Top Notch™ Inserts
If you are tired of downtime and tool damage, it is time to upgrade to Kennametal Top Notch inserts. These grooving and cut-off inserts are designed to increase stability in rapid-feed applications. Available in various styles, Kennametal Top Notch grooving inserts resist wear and tear, giving you accurate and consistent cuts with all workpiece materials.
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P Steel (226)
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P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (226)
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P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (226)
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P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (226)
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P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (226)
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P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (226)
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P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (226)
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P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (226)
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M Stainless Steel (224)
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M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (224)
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M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (224)
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M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (224)
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K Cast Iron (176)
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K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (176)
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K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (176)
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K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (176)
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N Non-Ferrous Materials (211)
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N1Wrought Aluminum (211)
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N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2% (174)
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N4Copper, Brass, Zinc-based on machinability index range of 70-100 (211)
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N5Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (174)
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N6Carbon, Graphite Composites, CFRP (174)
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S High-Temp Alloys (261)
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S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS (261)
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S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (261)
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S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS (261)
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S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS (261)
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H Hardened Materials (97)
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H1Hardened Materials 44-48 HRC (97)
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H2Hardened Materials 48-55 HRC (46)
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Face Grooving (308)
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Grooving (308)
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ID Grooving (224)
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Plunge Turning (224)
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Profiling (84)
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Heavily Interrupted Cut (176)
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Lightly Interrupted Cut (180)
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Smooth Cut (217)
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0.06 in (6)
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0.062 in (14)
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0.063 in (72)
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0.069 in (1)
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0.078 in (15)
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0.079 in (2)
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0.095 in (45)
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0.098 in (1)
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0.125 in (30)
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0.5 mm (7)
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0.75 mm (2)
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0.775 mm (63)
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1.0 mm (7)
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1.201 mm (42)
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1.25 mm (1)
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1.5 mm (6)
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1.576 mm (14)
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1.6 mm (72)
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1.75 mm (1)
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1.975 mm (15)
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2.0 mm (2)
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2.401 mm (45)
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2.5 mm (1)
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3.176 mm (30)
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K313 (10)
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K420 (4)
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K68 (27)
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KC5010 (51)
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KC5025 (36)
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KC730 (50)
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KC850 (41)
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KCK20 (2)
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KCU10 (46)
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KCU25 (41)
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88.9 mm (47)
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139.701 mm (181)
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209.601 mm (80)
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3.5 in (47)
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5.5 in (181)
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8.252 in (80)
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0.039 in (7)
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0.06 in (2)
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0.062 in (63)
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0.079 in (7)
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0.095 in (42)
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0.119 in (6)
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0.125 in (86)
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0.189 in (5)
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0.197 in (1)
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0.25 in (30)
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1.0 mm (7)
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1.5 mm (2)
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1.576 mm (63)
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2.0 mm (7)
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2.401 mm (42)
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2.5 mm (1)
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3.0 mm (6)
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3.176 mm (86)
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3.5 mm (1)
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3.95 mm (11)
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3.975 mm (4)
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4.0 mm (2)
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4.775 mm (40)
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4.801 mm (5)
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5.0 mm (1)
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6.351 mm (30)
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1.901 mm (6)
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1.975 mm (8)
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2.551 mm (7)
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2.926 mm (18)
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3.801 mm (23)
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0.075 in (6)
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0.078 in (8)
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0.115 in (18)
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0.15 in (23)
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2 (47)
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3 (181)
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4 (80)