Top Notch™ Grooving

Kennametal Top Notch line of metalworking tools ensures you always achieve consistent and precise results throughout the long lifespans of our tungsten-carbide tool holders, boring bars, heads, cartridges and inserts. Kennametal grooving inserts are appropriate for a variety of steel, cast iron, alloys and non-ferrous metals. Top Notch grooving inserts are available in single- and double-ended configurations, giving you the flexibility to choose the optimal insert for each application.

Select Filters
Filters
View filters in
Metric
Inch
Key Filters
Workpiece Material
Workpiece Material
  • P Steel (424)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (424)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (424)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (424)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (424)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (424)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (424)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (424)
  • M Stainless Steel (422)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (422)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (422)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (422)
  • K Cast Iron (374)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (374)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (374)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (374)
  • N Non-Ferrous Materials (409)
    • N1
      Wrought Aluminum (409)
    • N2
      Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2% (372)
    • N3
      High-Silicon Aluminum Alloys Si >12.2% (195)
    • N4
      Copper, Brass, Zinc-based on machinability index range of 70-100 (409)
    • N5
      Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (372)
    • N6
      Carbon, Graphite Composites, CFRP (372)
    • N7
      MMC's (195)
  • S High-Temp Alloys (459)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS (459)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (459)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS (459)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS (459)
  • H Hardened Materials (292)
    • H1
      Hardened Materials 44-48 HRC (292)
    • H2
      Hardened Materials 48-55 HRC (228)
    • H3
      Hardened Materials 56-60 HRC (114)
    • H4
      Hardened Materials >60 HRC (114)
Applications
Applications
  • Face Grooving Face Grooving (505)
  • Grooving Grooving (440)
  • ID Facing ID Facing (7)
  • ID Grooving ID Grooving (286)
  • ID Thread Turning ID Thread Turning (69)
  • OD Thread Turning OD Thread Turning (127)
  • Plunge Turning Plunge Turning (224)
  • Profiling Profiling (84)
  • Threading Threading (130)
Type of Thread
Type of Thread
  • 60 (187)
  • ACME (122)
  • API (114)
  • API RD (86)
  • BSW (78)
  • BUTTRESS (182)
  • M (114)
  • NPT (78)
  • STUB ACME (78)
  • UN (182)
  • UNJ (78)
Cutting Condition
Cutting Condition
  • Heavily Interrupted Cut (374)
  • Lightly Interrupted Cut (378)
  • Smooth Cut (415)
  • Varying Depth of Cut (415)
Tool Cutting Edge Angle
Tool Cutting Edge Angle
  • 45.0 (12)
  • 90.0 (186)
Tool Cutting Edge Angle Min to Tool Cutting Edge Angle Max
Connection Style
Connection Style
  • Bolt-On Head (6)
  • Boring Bar Shank (63)
  • Toolholder (90)
Cutting Edges Per Insert
Cutting Edges Per Insert
  • 1.0 (216)
  • 2.0 (468)
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]
  • 1.625 in (6)
  • 2.165 in (1)
  • 2.192 in (1)
  • 2.5 in (4)
  • 2.757 in (2)
  • 3.15 in (2)
  • 3.5 in (4)
  • 3.938 in (4)
  • 4.0 in (3)
  • 4.5 in (16)
  • 4.921 in (11)
  • 5.0 in (16)
  • 5.906 in (21)
  • 6.0 in (39)
  • 6.694 in (10)
  • 7.0 in (2)
  • 7.079 in (2)
  • 7.875 in (4)
  • 7.976 in (1)
  • 8.0 in (5)
  • 9.843 in (2)
  • 9.879 in (1)
  • 10.0 in (8)
  • 11.811 in (4)
  • 12.0 in (8)
  • 13.781 in (1)
  • 14.0 in (10)
  • 16.0 in (10)
Over All Length [L] Min to Over All Length [L] Max
Over All Length [L]
Over All Length [L]
  • 41.276 mm (6)
  • 55.0 mm (1)
  • 55.676 mm (1)
  • 63.5 mm (4)
  • 70.0 mm (2)
  • 80.0 mm (2)
  • 88.9 mm (4)
  • 100.0 mm (4)
  • 101.601 mm (3)
  • 114.301 mm (16)
  • 125.0 mm (11)
  • 127.0 mm (16)
  • 150.0 mm (21)
  • 152.4 mm (39)
  • 170.0 mm (10)
  • 177.8 mm (2)
  • 179.8 mm (2)
  • 200.0 mm (4)
  • 202.601 mm (1)
  • 203.201 mm (5)
  • 250.0 mm (2)
  • 250.925 mm (1)
  • 254.0 mm (8)
  • 300.0 mm (4)
  • 304.8 mm (8)
  • 350.0 mm (1)
  • 355.6 mm (10)
  • 406.401 mm (10)
Over All Length [L] Min to Over All Length [L] Max
Corner configuration
Corner Radius
Corner Radius
  • 0.002 in (78)
  • 0.003 in (187)
  • 0.004 in (146)
  • 0.005 in (78)
  • 0.006 in (114)
  • 0.007 in (150)
  • 0.008 in (187)
  • 0.01 in (150)
  • 0.011 in (78)
  • 0.012 in (78)
  • 0.014 in (117)
  • 0.016 in (86)
  • 0.017 in (78)
  • 0.019 in (114)
  • 0.02 in (153)
  • 0.023 in (117)
  • 0.03 in (70)
  • 0.031 in (209)
  • 0.033 in (11)
  • 0.035 in (114)
  • 0.039 in (153)
  • 0.047 in (188)
  • 0.049 in (147)
  • 0.06 in (152)
  • 0.062 in (92)
  • 0.063 in (254)
  • 0.069 in (147)
  • 0.078 in (93)
  • 0.079 in (116)
  • 0.089 in (114)
  • 0.095 in (159)
  • 0.098 in (37)
  • 0.125 in (66)
Corner Radius Min to Corner Radius Max
Corner Radius
Corner Radius
  • 0.05 mm (78)
  • 0.076 mm (187)
  • 0.1 mm (146)
  • 0.125 mm (78)
  • 0.151 mm (114)
  • 0.176 mm (150)
  • 0.2 mm (187)
  • 0.225 mm (78)
  • 0.25 mm (150)
  • 0.275 mm (78)
  • 0.301 mm (78)
  • 0.325 mm (117)
  • 0.351 mm (114)
  • 0.4 mm (86)
  • 0.426 mm (78)
  • 0.45 mm (114)
  • 0.476 mm (40)
  • 0.5 mm (153)
  • 0.576 mm (117)
  • 0.75 mm (70)
  • 0.775 mm (209)
  • 0.826 mm (11)
  • 0.9 mm (114)
  • 1.0 mm (153)
  • 1.201 mm (188)
  • 1.25 mm (147)
  • 1.5 mm (152)
  • 1.576 mm (92)
  • 1.6 mm (254)
  • 1.75 mm (147)
  • 1.975 mm (93)
  • 2.0 mm (116)
  • 2.25 mm (114)
  • 2.401 mm (159)
  • 2.5 mm (37)
  • 3.176 mm (66)
Corner Radius Min to Corner Radius Max
Corner Chamfer
Corner Chamfer
  • 0.0 mm (310)
Corner Chamfer Min to Corner Chamfer Max
Corner Chamfer
Corner Chamfer
  • 0.0 in (310)
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
  • K1 (5)
  • K2885 (146)
  • K313 (192)
  • K420 (202)
  • K4H (110)
  • K68 (225)
  • KB1345 (114)
  • KB1630 (114)
  • KB5625 (78)
  • KBH20 (40)
  • KC250 (151)
  • KC5010 (246)
  • KC5025 (234)
  • KC5410 (182)
  • KC710 (182)
  • KC720 (187)
  • KC722 (182)
  • KC730 (245)
  • KC732 (78)
  • KC810 (198)
  • KC850 (234)
  • KC910 (110)
  • KC9110 (182)
  • KC9120 (78)
  • KC9320 (182)
  • KC935 (182)
  • KC950 (182)
  • KCK20 (148)
  • KCK20B (182)
  • KCP10B (182)
  • KCP25B (182)
  • KCU10 (241)
  • KCU25 (238)
  • KD050 (40)
  • KD081 (78)
  • KD100 (97)
  • KD120 (114)
  • KD1425 (78)
  • KT175 (146)
  • KT315 (182)
  • KU10T (182)
  • KU25T (182)
  • KU30T (182)
  • KY3000 (114)
Hand Of Tool
Hand Of Tool
  • L (67)
  • R (92)
Wiper Insert
Wiper Insert
  • N (504)
F Dimension
F Dimension
  • 6.551 mm (2)
  • 7.0 mm (2)
  • 9.525 mm (2)
  • 10.0 mm (1)
  • 10.3 mm (1)
  • 10.775 mm (1)
  • 10.976 mm (2)
  • 11.0 mm (4)
  • 11.101 mm (2)
  • 12.0 mm (1)
  • 12.576 mm (2)
  • 12.701 mm (6)
  • 13.0 mm (2)
  • 14.0 mm (2)
  • 14.15 mm (2)
  • 14.275 mm (4)
  • 15.875 mm (4)
  • 16.0 mm (4)
  • 16.25 mm (2)
  • 17.0 mm (4)
  • 17.35 mm (2)
  • 17.475 mm (4)
  • 19.05 mm (2)
  • 19.425 mm (1)
  • 20.0 mm (2)
  • 22.0 mm (2)
  • 22.225 mm (3)
  • 22.6 mm (2)
  • 25.0 mm (6)
  • 25.401 mm (11)
  • 27.0 mm (4)
  • 28.576 mm (1)
  • 31.75 mm (23)
  • 32.0 mm (11)
  • 32.525 mm (2)
  • 34.926 mm (4)
  • 35.0 mm (1)
  • 38.1 mm (16)
  • 40.0 mm (4)
  • 41.276 mm (4)
  • 50.801 mm (4)
F Dimension Min to F Dimension Max
F Dimension
F Dimension
  • 0.258 in (2)
  • 0.276 in (2)
  • 0.375 in (2)
  • 0.394 in (1)
  • 0.406 in (1)
  • 0.424 in (1)
  • 0.432 in (2)
  • 0.433 in (4)
  • 0.437 in (2)
  • 0.473 in (1)
  • 0.495 in (2)
  • 0.5 in (6)
  • 0.512 in (2)
  • 0.551 in (2)
  • 0.557 in (2)
  • 0.562 in (4)
  • 0.625 in (4)
  • 0.63 in (4)
  • 0.64 in (2)
  • 0.669 in (4)
  • 0.683 in (2)
  • 0.689 in (4)
  • 0.75 in (2)
  • 0.765 in (1)
  • 0.787 in (2)
  • 0.866 in (2)
  • 0.875 in (3)
  • 0.89 in (2)
  • 0.984 in (6)
  • 1.0 in (11)
  • 1.063 in (4)
  • 1.125 in (1)
  • 1.25 in (23)
  • 1.26 in (11)
  • 1.281 in (2)
  • 1.375 in (4)
  • 1.379 in (1)
  • 1.5 in (16)
  • 1.575 in (4)
  • 1.625 in (4)
  • 2.0 in (4)
F Dimension Min to F Dimension Max
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
  • 0.0 mm (88)
  • 11.175 mm (2)
  • 11.5 mm (2)
  • 18.5 mm (2)
  • 18.55 mm (4)
  • 20.326 mm (1)
  • 22.0 mm (3)
  • 25.401 mm (4)
  • 26.0 mm (2)
  • 28.576 mm (4)
  • 34.0 mm (4)
  • 34.926 mm (6)
  • 38.1 mm (4)
  • 41.301 mm (39)
  • 44.0 mm (2)
  • 44.45 mm (2)
  • 47.6 mm (39)
  • 50.0 mm (2)
  • 50.801 mm (2)
  • 54.0 mm (4)
  • 55.875 mm (3)
  • 56.625 mm (29)
  • 57.151 mm (6)
  • 57.2 mm (15)
  • 60.325 mm (4)
  • 63.5 mm (22)
  • 69.851 mm (4)
  • 70.0 mm (1)
  • 76.2 mm (8)
  • 82.551 mm (4)
  • 88.9 mm (117)
  • 127.0 mm (1)
  • 139.701 mm (220)
  • 146.05 mm (3)
  • 174.601 mm (39)
  • 209.601 mm (97)
  • 222.3 mm (15)
  • 333.0 mm (3)
Minimum Axial Groove Diameter Min to Minimum Axial Groove Diameter Max
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
  • 0.0 in (88)
  • 0.44 in (2)
  • 0.453 in (2)
  • 0.728 in (2)
  • 0.73 in (4)
  • 0.8 in (1)
  • 0.866 in (3)
  • 1.0 in (4)
  • 1.024 in (2)
  • 1.125 in (4)
  • 1.339 in (4)
  • 1.375 in (6)
  • 1.5 in (4)
  • 1.627 in (39)
  • 1.732 in (2)
  • 1.75 in (2)
  • 1.874 in (39)
  • 1.969 in (2)
  • 2.0 in (2)
  • 2.126 in (4)
  • 2.2 in (3)
  • 2.229 in (29)
  • 2.25 in (6)
  • 2.253 in (15)
  • 2.375 in (4)
  • 2.5 in (22)
  • 2.75 in (4)
  • 2.757 in (1)
  • 3.0 in (8)
  • 3.25 in (4)
  • 3.5 in (117)
  • 5.0 in (1)
  • 5.5 in (220)
  • 5.75 in (3)
  • 6.875 in (39)
  • 8.252 in (97)
  • 8.752 in (15)
  • 13.11 in (3)
Minimum Axial Groove Diameter Min to Minimum Axial Groove Diameter Max
Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
  • 393.661 in (501)
Maximum Axial Groove Diameter Min to Maximum Axial Groove Diameter Max
Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
  • 9999.0 mm (501)
Maximum Axial Groove Diameter Min to Maximum Axial Groove Diameter Max
Cutting Direction
Cutting Direction
  • E (87)
  • S (72)
Rake Angle Style
Rake Angle Style
  • NEUTRAL (ZERO) (159)
Maximum Bore Depth
Maximum Bore Depth
  • 1.0 in (10)
  • 1.23 in (1)
  • 1.232 in (1)
  • 1.291 in (1)
  • 1.5 in (1)
  • 1.891 in (2)
  • 2.0 in (25)
  • 2.499 in (1)
  • 2.5 in (2)
  • 2.52 in (2)
  • 3.0 in (4)
  • 3.15 in (2)
  • 3.75 in (2)
  • 3.781 in (1)
  • 3.938 in (4)
  • 4.0 in (6)
  • 4.5 in (2)
  • 5.0 in (3)
  • 5.039 in (2)
  • 6.0 in (6)
  • 6.299 in (4)
  • 7.0 in (3)
  • 7.875 in (1)
  • 8.0 in (8)
  • 9.0 in (1)
  • 10.0 in (7)
Maximum Bore Depth Min