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.
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P Steel (423)
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P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (423)
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P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (423)
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P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (423)
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P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (423)
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P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (423)
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P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (423)
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P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (423)
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M Stainless Steel (421)
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M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (421)
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M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (421)
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M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (421)
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K Cast Iron (373)
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K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (373)
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K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (373)
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K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (373)
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N Non-Ferrous Materials (409)
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N1Wrought Aluminum (409)
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N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2% (371)
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N3High-Silicon Aluminum Alloys Si >12.2% (78)
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N4Copper, Brass, Zinc-based on machinability index range of 70-100 (409)
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N5Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (371)
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N6Carbon, Graphite Composites, CFRP (371)
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S High-Temp Alloys (459)
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S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS (459)
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S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (459)
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S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS (459)
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S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS (459)
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H Hardened Materials (292)
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H1Hardened Materials 44-48 HRC (292)
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H2Hardened Materials 48-55 HRC (236)
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H3Hardened Materials 56-60 HRC (114)
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H4Hardened Materials >60 HRC (114)
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Face Grooving (505)
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Grooving (440)
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ID Facing (7)
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ID Grooving (286)
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ID Thread Turning (69)
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OD Thread Turning (127)
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Plunge Turning (224)
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Profiling (84)
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Threading (130)
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60 (187)
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NPT (78)
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STUB ACME (78)
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UN (182)
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UNJ (78)
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Heavily Interrupted Cut (368)
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Lightly Interrupted Cut (372)
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Smooth Cut (410)
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45.0 (12)
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Boring Bar Shank (63)
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Toolholder (90)
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0.075 in (6)
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0.078 in (8)
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0.1 in (7)
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0.115 in (18)
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0.15 in (23)
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TN-TOP NOTCH (308)
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2 (47)
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3 (181)
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4 (80)
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B H (114)
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B L (78)
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C N (114)
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D P (97)
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H T (182)
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H W (506)
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BORING BAR (63)
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BORING BAR HEAD (6)
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SQUARE SHANK (90)
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9.525 mm (1)
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10.0 mm (1)
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12.0 mm (3)
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12.701 mm (5)
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15.875 mm (5)
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16.0 mm (3)
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19.05 mm (4)
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20.0 mm (2)
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25.0 mm (4)
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25.401 mm (8)
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31.75 mm (3)
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32.0 mm (2)
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38.1 mm (4)
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40.0 mm (4)
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44.45 mm (3)
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50.0 mm (1)
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50.801 mm (8)
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57.151 mm (1)
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63.5 mm (7)
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0.375 in (1)
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0.394 in (1)
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0.473 in (3)
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0.5 in (5)
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0.625 in (5)
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0.63 in (3)
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0.75 in (4)
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0.787 in (2)
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0.984 in (4)
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1.0 in (8)
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1.25 in (3)
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1.26 in (2)
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1.5 in (4)
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1.575 in (4)
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1.75 in (3)
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1.969 in (1)
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2.0 in (8)
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2.25 in (1)
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2.5 in (7)
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0.375 in (4)
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0.394 in (3)
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0.5 in (6)
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0.606 in (1)
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0.63 in (4)
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0.75 in (10)
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0.787 in (6)
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0.939 in (1)
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0.984 in (8)
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1.0 in (18)
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1.214 in (2)
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1.25 in (12)
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1.26 in (7)
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1.5 in (4)
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1.53 in (4)
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1.848 in (1)
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9.525 mm (4)
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10.0 mm (3)
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12.0 mm (3)
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12.701 mm (6)
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15.4 mm (1)
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15.875 mm (5)
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19.05 mm (10)
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23.826 mm (1)
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25.0 mm (8)
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25.401 mm (18)
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30.826 mm (2)
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31.75 mm (12)
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32.0 mm (7)
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38.1 mm (4)
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38.825 mm (4)
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46.95 mm (1)
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0.375 in (4)
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0.394 in (3)
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0.473 in (3)
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0.5 in (6)
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0.625 in (5)
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0.63 in (4)
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0.75 in (10)
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0.787 in (6)
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0.864 in (1)
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0.984 in (11)
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1.0 in (18)
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1.141 in (2)
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1.25 in (12)
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1.26 in (4)
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1.455 in (4)
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1.848 in (1)
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9.525 mm (4)
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10.0 mm (3)
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12.0 mm (3)
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12.701 mm (6)
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15.875 mm (5)
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16.0 mm (4)
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19.05 mm (10)
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20.0 mm (6)
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21.951 mm (1)
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25.0 mm (11)
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25.401 mm (18)
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28.951 mm (2)
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31.75 mm (12)
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32.0 mm (4)
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36.95 mm (4)
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38.1 mm (4)
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46.95 mm (1)