Top Notch™ Grooving
Kennametal’s 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. This platform features grooving inserts suited for a variety of steel, cast iron, alloys and non-ferrous metals applications and available in single- and double-ended configurations so you have the flexibility to choose the optimal insert for your unique projects.
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Workpiece Material
- Steel (375)
- Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(375)
- Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(375)
- Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(375)
- Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(375)
- Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(375)
- Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(375)
- High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(375)
- Stainless Steel (373)
- Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(373)
- High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(373)
- Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(373)
- Cast Iron (375)
- Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(375)
- Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(375)
- High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(375)
- Non-Ferrous Materials (410)
- Wrought Aluminum (410)
- Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(373)
- High-Silicon Aluminum Alloys Si >12.2%(196)
- Copper, Brass, Zinc-based on machinability index range of 70-100 (410)
- Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (373)
- Carbon, Graphite Composites, CFRP (373)
- MMC's (196)
- High-Temp Alloys (410)
- Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(410)
- Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(410)
- Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(410)
- Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(410)
- Hardened Materials (293)
- Hardened Materials 44-48 HRC(293)
- Hardened Materials 48-55 HRC(229)
- Hardened Materials 56-60 HRC(115)
- Hardened Materials >60 HRC(115)
Applications
(506)
(440)
(7)
(287)
(70)
(127)
(224)
(84)
Type of Thread
- (188)
- (123)
- (115)
- (87)
- (79)
- (183)
- (115)
- (79)
- (79)
- (183)
- (79)
Cutting Condition Material
- (332)
- (375)
- (373)
- (410)
- (379)
- (410)
Cutting Condition
- (375)
- (379)
- (416)
Tool Cutting Edge Angle
to
Connection Style
- (7)
- (63)
- (90)
Corner Radius
- (79)
- (188)
- (147)
- (79)
- (115)
- (151)
- (188)
- (79)
- (151)
- (79)
- (79)
- (118)
- (115)
- (87)
- (79)
- (115)
- (40)
- (154)
- (118)
- (70)
- (210)
- (11)
- (115)
- (154)
- (189)
- (148)
- (153)
- (93)
- (255)
- (148)
- (94)
- (117)
- (115)
- (160)
- (37)
- (66)
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Corner Radius
- (79)
- (188)
- (147)
- (79)
- (115)
- (151)
- (188)
- (79)
- (151)
- (79)
- (79)
- (118)
- (115)
- (87)
- (79)
- (115)
- (40)
- (154)
- (118)
- (70)
- (210)
- (11)
- (115)
- (154)
- (189)
- (148)
- (153)
- (93)
- (255)
- (148)
- (94)
- (117)
- (115)
- (160)
- (37)
- (66)
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Corner Chamfer
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Corner Chamfer
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Application
Minimum Depth of Cut
Minimum Depth of Cut
Minimum Feed
Minimum Feed
Grade Of Cutting Tool
- (5)
- (147)
- (193)
- (203)
- (111)
- (226)
- (115)
- (115)
- (79)
- (40)
- (152)
- (247)
- (235)
- (183)
- (183)
- (188)
- (183)
- (246)
- (79)
- (199)
- (235)
- (111)
- (183)
- (79)
- (183)
- (183)
- (183)
- (149)
- (183)
- (183)
- (183)
- (242)
- (239)
- (40)
- (79)
- (98)
- (115)
- (79)
- (147)
- (183)
- (183)
- (183)
- (183)
- (115)
Hand Of Tool
- (67)
- (93)
Wiper Insert
- (505)
Drilling Condition Material
- (133)
- (176)
- (174)
- (211)
- (180)
- (211)
F Dimension
- 6.553 (2)
- 7.0 (2)
- 9.52 (2)
- 10.0 (1)
- 10.312 (1)
- 10.785 (1)
- 10.973 (2)
- 11.0 (4)
- 11.1 (2)
- 12.0 (1)
- 12.573 (2)
- 12.7 (6)
- 13.0 (2)
- 14.0 (2)
- 14.148 (2)
- 14.27 (1)
- 14.275 (3)
- 15.875 (2)
- 15.88 (2)
- 16.0 (4)
- 16.256 (2)
- 17.0 (4)
- 17.348 (2)
- 17.475 (2)
- 17.48 (2)
- 19.05 (2)
- 19.431 (1)
- 20.0 (2)
- 22.0 (2)
- 22.225 (3)
- 22.61 (2)
- 25.0 (6)
- 25.4 (11)
- 27.0 (4)
- 28.575 (1)
- 31.75 (24)
- 32.0 (11)
- 32.537 (2)
- 34.925 (4)
- 35.0 (1)
- 38.1 (16)
- 40.0 (4)
- 41.275 (4)
- 50.8 (4)
to
F Dimension
- 0.258 (2)
- 0.276 (2)
- 0.375 (2)
- 0.394 (1)
- 0.406 (1)
- 0.4281 (1)
- 0.432 (2)
- 0.433 (4)
- 0.437 (2)
- 0.472 (1)
- 0.495 (2)
- 0.5 (6)
- 0.512 (2)
- 0.551 (2)
- 0.557 (2)
- 0.562 (4)
- 0.625 (4)
- 0.63 (4)
- 0.64 (2)
- 0.669 (4)
- 0.683 (2)
- 0.688 (4)
- 0.75 (2)
- 0.765 (1)
- 0.787 (2)
- 0.8661 (2)
- 0.875 (3)
- 0.89 (2)
- 0.984 (6)
- 1.0 (11)
- 1.063 (4)
- 1.125 (1)
- 1.25 (24)
- 1.2598 (2)
- 1.26 (9)
- 1.281 (2)
- 1.375 (4)
- 1.378 (1)
- 1.5 (16)
- 1.575 (4)
- 1.625 (4)
- 2.0 (4)
to
Minimum Axial Groove Diameter
- 0.0 (88)
- 11.176 (1)
- 11.18 (1)
- 11.5 (2)
- 18.5 (2)
- 18.542 (4)
- 20.32 (1)
- 22.0 (3)
- 25.4 (4)
- 26.0 (2)
- 28.575 (3)
- 28.58 (1)
- 34.0 (4)
- 34.92 (2)
- 34.925 (4)
- 38.1 (4)
- 41.3 (39)
- 44.0 (2)
- 44.45 (2)
- 47.6 (39)
- 50.0 (2)
- 50.8 (2)
- 54.0 (4)
- 55.88 (3)
- 56.625 (29)
- 57.15 (6)
- 57.2 (15)
- 60.325 (4)
- 63.5 (23)
- 69.85 (4)
- 70.0 (1)
- 76.2 (8)
- 82.55 (4)
- 88.9 (117)
- 127.0 (1)
- 139.7 (220)
- 146.05 (3)
- 174.6 (39)
- 209.6 (97)
- 222.3 (15)
- 333.0 (3)
to
Minimum Axial Groove Diameter
- 0.0 (88)
- 0.44 (2)
- 0.453 (2)
- 0.728 (2)
- 0.73 (4)
- 0.8 (1)
- 0.866 (2)
- 0.8661 (1)
- 1.0 (4)
- 1.024 (2)
- 1.125 (4)
- 1.339 (4)
- 1.375 (6)
- 1.5 (4)
- 1.626 (39)
- 1.7323 (2)
- 1.75 (2)
- 1.874 (39)
- 1.9685 (2)
- 2.0 (2)
- 2.126 (4)
- 2.2 (3)
- 2.229 (29)
- 2.25 (6)
- 2.252 (15)
- 2.375 (4)
- 2.5 (23)
- 2.75 (4)
- 2.7559 (1)
- 3.0 (8)
- 3.25 (4)
- 3.5 (117)
- 5.0 (1)
- 5.5 (220)
- 5.75 (3)
- 6.874 (39)
- 8.252 (97)
- 8.752 (15)
- 13.11 (3)
to
Maximum Axial Groove Diameter
to
Maximum Axial Groove Diameter
to
Cutting Direction
- (87)
- (73)
Rake Angle Style
- (160)
Boring Bar Material
- (9)
- (61)
Front-End
Clamp Style
- (198)
Cutting Width
- 0.5 (68)
- 0.787 (73)
- 0.8 (68)
- 0.889 (68)
- 0.991 (68)
- 1.0 (154)
- 1.041 (68)
- 1.19 (107)
- 1.194 (152)
- 1.199 (36)
- 1.2 (147)
- 1.39 (68)
- 1.397 (68)
- 1.4 (68)
- 1.473 (68)
- 1.5 (149)
- 1.56 (36)
- 1.57 (115)
- 1.575 (211)
- 1.69 (68)
- 1.7 (68)
- 1.702 (68)
- 1.75 (147)
- 1.829 (79)
- 1.94 (68)
- 1.95 (68)
- 1.956 (68)
- 1.981 (79)
- 2.0 (154)
- 2.007 (68)
- 2.2 (147)
- 2.235 (147)
- 2.24 (108)
- 2.25 (107)
- 2.388 (189)
- 2.39 (44)
- 2.464 (79)
- 2.5 (148)
- 2.667 (79)
- 2.74 (68)
- 2.743 (147)
- 2.75 (147)
- 2.794 (79)
- 2.997 (147)
- 3.0 (189)
- 3.099 (79)
- 3.17 (93)
- 3.175 (249)
- 3.18 (57)
- 3.2 (183)
- 3.245 (68)
- 3.25 (79)
- 3.251 (147)
- 3.27 (68)
- 3.32 (40)
- 3.329 (40)
- 3.5 (184)
- 3.607 (79)
- 3.73 (36)
- 3.81 (68)
- 3.84 (68)
- 3.96 (82)
- 3.962 (87)
- 3.974 (44)
- 3.988 (79)
- 4.0 (117)
- 4.242 (115)
- 4.25 (79)
- 4.3 (79)
- 4.5 (115)
- 4.521 (79)
- 4.6 (40)
- 4.699 (96)
- 4.775 (147)
- 4.78 (21)
- 4.785 (21)
- 4.788 (24)
- 4.8 (79)
- 4.801 (115)
- 4.81 (79)
- 4.88 (40)
- 4.9 (40)
- 4.95 (79)
- 5.0 (37)
- 5.004 (39)
- 5.131 (36)
- 5.41 (36)
- 5.5 (36)
- 5.537 (8)
- 5.563 (36)
- 6.0 (39)
- 6.35 (74)
- 6.36 (22)
- 6.48 (36)
- 7.01 (3)
- 7.137 (11)
- 7.925 (11)
- 8.001 (2)
- 8.738 (3)
- 8.992 (3)
- 9.525 (11)
- 9.65 (3)
- 9.73 (8)
to
Cutting Width
- 0.0197 (68)
- 0.031 (73)
- 0.0315 (68)
- 0.035 (68)
- 0.039 (68)
- 0.0394 (154)
- 0.041 (68)
- 0.047 (152)
- 0.0472 (147)
- 0.055 (68)
- 0.0551 (68)
- 0.058 (68)
- 0.0591 (149)
- 0.062 (215)
- 0.0669 (68)
- 0.067 (68)
- 0.0689 (147)
- 0.072 (79)
- 0.076 (68)
- 0.0768 (68)
- 0.077 (68)
- 0.078 (79)
- 0.0787 (154)
- 0.079 (108)
- 0.0866 (147)
- 0.088 (147)
- 0.0886 (107)
- 0.094 (194)
- 0.097 (79)
- 0.0984 (148)
- 0.105 (79)
- 0.108 (147)
- 0.1083 (147)
- 0.11 (79)
- 0.118 (147)
- 0.1181 (189)
- 0.122 (79)
- 0.125 (269)
- 0.126 (183)
- 0.1278 (68)
- 0.128 (147)
- 0.129 (68)
- 0.131 (40)
- 0.1378 (184)
- 0.142 (79)
- 0.147 (36)
- 0.15 (68)
- 0.151 (68)
- 0.156 (94)
- 0.157 (79)
- 0.1574 (117)
- 0.1575 (115)
- 0.167 (115)
- 0.1673 (79)
- 0.169 (79)
- 0.1771 (115)
- 0.1772 (115)
- 0.178 (79)
- 0.185 (96)
- 0.188 (160)
- 0.189 (115)
- 0.192 (40)
- 0.193 (40)
- 0.195 (79)
- 0.1969 (37)
- 0.197 (39)
- 0.202 (36)
- 0.213 (36)
- 0.2165 (36)
- 0.2166 (19)
- 0.218 (8)
- 0.219 (36)
- 0.2362 (39)
- 0.25 (77)
- 0.255 (36)
- 0.276 (3)
- 0.281 (11)
- 0.312 (11)
- 0.315 (2)
- 0.344 (3)
- 0.354 (3)
- 0.375 (11)
- 0.38 (3)
- 0.383 (8)
- 1.93 (40)
to
Insert Size
- (5)
- (41)
- (43)
- (16)
- (2)
Maximum Cutting Insert Depth
to
Insert Geometry
Shape
- (308)
Insert Seat Size
- (47)
- (181)
- (80)
Cutting Tool Material
- (115)
- (79)
- (115)
- (98)
- (183)
- (507)
Back-End
Connection Type
- (63)
- (7)
- (90)
