TopGroove™ Grooving Inserts
WIDIA TopGroove™ grooving inserts are designed to deliver superior performance and versatility in turning operations. The indexable inserts are engineered with advanced geometries, coatings, and materials to ensure optimal chip control, surface finish quality, and tool life. Paired with a great quality turning tool holder, WIDIA inserts enable you to achieve exceptional results in metal turning applications. With specialized inserts for deep grooving, full radius, and profiling operations, the TopGroove™ platform offers solutions for a wide range of machining requirements. Whether creating intricate profiles, achieving tight tolerances, or producing smooth surface finishes, WIDIA TopGroove™ inserts deliver reliability and consistency, driving efficiency and innovation in turning processes.
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Workpiece Material
Workpiece Material
- P Steel (353)
- P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(353)
- P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(353)
- P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(353)
- P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(353)
- P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(353)
- P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(353)
- P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(353)
- M Stainless Steel (365)
- M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(365)
- M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(365)
- M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(365)
- K Cast Iron (364)
- K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(364)
- K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(364)
- K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(364)
- N Non-Ferrous Materials (365)
- N1Wrought Aluminum (365)
- N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(365)
- N3High-Silicon Aluminum Alloys Si >12.2%(365)
- N4Copper, Brass, Zinc-based on machinability index range of 70-100 (11)
- N5Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (365)
- N6Carbon, Graphite Composites, CFRP (365)
- N7MMC's (11)
- S High-Temp Alloys (365)
- S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(365)
- S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(365)
- S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(365)
- S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(365)
- H Hardened Materials (1)
- H1Hardened Materials 44-48 HRC(1)
- H2Hardened Materials 48-55 HRC(1)
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- DE (10)
- US (153)
Applications
Applications
Boring (3)
Face Grooving (359)
Grooving (352)
ID Grooving (264)
Plunge Turning (264)
Profiling (82)
Turning (3)
Cutting Condition
Cutting Condition
- Heavily Interrupted Cut (348)
- Lightly Interrupted Cut (348)
- Smooth Cut (359)
Cutting Edges Per Insert
Cutting Edges Per Insert
- 1.0 (67)
- 2.0 (298)
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Corner Radius
Corner Radius
- 0.004 in(29)
- 0.007 in(11)
- 0.008 in(173)
- 0.01 in(5)
- 0.013 in(13)
- 0.02 in(4)
- 0.023 in(37)
- 0.03 in(4)
- 0.031 in(16)
- 0.039 in(7)
- 0.047 in(10)
- 0.049 in(3)
- 0.059 in(6)
- 0.062 in(4)
- 0.063 in(13)
- 0.069 in(4)
- 0.078 in(3)
- 0.079 in(4)
- 0.089 in(2)
- 0.094 in(5)
- 0.098 in(2)
- 0.125 in(6)
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Corner Radius
Corner Radius
- 0.1 mm(29)
- 0.175 mm(11)
- 0.2 mm(173)
- 0.25 mm(5)
- 0.325 mm(13)
- 0.5 mm(4)
- 0.575 mm(37)
- 0.75 mm(4)
- 0.775 mm(16)
- 1.0 mm(7)
- 1.2 mm(10)
- 1.25 mm(3)
- 1.5 mm(6)
- 1.575 mm(4)
- 1.6 mm(13)
- 1.75 mm(4)
- 1.975 mm(3)
- 2.0 mm(4)
- 2.25 mm(2)
- 2.4 mm(5)
- 2.5 mm(2)
- 3.175 mm(6)
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Application
Grade Of Cutting Tool
Grade Of Cutting Tool
- THM (11)
- TN6010 (124)
- TN6025 (227)
- WU10HT (1)
- WU10PT (1)
- WU25PT (1)
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
- 0.0 mm(9)
- 41.3 mm(6)
- 47.6 mm(4)
- 56.625 mm(3)
- 57.2 mm(2)
- 88.9 mm(115)
- 139.7 mm(142)
- 174.6 mm(34)
- 209.6 mm(33)
- 222.3 mm(16)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
- 0.0 in(9)
- 1.626 in(6)
- 1.874 in(4)
- 2.229 in(3)
- 2.252 in(2)
- 3.5 in(115)
- 5.5 in(142)
- 6.874 in(34)
- 8.252 in(33)
- 8.752 in(16)
to
Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
- 393.661 in(364)
to
Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
- 9999.0 mm(364)
to
Front-End
Cutting Width
Cutting Width
- 0.0197 in(3)
- 0.031 in(7)
- 0.0315 in(4)
- 0.0394 in(9)
- 0.041 in(1)
- 0.047 in(12)
- 0.0472 in(6)
- 0.0551 in(4)
- 0.058 in(2)
- 0.0591 in(13)
- 0.062 in(39)
- 0.0669 in(3)
- 0.0689 in(4)
- 0.072 in(2)
- 0.0768 in(4)
- 0.078 in(4)
- 0.0787 in(25)
- 0.0866 in(4)
- 0.088 in(2)
- 0.0886 in(4)
- 0.094 in(30)
- 0.0984 in(15)
- 0.1083 in(6)
- 0.1181 in(23)
- 0.125 in(44)
- 0.126 in(2)
- 0.1278 in(2)
- 0.128 in(1)
- 0.1378 in(9)
- 0.147 in(2)
- 0.151 in(2)
- 0.156 in(8)
- 0.1574 in(5)
- 0.1575 in(9)
- 0.1673 in(1)
- 0.1771 in(4)
- 0.1772 in(3)
- 0.188 in(5)
- 0.189 in(18)
- 0.192 in(2)
- 0.195 in(1)
- 0.196 in(2)
- 0.1969 in(4)
- 0.2165 in(1)
- 0.2362 in(1)
- 0.25 in(13)
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Cutting Width
Cutting Width
- 0.5 mm(3)
- 0.787 mm(7)
- 0.8 mm(4)
- 1.0 mm(9)
- 1.041 mm(1)
- 1.19 mm(3)
- 1.194 mm(9)
- 1.2 mm(6)
- 1.4 mm(4)
- 1.473 mm(2)
- 1.5 mm(13)
- 1.57 mm(9)
- 1.575 mm(30)
- 1.7 mm(3)
- 1.75 mm(4)
- 1.829 mm(2)
- 1.95 mm(4)
- 1.981 mm(4)
- 2.0 mm(25)
- 2.2 mm(4)
- 2.236 mm(2)
- 2.25 mm(4)
- 2.387 mm(2)
- 2.388 mm(23)
- 2.39 mm(5)
- 2.5 mm(15)
- 2.75 mm(6)
- 3.0 mm(23)
- 3.17 mm(4)
- 3.175 mm(39)
- 3.18 mm(1)
- 3.2 mm(2)
- 3.245 mm(2)
- 3.25 mm(1)
- 3.5 mm(9)
- 3.73 mm(2)
- 3.84 mm(2)
- 3.96 mm(4)
- 3.962 mm(3)
- 3.974 mm(1)
- 4.0 mm(14)
- 4.25 mm(1)
- 4.5 mm(7)
- 4.775 mm(3)
- 4.788 mm(2)
- 4.8 mm(4)
- 4.801 mm(14)
- 4.88 mm(2)
- 4.953 mm(1)
- 4.978 mm(2)
- 5.0 mm(4)
- 5.5 mm(1)
- 6.0 mm(1)
- 6.35 mm(12)
- 6.36 mm(1)
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Maximum Cutting Insert Depth
Maximum Cutting Insert Depth
- 0.64 mm(3)
- 0.76 mm(3)
- 0.762 mm(27)
- 1.015 mm(2)
- 1.016 mm(49)
- 1.02 mm(4)
- 1.09 mm(9)
- 1.092 mm(33)
- 1.335 mm(3)
- 1.905 mm(2)
- 1.97 mm(2)
- 1.981 mm(2)
- 2.54 mm(3)
- 2.75 mm(2)
- 2.92 mm(9)
- 2.921 mm(23)
- 3.81 mm(10)
- 3.84 mm(2)
- 3.86 mm(1)
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Maximum Cutting Insert Depth
Maximum Cutting Insert Depth
- 0.025 in(3)
- 0.03 in(30)
- 0.04 in(55)
- 0.043 in(42)
- 0.0526 in(3)
- 0.075 in(2)
- 0.078 in(4)
- 0.1 in(3)
- 0.108 in(2)
- 0.115 in(32)
- 0.15 in(10)
- 0.151 in(2)
- 0.152 in(1)
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Insert Geometry
Insert Seat Size
Insert Seat Size
- 1 (3)
- 2 (119)
- 3 (192)
- 4 (51)
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