Top Notch™ Profiling
Top Notch™ profiling inserts and toolholders stand out as the top choice for high-production profiling applications, catering to the demands of precision machining. Kennametal’s Top Notch system provides consistent tool performance, accurate indexing, and superior clamping to provide excellent surface finishing and superior tool life. The precision-ground inserts guarantee high precision indexing and lower cutting forces. The inserts are stable against alternating cutting force directions, compared with customary clamping methods and the second cutting edge is well protected against chip hammering. Whether you're working with metals, plastics, or composites, these inserts and holders prove to be a versatile solution.
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Workpiece Material
Workpiece Material
- P Steel (371)
- P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(371)
- P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(371)
- P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(371)
- P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(371)
- P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(371)
- P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(371)
- P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(371)
- M Stainless Steel (317)
- M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(317)
- M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(317)
- M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(317)
- K Cast Iron (244)
- K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(244)
- K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(244)
- K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(244)
- N Non-Ferrous Materials (216)
- N1Wrought Aluminum (186)
- N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(181)
- N3High-Silicon Aluminum Alloys Si >12.2%(101)
- N4Copper, Brass, Zinc-based on machinability index range of 70-100 (216)
- N5Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (195)
- N6Carbon, Graphite Composites, CFRP (170)
- N7MMC's (93)
- S High-Temp Alloys (319)
- S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(319)
- S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(319)
- S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(319)
- S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(302)
- H Hardened Materials (52)
- H1Hardened Materials 44-48 HRC(52)
- H2Hardened Materials 48-55 HRC(45)
- C CFRP Materials (159)
- C1CFRP, CFRP / CFRP (148)
- C2CFRP / Aluminium CFRP / Non-Ferrous (93)
Applications
Applications
Face Grooving (63)
Facing (6)
ID Facing (6)
Multiple Direction Cutting (100)
Profiling (6)
TRN Boring (6)
Turning (6)
Cutting Condition
Cutting Condition
- Heavily Interrupted Cut (87)
- Lightly Interrupted Cut (145)
- Smooth Cut (215)
Tool Cutting Edge Angle
Tool Cutting Edge Angle
- 62.5 (2)
- 72.5 (2)
- 93.0 (1)
- 95.0 (77)
- 100.0 (1)
- 107.5 (9)
- 117.5 (8)
to
Connection Style
Connection Style
- Bolt-On Head (2)
- Boring Bar Shank (42)
- Toolholder (56)
Over All Length [L]
Over All Length [L]
- 0.75 in(2)
- 3.15 in(1)
- 3.5 in(2)
- 3.938 in(2)
- 4.0 in(2)
- 4.5 in(10)
- 4.921 in(10)
- 5.0 in(4)
- 5.906 in(15)
- 6.0 in(12)
- 6.694 in(2)
- 7.087 in(2)
- 7.263 in(2)
- 7.875 in(2)
- 8.0 in(2)
- 8.055 in(1)
- 8.132 in(2)
- 8.15 in(1)
- 9.843 in(4)
- 10.0 in(7)
- 10.063 in(2)
- 10.095 in(2)
- 11.811 in(2)
- 12.0 in(5)
- 13.781 in(1)
- 14.0 in(2)
- 14.07 in(1)
to
Over All Length [L]
Over All Length [L]
- 19.05 mm(2)
- 80.0 mm(1)
- 88.9 mm(2)
- 100.0 mm(2)
- 101.601 mm(2)
- 114.301 mm(10)
- 125.0 mm(10)
- 127.0 mm(4)
- 150.0 mm(15)
- 152.4 mm(12)
- 170.0 mm(2)
- 180.0 mm(2)
- 184.451 mm(2)
- 200.0 mm(2)
- 203.201 mm(2)
- 204.601 mm(1)
- 206.55 mm(2)
- 207.0 mm(1)
- 250.0 mm(4)
- 254.0 mm(7)
- 255.601 mm(2)
- 256.401 mm(2)
- 300.0 mm(2)
- 304.8 mm(5)
- 350.0 mm(1)
- 355.6 mm(2)
- 357.375 mm(1)
to
Corner Radius
Corner Radius
- 0.005 in(81)
- 0.008 in(128)
- 0.016 in(221)
- 0.02 in(88)
- 0.031 in(204)
- 0.039 in(68)
- 0.047 in(46)
- 0.063 in(34)
to
Corner Radius
Corner Radius
- 0.125 mm(81)
- 0.2 mm(128)
- 0.4 mm(221)
- 0.5 mm(88)
- 0.8 mm(204)
- 1.0 mm(68)
- 1.201 mm(46)
- 1.6 mm(34)
to
Corner Chamfer
Corner Chamfer
- 0.0 mm(337)
to
Corner Chamfer
Corner Chamfer
- 0.0 in(337)
to
Application
Minimum Depth of Cut
Minimum Depth of Cut
Minimum Feed
Minimum Feed
Grade Of Cutting Tool
Grade Of Cutting Tool
- K00326 (29)
- K313 (105)
- K420 (60)
- K6 (4)
- K68 (116)
- K8735 (29)
- KB1345 (25)
- KC250 (82)
- KC5010 (129)
- KC5025 (113)
- KC5410 (91)
- KC720 (29)
- KC730 (113)
- KC7310 (87)
- KC732 (94)
- KC8050 (100)
- KC810 (100)
- KC850 (119)
- KC9025 (94)
- KC910 (89)
- KC9105 (62)
- KC9110 (100)
- KC9120 (34)
- KC9125 (100)
- KC9225 (100)
- KC9315 (89)
- KC935 (94)
- KC950 (94)
- KCD25 (29)
- KCK05 (37)
- KCK15B (31)
- KCM15B (59)
- KCM25 (100)
- KCM25B (5)
- KCP05 (93)
- KCP10 (106)
- KCP10B (89)
- KCP25 (106)
- KCP25B (95)
- KCP25C (132)
- KCS10B (33)
- KCU10 (134)
- KCU10B (144)
- KCU25 (127)
- KCU25B (95)
- KD050 (82)
- KD081 (29)
- KD100 (94)
- KD120 (86)
- KD1425 (101)
- KS15 (29)
- KT125 (82)
- KT150 (87)
- KT175 (53)
- KT315 (111)
Hand Of Tool
Hand Of Tool
- L (41)
- N (4)
- R (55)
F Dimension
F Dimension
- 8.875 mm(2)
- 9.0 mm(2)
- 9.4 mm(2)
- 9.525 mm(4)
- 10.875 mm(1)
- 11.0 mm(2)
- 12.5 mm(1)
- 12.576 mm(4)
- 12.625 mm(1)
- 12.701 mm(3)
- 13.0 mm(2)
- 14.275 mm(6)
- 15.875 mm(2)
- 16.0 mm(3)
- 17.0 mm(1)
- 18.925 mm(2)
- 19.05 mm(7)
- 19.425 mm(1)
- 20.0 mm(2)
- 22.0 mm(4)
- 25.0 mm(8)
- 25.401 mm(8)
- 27.0 mm(1)
- 28.451 mm(1)
- 28.576 mm(2)
- 31.75 mm(9)
- 32.0 mm(14)
- 35.0 mm(1)
- 38.1 mm(2)
- 50.801 mm(2)
to
F Dimension
F Dimension
- 0.35 in(2)
- 0.354 in(2)
- 0.37 in(2)
- 0.375 in(4)
- 0.428 in(1)
- 0.433 in(2)
- 0.492 in(1)
- 0.495 in(4)
- 0.497 in(1)
- 0.5 in(3)
- 0.512 in(2)
- 0.562 in(6)
- 0.625 in(2)
- 0.63 in(3)
- 0.669 in(1)
- 0.745 in(2)
- 0.75 in(7)
- 0.765 in(1)
- 0.787 in(2)
- 0.866 in(4)
- 0.984 in(8)
- 1.0 in(8)
- 1.063 in(1)
- 1.12 in(1)
- 1.125 in(2)
- 1.25 in(9)
- 1.26 in(14)
- 1.379 in(1)
- 1.5 in(2)
- 2.0 in(2)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
- 16.0 mm(4)
- 16.776 mm(2)
- 17.026 mm(2)
- 19.05 mm(1)
- 20.0 mm(3)
- 22.85 mm(4)
- 24.901 mm(6)
- 25.0 mm(2)
- 26.925 mm(1)
- 32.0 mm(3)
- 33.025 mm(5)
- 40.0 mm(4)
- 45.051 mm(1)
- 46.475 mm(1)
- 50.0 mm(1)
- 50.801 mm(2)
- 53.85 mm(1)
- 63.0 mm(1)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
- 0.63 in(4)
- 0.66 in(2)
- 0.67 in(2)
- 0.75 in(1)
- 0.787 in(3)
- 0.9 in(4)
- 0.98 in(6)
- 0.984 in(2)
- 1.06 in(1)
- 1.26 in(3)
- 1.3 in(5)
- 1.575 in(4)
- 1.774 in(1)
- 1.83 in(1)
- 1.969 in(1)
- 2.0 in(2)
- 2.12 in(1)
- 2.48 in(1)
to
Cutting Direction
Cutting Direction
- B (73)
- E (17)
- P (4)
- S (6)
Rake Angle Style
Rake Angle Style
- DOUBLE NEGATIVE (7)
- DOUBLE POSITIVE (5)
- NEGATIVE-ZERO (42)
- NEUTRAL (ZERO) (46)
Maximum Bore Depth
Maximum Bore Depth
- 1.891 in(2)
- 2.0 in(2)
- 2.5 in(2)
- 2.52 in(2)
- 2.835 in(2)
- 3.0 in(8)
- 3.15 in(2)
- 3.75 in(2)
- 3.781 in(1)
- 3.938 in(3)
- 4.0 in(5)
- 4.5 in(2)
- 4.992 in(1)
- 5.0 in(1)
- 5.039 in(4)
- 6.0 in(3)
- 6.299 in(1)
- 7.875 in(1)
to
Maximum Bore Depth
Maximum Bore Depth
- 48.0 mm(2)
- 50.801 mm(2)
- 63.5 mm(2)
- 64.0 mm(2)
- 72.0 mm(2)
- 76.2 mm(8)
- 80.0 mm(2)
- 95.25 mm(2)
- 96.0 mm(1)
- 100.0 mm(3)
- 101.601 mm(5)
- 114.301 mm(2)
- 126.801 mm(1)
- 127.0 mm(1)
- 128.0 mm(4)
- 152.4 mm(3)
- 160.0 mm(1)
- 200.0 mm(1)
to
Boring Bar Material
Boring Bar Material
- C (10)
- S (34)
Front-End
Clamp Style
Clamp Style
- N (100)
Insert Shape
Insert Shape
- D-DIAMOND/RHOMBIC 55 (27)
- K-PARALLELOGRAM 55 (12)
- N/K-PARALLELOGRAM 55 (248)
- V-DIAMOND/RHOMBIC 35 (150)
Maximum Cutting Depth
Maximum Cutting Depth
- 0.116 in(2)
- 0.121 in(1)
- 0.185 in(1)
- 0.244 in(1)
to
Maximum Cutting Depth
Maximum Cutting Depth
- 2.95 mm(2)
- 3.075 mm(1)
- 4.7 mm(1)
- 6.2 mm(1)
to
Insert Geometry
Shape
Shape
- D-DIAMOND/RHOMBIC 55 (22)
- K-PARALLELOGRAM 55 (8)
- N/K-PARALLELOGRAM 55 (192)
- V-DIAMOND/RHOMBIC 35 (115)
Insert IC Size
Insert IC Size
- 4.75 mm(2)
- 6.351 mm(11)
- 9.525 mm(104)
- 12.701 mm(22)
to
Insert IC Size
Insert IC Size
- 0.187 in(2)
- 0.25 in(11)
- 0.375 in(104)
- 0.5 in(22)
to
Cutting Edge Length
Cutting Edge Length
- 11.05 mm(1)
- 11.076 mm(10)
- 11.601 mm(120)
- 11.625 mm(6)
- 15.451 mm(44)
- 15.5 mm(22)
- 16.6 mm(104)
- 17.5 mm(8)
- 22.725 mm(5)
to
Cutting Edge Length
Cutting Edge Length
- 0.435 in(1)
- 0.436 in(10)
- 0.457 in(120)
- 0.458 in(6)
- 0.608 in(44)
- 0.61 in(22)
- 0.654 in(104)
- 0.69 in(8)
- 0.895 in(5)
to
Chip Breaker CBMD
Chip Breaker CBMD
- 08 (36)
- 1 (6)
- 15 (96)
- 2 (2)
- 20 (31)
- 25 (12)
- 32 (2)
- FP (63)
- HP (2)
Cutting Tool Material
Cutting Tool Material
- B H (86)
- B L (82)
- D P (108)
- H T (111)
- H W (412)
Tolerance Class
Tolerance Class
- G (254)
- M (40)
- U (43)
Back-End
Connection Type
Connection Type
- BORING BAR (42)
- BORING BAR HEAD (2)
- SQUARE SHANK (56)
Back-End Diameter
Back-End Diameter
- 12.0 mm(4)
- 12.701 mm(5)
- 15.875 mm(4)
- 16.0 mm(3)
- 19.05 mm(7)
- 20.0 mm(2)
- 25.0 mm(3)
- 25.401 mm(5)
- 31.701 mm(1)
- 31.75 mm(1)
- 32.0 mm(4)
- 38.1 mm(3)
- 40.0 mm(1)
- 50.0 mm(1)
to
Back-End Diameter
Back-End Diameter
- 0.473 in(4)
- 0.5 in(5)
- 0.625 in(4)
- 0.63 in(3)
- 0.75 in(7)
- 0.787 in(2)
- 0.984 in(3)
- 1.0 in(5)
- 1.248 in(1)
- 1.25 in(1)
- 1.26 in(4)
- 1.5 in(3)
- 1.575 in(1)
- 1.969 in(1)
to
Shank Height
Shank Height
- 0.449 in(2)
- 0.473 in(1)
- 0.5 in(4)
- 0.606 in(1)
- 0.625 in(3)
- 0.63 in(2)
- 0.75 in(9)
- 0.787 in(10)
- 0.939 in(3)
- 0.984 in(11)
- 1.0 in(10)
- 1.214 in(4)
- 1.25 in(2)
- 1.26 in(2)
- 1.5 in(2)
- 1.53 in(1)
- 1.848 in(1)
to
Shank Height
Shank Height
- 11.4 mm(2)
- 12.0 mm(1)
- 12.701 mm(4)
- 15.4 mm(1)
- 15.875 mm(3)
- 16.0 mm(2)
- 19.05 mm(9)
- 20.0 mm(10)
- 23.826 mm(3)
- 25.0 mm(11)
- 25.401 mm(10)
- 30.826 mm(4)
- 31.75 mm(2)
- 32.0 mm(2)
- 38.1 mm(2)
- 38.825 mm(1)
- 46.95 mm(1)
to
Shank Width
Shank Width
- 0.473 in(1)
- 0.5 in(4)
- 0.625 in(3)
- 0.63 in(2)
- 0.75 in(9)
- 0.787 in(10)
- 0.864 in(3)
- 0.984 in(13)
- 1.0 in(10)
- 1.141 in(4)
- 1.25 in(2)
- 1.455 in(1)
- 1.5 in(2)
- 1.848 in(1)
to
Shank Width
Shank Width
- 12.0 mm(1)
- 12.701 mm(4)
- 15.875 mm(3)
- 16.0 mm(2)
- 19.05 mm(9)
- 20.0 mm(10)
- 21.951 mm(3)
- 25.0 mm(13)
- 25.401 mm(10)
- 28.951 mm(4)
- 31.75 mm(2)
- 36.95 mm(1)
- 38.1 mm(2)
- 46.95 mm(1)
to
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