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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Workpiece Material
Workpiece Material
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P Steel (424)
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P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (424)
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P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (424)
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P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (424)
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P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (424)
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P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (424)
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P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (424)
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P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (424)
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M Stainless Steel (422)
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M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (422)
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M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (422)
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M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (422)
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K Cast Iron (374)
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K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (374)
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K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (374)
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K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (374)
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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% (372)
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N3High-Silicon Aluminum Alloys Si >12.2% (195)
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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 (372)
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N6Carbon, Graphite Composites, CFRP (372)
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N7MMC's (195)
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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 (228)
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H3Hardened Materials 56-60 HRC (114)
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H4Hardened Materials >60 HRC (114)
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Applications
Applications
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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)
Type of Thread
Type of Thread
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60 (187)
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ACME (122)
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API (114)
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API RD (86)
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BSW (78)
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BUTTRESS (182)
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M (114)
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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)
Cutting Condition
Cutting Condition
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Heavily Interrupted Cut (374)
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Lightly Interrupted Cut (378)
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Smooth Cut (415)
Tool Cutting Edge Angle
Tool Cutting Edge Angle
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45.0 (12)
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90.0 (186)
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Connection Style
Connection Style
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Bolt-On Head (6)
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Boring Bar Shank (63)
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Toolholder (90)
Cutting Edges Per Insert
Cutting Edges Per Insert
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1.0 (216)
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2.0 (468)
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Over All Length [L]
Over All Length [L]
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1.625 in (6)
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2.165 in (1)
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2.192 in (1)
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2.5 in (4)
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2.757 in (2)
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3.15 in (2)
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3.5 in (4)
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3.938 in (4)
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4.0 in (3)
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Over All Length [L]
Over All Length [L]
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41.276 mm (6)
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55.0 mm (1)
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55.676 mm (1)
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63.5 mm (4)
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70.0 mm (2)
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250.925 mm (1)
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300.0 mm (4)
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304.8 mm (8)
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350.0 mm (1)
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355.6 mm (10)
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406.401 mm (10)
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Corner Radius
Corner Radius
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0.002 in (78)
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0.003 in (187)
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0.004 in (146)
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0.005 in (78)
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0.006 in (114)
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0.06 in (152)
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0.063 in (254)
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Corner Radius
Corner Radius
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0.05 mm (78)
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0.076 mm (187)
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0.1 mm (146)
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0.125 mm (78)
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0.151 mm (114)
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0.176 mm (150)
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0.2 mm (187)
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0.225 mm (78)
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0.25 mm (150)
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0.275 mm (78)
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0.301 mm (78)
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0.325 mm (117)
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0.351 mm (114)
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0.4 mm (86)
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0.426 mm (78)
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0.45 mm (114)
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0.476 mm (40)
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0.5 mm (153)
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1.201 mm (188)
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1.6 mm (254)
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2.25 mm (114)
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2.401 mm (159)
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2.5 mm (37)
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3.176 mm (66)
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Corner Chamfer
Corner Chamfer
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0.0 mm (310)
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Corner Chamfer
Corner Chamfer
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0.0 in (310)
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Application
Minimum Depth of Cut
Minimum Depth of Cut
Minimum Feed
Minimum Feed
Grade Of Cutting Tool
Grade Of Cutting Tool
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K1 (5)
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K2885 (146)
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K313 (192)
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K420 (202)
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K4H (110)
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K68 (225)
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KB1345 (114)
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KB1630 (114)
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KB5625 (78)
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KBH20 (40)
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KC250 (151)
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KC5010 (246)
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KC5025 (234)
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KC5410 (182)
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KC710 (182)
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KC720 (187)
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KC722 (182)
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KC730 (245)
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KC732 (78)
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KC810 (198)
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KC850 (234)
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KC910 (110)
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KC9110 (182)
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KC9120 (78)
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KC9320 (182)
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KC935 (182)
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KC950 (182)
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KCK20 (148)
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KCK20B (182)
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KCP10B (182)
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KCP25B (182)
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KCU10 (241)
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KCU25 (238)
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KD050 (40)
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KD081 (78)
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KD100 (97)
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KD120 (114)
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KD1425 (78)
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KT175 (146)
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KT315 (182)
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KU10T (182)
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KU25T (182)
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KU30T (182)
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KY3000 (114)
Hand Of Tool
Hand Of Tool
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L (67)
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R (92)
Wiper Insert
Wiper Insert
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N (504)
F Dimension
F Dimension
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6.551 mm (2)
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7.0 mm (2)
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9.525 mm (2)
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10.0 mm (1)
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10.3 mm (1)
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10.775 mm (1)
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10.976 mm (2)
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11.0 mm (4)
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11.101 mm (2)
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12.0 mm (1)
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12.576 mm (2)
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12.701 mm (6)
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13.0 mm (2)
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14.0 mm (2)
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14.15 mm (2)
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14.275 mm (4)
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15.875 mm (4)
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16.0 mm (4)
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17.0 mm (4)
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17.35 mm (2)
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17.475 mm (4)
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19.05 mm (2)
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19.425 mm (1)
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20.0 mm (2)
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22.0 mm (2)
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22.225 mm (3)
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22.6 mm (2)
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25.0 mm (6)
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25.401 mm (11)
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27.0 mm (4)
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28.576 mm (1)
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31.75 mm (23)
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32.0 mm (11)
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35.0 mm (1)
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38.1 mm (16)
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40.0 mm (4)
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41.276 mm (4)
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50.801 mm (4)
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F Dimension
F Dimension
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0.258 in (2)
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0.375 in (2)
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0.394 in (1)
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0.406 in (1)
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0.424 in (1)
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0.433 in (4)
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0.437 in (2)
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0.473 in (1)
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0.495 in (2)
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0.5 in (6)
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0.512 in (2)
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0.551 in (2)
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0.557 in (2)
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0.89 in (2)
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0.984 in (6)
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1.379 in (1)
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1.5 in (16)
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Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
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0.0 mm (88)
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11.175 mm (2)
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11.5 mm (2)
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18.5 mm (2)
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18.55 mm (4)
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20.326 mm (1)
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22.0 mm (3)
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25.401 mm (4)
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26.0 mm (2)
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28.576 mm (4)
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34.0 mm (4)
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34.926 mm (6)
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38.1 mm (4)
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41.301 mm (39)
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44.0 mm (2)
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44.45 mm (2)
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47.6 mm (39)
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50.801 mm (2)
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54.0 mm (4)
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55.875 mm (3)
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56.625 mm (29)
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57.151 mm (6)
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57.2 mm (15)
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60.325 mm (4)
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63.5 mm (22)
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69.851 mm (4)
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70.0 mm (1)
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76.2 mm (8)
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82.551 mm (4)
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88.9 mm (117)
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127.0 mm (1)
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139.701 mm (220)
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146.05 mm (3)
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174.601 mm (39)
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209.601 mm (97)
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222.3 mm (15)
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333.0 mm (3)
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Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
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0.0 in (88)
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0.44 in (2)
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0.453 in (2)
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0.728 in (2)
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0.73 in (4)
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1.375 in (6)
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1.5 in (4)
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3.0 in (8)
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3.25 in (4)
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5.0 in (1)
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5.5 in (220)
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5.75 in (3)
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6.875 in (39)
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8.252 in (97)
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8.752 in (15)
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13.11 in (3)
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Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
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393.661 in (501)
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Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
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9999.0 mm (501)
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Cutting Direction
Cutting Direction
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E (87)
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S (72)
Rake Angle Style
Rake Angle Style
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NEUTRAL (ZERO) (159)
Maximum Bore Depth
Maximum Bore Depth
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1.0 in (10)
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1.23 in (1)
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1.232 in (1)
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1.291 in (1)
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1.5 in (1)
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1.891 in (2)
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2.0 in (25)
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2.499 in (1)
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6.299 in (4)
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7.875 in (1)
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9.0 in (1)
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10.0 in (7)