 mm (102)
  • 393.701 mm (1)
  • 400.0 mm (6)
  • 406.401 mm (57)
  • 546.1 mm (1)
Over All Length [L] Min to Over All Length [L] Max
Corner configuration
Corner Radius
Corner Radius
  • 0.001 in (54)
  • 0.002 in (271)
  • 0.003 in (14)
  • 0.004 in (997)
  • 0.005 in (8)
  • 0.006 in (14)
  • 0.007 in (114)
  • 0.008 in (1050)
  • 0.01 in (10)
  • 0.011 in (8)
  • 0.012 in (10)
  • 0.014 in (48)
  • 0.015 in (104)
  • 0.016 in (1228)
  • 0.017 in (10)
  • 0.019 in (10)
  • 0.02 in (8)
  • 0.021 in (1)
  • 0.023 in (10)
  • 0.024 in (58)
  • 0.027 in (1)
  • 0.028 in (4)
  • 0.031 in (1257)
  • 0.033 in (1)
  • 0.035 in (10)
  • 0.037 in (2)
  • 0.039 in (9)
  • 0.047 in (940)
  • 0.049 in (8)
  • 0.06 in (8)
  • 0.062 in (215)
  • 0.063 in (630)
  • 0.069 in (8)
  • 0.078 in (8)
  • 0.079 in (10)
  • 0.089 in (10)
  • 0.094 in (138)
  • 0.095 in (162)
  • 0.098 in (2)
  • 0.119 in (1)
  • 0.125 in (18)
  • 0.126 in (70)
  • 0.157 in (6)
  • 0.197 in (1)
  • 0.25 in (3)
Corner Radius Min to Corner Radius Max
Corner Radius
Corner Radius
  • 0.025 mm (54)
  • 0.05 mm (271)
  • 0.076 mm (14)
  • 0.1 mm (997)
  • 0.125 mm (8)
  • 0.151 mm (14)
  • 0.176 mm (114)
  • 0.2 mm (1050)
  • 0.225 mm (8)
  • 0.25 mm (10)
  • 0.275 mm (8)
  • 0.301 mm (10)
  • 0.325 mm (10)
  • 0.351 mm (48)
  • 0.375 mm (104)
  • 0.4 mm (1228)
  • 0.426 mm (10)
  • 0.45 mm (10)
  • 0.476 mm (3)
  • 0.5 mm (8)
  • 0.525 mm (1)
  • 0.576 mm (10)
  • 0.601 mm (58)
  • 0.65 mm (1)
  • 0.701 mm (4)
  • 0.775 mm (28)
  • 0.8 mm (1229)
  • 0.826 mm (1)
  • 0.9 mm (10)
  • 0.925 mm (2)
  • 1.0 mm (9)
  • 1.201 mm (940)
  • 1.25 mm (8)
  • 1.5 mm (8)
  • 1.576 mm (215)
  • 1.6 mm (630)
  • 1.75 mm (8)
  • 1.975 mm (8)
  • 2.0 mm (10)
  • 2.25 mm (10)
  • 2.375 mm (138)
  • 2.401 mm (162)
  • 2.5 mm (2)
  • 3.0 mm (1)
  • 3.176 mm (18)
  • 3.2 mm (70)
  • 4.0 mm (6)
  • 5.0 mm (1)
  • 6.351 mm (3)
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
  • 0.0 in (120)
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 (23)
  • CG6 (3)
  • CL4 (328)
  • CM1 (23)
  • CM2 (531)
  • CM3 (390)
  • CM4 (331)
  • CM5 (36)
  • CPX (484)
  • CW2 (282)
  • CW2015 (110)
  • CW5025 (131)
  • GH1 (34)
  • GH2 (1)
  • GX (310)
  • HCK10 (4)
  • HK1500 (97)
  • HK35 (4)
  • HT2 (442)
  • HTX (404)
  • HWK15 (4)
  • K00331 (4)