Top Notch™ Boring Bars
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Inch
Workpiece Material
Workpiece Material
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P Steel (42)
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P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (42)
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P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (42)
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P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (42)
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P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (42)
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P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (42)
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P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (42)
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P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (42)
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M Stainless Steel (42)
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M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (42)
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M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (42)
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M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (42)
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K Cast Iron (42)
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K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (42)
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K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (42)
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K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (42)
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N Non-Ferrous Materials (42)
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N1Wrought Aluminum (42)
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N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2% (42)
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N3High-Silicon Aluminum Alloys Si >12.2% (41)
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N4Copper, Brass, Zinc-based on machinability index range of 70-100 (42)
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N5Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (42)
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N6Carbon, Graphite Composites, CFRP (42)
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S High-Temp Alloys (42)
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S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS (42)
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S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (42)
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S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS (42)
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S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS (42)
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H Hardened Materials (42)
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H1Hardened Materials 44-48 HRC (42)
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H2Hardened Materials 48-55 HRC (42)
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Applications
Applications
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Face Grooving (7)
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Facing (6)
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ID Facing (6)
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Multiple Direction Cutting (42)
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Profiling (6)
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TRN Boring (6)
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Turning (6)
Tool Cutting Edge Angle
Tool Cutting Edge Angle
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93.0 (1)
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95.0 (28)
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100.0 (1)
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107.5 (8)
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117.5 (4)
to
Over All Length [L]
Over All Length [L]
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5.906 in (4)
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7.087 in (2)
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7.263 in (2)
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7.875 in (2)
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8.0 in (2)
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8.055 in (1)
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8.132 in (2)
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8.15 in (1)
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9.843 in (4)
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10.0 in (7)
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10.063 in (2)
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10.095 in (2)
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11.811 in (2)
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12.0 in (5)
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13.781 in (1)
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14.0 in (2)
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14.07 in (1)
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Over All Length [L]
Over All Length [L]
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150.0 mm (4)
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180.0 mm (2)
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184.451 mm (2)
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200.0 mm (2)
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203.201 mm (2)
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204.601 mm (1)
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206.55 mm (2)
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207.0 mm (1)
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250.0 mm (4)
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254.0 mm (7)
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255.601 mm (2)
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256.401 mm (2)
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300.0 mm (2)
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304.8 mm (5)
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350.0 mm (1)
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355.6 mm (2)
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357.375 mm (1)
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Corner Radius
Corner Radius
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0.005 in (33)
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0.008 in (42)
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0.016 in (42)
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0.02 in (33)
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0.031 in (42)
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0.039 in (33)
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0.047 in (8)
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0.063 in (8)
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Corner Radius
Corner Radius
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0.125 mm (33)
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0.2 mm (42)
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0.4 mm (42)
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0.5 mm (33)
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0.8 mm (42)
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1.0 mm (33)
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1.201 mm (8)
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1.6 mm (8)
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Application
Grade Of Cutting Tool
Grade Of Cutting Tool
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K00326 (8)
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K313 (41)
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K420 (33)
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K68 (41)
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K8735 (8)
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KB1345 (17)
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KC250 (41)
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KC5010 (42)
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KC5025 (42)
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KC5410 (41)
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KC720 (8)
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KC730 (41)
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KC7310 (41)
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KC732 (41)
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KC8050 (42)
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KC810 (42)
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KC850 (42)
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KC9025 (41)
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KC910 (41)
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KC9105 (24)
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KC9110 (42)
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KC9120 (8)
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KC9125 (42)
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KC9225 (42)
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KC9315 (41)
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KC935 (41)
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KC950 (41)
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KCD25 (8)
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KCK05 (8)
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KCK15B (8)
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KCM15B (25)
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KCM25 (42)
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KCP05 (42)
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KCP10 (42)
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KCP10B (24)
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KCP25 (42)
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KCP25B (24)
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KCP25C (42)
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KCS10B (8)
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KCU10 (42)
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KCU10B (42)
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KCU25 (42)
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KD050 (41)
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KD081 (8)
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KD100 (41)
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KD120 (41)
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KD1425 (41)
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KS15 (8)
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KT125 (41)
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KT150 (41)
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KT175 (33)
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KT315 (42)
Hand Of Tool
Hand Of Tool
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L (16)
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R (26)
F Dimension
F Dimension
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8.875 mm (2)
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9.0 mm (2)
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9.4 mm (2)
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9.525 mm (3)
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10.875 mm (1)
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11.0 mm (2)
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12.576 mm (4)
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13.0 mm (2)
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14.275 mm (6)
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15.875 mm (1)
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16.0 mm (2)
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17.0 mm (1)
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18.925 mm (2)
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19.05 mm (3)
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19.425 mm (1)
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22.0 mm (4)
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27.0 mm (1)
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28.451 mm (1)
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31.75 mm (1)
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35.0 mm (1)
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F Dimension
F Dimension
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0.35 in (2)
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0.354 in (2)
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0.37 in (2)
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0.375 in (3)
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0.428 in (1)
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0.433 in (2)
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0.495 in (4)
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0.512 in (2)
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0.562 in (6)
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0.625 in (1)
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0.63 in (2)
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0.669 in (1)
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0.745 in (2)
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0.75 in (3)
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0.765 in (1)
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0.866 in (4)
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1.063 in (1)
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1.12 in (1)
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1.25 in (1)
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1.379 in (1)
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Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
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16.0 mm (4)
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16.776 mm (2)
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17.026 mm (2)
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19.05 mm (1)
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20.0 mm (3)
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22.85 mm (4)
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24.901 mm (6)
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25.0 mm (2)
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26.925 mm (1)
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32.0 mm (3)
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33.025 mm (5)
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40.0 mm (4)
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45.051 mm (1)
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46.475 mm (1)
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50.0 mm (1)
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53.85 mm (1)
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63.0 mm (1)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
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0.63 in (4)
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0.66 in (2)
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0.67 in (2)
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0.75 in (1)
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0.787 in (3)
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0.9 in (4)
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0.98 in (6)
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0.984 in (2)
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1.06 in (1)
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1.26 in (3)
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1.3 in (5)
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1.575 in (4)
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1.774 in (1)
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1.83 in (1)
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1.969 in (1)
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2.12 in (1)
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2.48 in (1)
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Cutting Direction
Cutting Direction
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B (26)
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E (13)
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P (2)
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S (1)
Maximum Bore Depth
Maximum Bore Depth
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1.891 in (2)
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2.0 in (2)
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2.5 in (2)
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2.52 in (2)
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2.835 in (2)
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3.0 in (8)
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3.15 in (2)
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3.75 in (2)
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3.781 in (1)
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3.938 in (3)
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4.0 in (5)
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4.5 in (2)
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4.992 in (1)
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5.0 in (1)
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5.039 in (4)
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6.0 in (1)
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6.299 in (1)
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7.875 in (1)
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Maximum Bore Depth
Maximum Bore Depth
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48.0 mm (2)
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50.801 mm (2)
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63.5 mm (2)
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64.0 mm (2)
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72.0 mm (2)
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76.2 mm (8)
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80.0 mm (2)
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95.25 mm (2)
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96.0 mm (1)
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100.0 mm (3)
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101.601 mm (5)
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114.301 mm (2)
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126.801 mm (1)
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127.0 mm (1)
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128.0 mm (4)
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152.4 mm (1)
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160.0 mm (1)
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200.0 mm (1)
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Boring Bar Material
Boring Bar Material
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C (10)
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S (32)
Front-End
Insert Shape
Insert Shape
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K-PARALLELOGRAM 55 (4)
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N/K-PARALLELOGRAM 55 (29)
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V-DIAMOND/RHOMBIC 35 (9)
Maximum Cutting Depth
Maximum Cutting Depth
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0.116 in (2)
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0.121 in (1)
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0.185 in (1)
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0.244 in (1)
to
Maximum Cutting Depth
Maximum Cutting Depth
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2.95 mm (2)
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3.075 mm (1)
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4.7 mm (1)
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6.2 mm (1)
to
Insert Geometry
Cutting Tool Material
Cutting Tool Material
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B H (41)
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B L (41)
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D P (41)
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H T (42)
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H W (42)
Back-End
Back-End Diameter
Back-End Diameter
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12.0 mm (4)
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12.701 mm (5)
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15.875 mm (4)
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16.0 mm (3)
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19.05 mm (7)
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20.0 mm (2)
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25.0 mm (3)
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25.401 mm (5)
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31.701 mm (1)
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31.75 mm (1)
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32.0 mm (4)
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38.1 mm (1)
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40.0 mm (1)
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50.0 mm (1)
to
Back-End Diameter
Back-End Diameter
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0.473 in (4)
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0.5 in (5)
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0.625 in (4)
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0.63 in (3)
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0.75 in (7)
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0.787 in (2)
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0.984 in (3)
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1.0 in (5)
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1.248 in (1)
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1.25 in (1)
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1.26 in (4)
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1.5 in (1)
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1.575 in (1)
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1.969 in (1)
to
Shank Height
Shank Height
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0.449 in (2)
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0.606 in (1)
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0.939 in (3)
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1.214 in (4)
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1.53 in (1)
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1.848 in (1)
to
Shank Height
Shank Height
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11.4 mm (2)
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15.4 mm (1)
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23.826 mm (3)
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30.826 mm (4)
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38.825 mm (1)
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46.95 mm (1)
to
Shank Width
Shank Width
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0.864 in (3)
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1.141 in (4)
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1.455 in (1)
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1.848 in (1)
to
Shank Width
Shank Width
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21.951 mm (3)
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28.951 mm (4)
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36.95 mm (1)
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46.95 mm (1)
to
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