Top Notch™ Boring Bars
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Inch
Workpiece Material
Workpiece Material
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P Steel (63)
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P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (63)
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P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (63)
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P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (63)
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P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (63)
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P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (63)
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P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (63)
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P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (63)
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M Stainless Steel (63)
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M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (63)
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M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (63)
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M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (63)
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K Cast Iron (63)
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K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (63)
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K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (63)
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K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (63)
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N Non-Ferrous Materials (63)
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N1Wrought Aluminum (63)
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N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2% (63)
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N3High-Silicon Aluminum Alloys Si >12.2% (63)
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N4Copper, Brass, Zinc-based on machinability index range of 70-100 (63)
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N5Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (63)
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N6Carbon, Graphite Composites, CFRP (63)
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N7MMC's (63)
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S High-Temp Alloys (63)
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S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS (63)
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S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (63)
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S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS (63)
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S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS (63)
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H Hardened Materials (63)
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H1Hardened Materials 44-48 HRC (63)
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H2Hardened Materials 48-55 HRC (56)
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H3Hardened Materials 56-60 HRC (33)
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H4Hardened Materials >60 HRC (33)
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Applications
Applications
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Face Grooving (62)
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Grooving (3)
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ID Facing (7)
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ID Grooving (56)
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ID Thread Turning (63)
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Threading (1)
Type of Thread
Type of Thread
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60 (61)
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ACME (35)
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API (33)
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API RD (27)
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BSW (25)
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BUTTRESS (56)
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M (36)
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NPT (25)
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STUB ACME (25)
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UN (56)
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UNJ (25)
Cutting Condition
Cutting Condition
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Heavily Interrupted Cut (63)
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Lightly Interrupted Cut (63)
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Smooth Cut (63)
Cutting Edges Per Insert
Cutting Edges Per Insert
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1.0 (61)
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2.0 (58)
to
Internal Coolant Capability
Internal Coolant Capability
Over All Length [L]
Over All Length [L]
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4.921 in (1)
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5.906 in (5)
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6.0 in (1)
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7.079 in (2)
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7.875 in (4)
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7.976 in (1)
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8.0 in (5)
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9.843 in (2)
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9.879 in (1)
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10.0 in (8)
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11.811 in (4)
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12.0 in (8)
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13.781 in (1)
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14.0 in (10)
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16.0 in (10)
to
Over All Length [L]
Over All Length [L]
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125.0 mm (1)
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150.0 mm (5)
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152.4 mm (1)
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179.8 mm (2)
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200.0 mm (4)
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202.601 mm (1)
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203.201 mm (5)
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250.0 mm (2)
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250.925 mm (1)
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254.0 mm (8)
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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)
to
Corner Radius
Corner Radius
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0.002 in (25)
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0.003 in (61)
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0.004 in (48)
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0.005 in (25)
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0.006 in (33)
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0.007 in (44)
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0.008 in (61)
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0.01 in (44)
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0.011 in (25)
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0.012 in (25)
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0.014 in (33)
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0.016 in (27)
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0.017 in (13)
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0.019 in (33)
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0.02 in (48)
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0.023 in (33)
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0.03 in (23)
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0.031 in (48)
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0.033 in (2)
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0.035 in (33)
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0.039 in (48)
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0.047 in (48)
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0.049 in (48)
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0.06 in (48)
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0.062 in (25)
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0.063 in (56)
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0.069 in (48)
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0.078 in (25)
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0.079 in (33)
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0.089 in (33)
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0.095 in (33)
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0.098 in (8)
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0.125 in (8)
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Corner Radius
Corner Radius
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0.05 mm (25)
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0.076 mm (61)
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0.1 mm (48)
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0.125 mm (25)
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0.151 mm (33)
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0.176 mm (44)
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0.2 mm (61)
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0.225 mm (25)
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0.25 mm (44)
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0.275 mm (25)
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0.301 mm (25)
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0.325 mm (33)
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0.351 mm (33)
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0.4 mm (27)
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0.426 mm (13)
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0.45 mm (33)
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0.476 mm (12)
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0.5 mm (48)
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0.576 mm (33)
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0.75 mm (23)
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0.775 mm (48)
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0.826 mm (2)
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0.9 mm (33)
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1.0 mm (48)
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1.201 mm (48)
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1.25 mm (48)
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1.5 mm (48)
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1.576 mm (25)
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1.6 mm (56)
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1.75 mm (48)
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1.975 mm (25)
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2.0 mm (33)
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2.25 mm (33)
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2.401 mm (33)
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2.5 mm (8)
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3.176 mm (8)
to
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 (48)
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K313 (56)
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K420 (63)
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K4H (37)
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K68 (63)
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KB1345 (33)
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KB1630 (33)
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KB5625 (25)
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KBH20 (12)
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KC250 (53)
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KC5010 (63)
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KC5025 (63)
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KC5410 (56)
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KC710 (56)
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KC720 (61)
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KC722 (56)
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KC730 (63)
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KC732 (25)
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KC810 (63)
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KC850 (58)
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KC910 (37)
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KC9110 (56)
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KC9120 (25)
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KC9320 (56)
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KC935 (56)
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KC950 (56)
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KCK20 (45)
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KCK20B (56)
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KCP10B (56)
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KCP25B (56)
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KCU10 (63)
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KCU25 (63)
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KD050 (12)
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KD081 (25)
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KD100 (30)
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KD120 (33)
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KD1425 (25)
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KT175 (48)
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KT315 (56)
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KU10T (56)
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KU25T (56)
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KU30T (56)
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KY3000 (33)
Hand Of Tool
Hand Of Tool
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L (26)
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R (37)
F Dimension
F Dimension
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6.551 mm (2)
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7.0 mm (2)
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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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12.576 mm (2)
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12.701 mm (2)
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13.0 mm (2)
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14.15 mm (2)
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14.275 mm (2)
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16.25 mm (2)
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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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19.425 mm (1)
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22.0 mm (2)
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22.225 mm (2)
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22.6 mm (2)
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25.401 mm (2)
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27.0 mm (4)
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28.576 mm (1)
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31.75 mm (4)
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32.525 mm (2)
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34.926 mm (4)
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35.0 mm (1)
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38.1 mm (1)
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41.276 mm (1)
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F Dimension
F Dimension
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0.258 in (2)
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0.276 in (2)
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0.406 in (1)
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0.424 in (1)
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0.432 in (2)
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0.433 in (4)
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0.437 in (2)
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0.495 in (2)
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0.5 in (2)
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0.512 in (2)
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0.557 in (2)
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0.562 in (2)
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0.64 in (2)
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0.669 in (4)
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0.683 in (2)
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0.689 in (4)
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0.765 in (1)
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0.866 in (2)
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0.875 in (2)
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0.89 in (2)
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1.0 in (2)
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1.063 in (4)
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1.125 in (1)
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1.25 in (4)
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1.281 in (2)
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1.375 in (4)
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1.379 in (1)
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1.5 in (1)
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1.625 in (1)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
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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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44.0 mm (2)
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44.45 mm (2)
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50.801 mm (2)
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54.0 mm (4)
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57.151 mm (6)
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60.325 mm (2)
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63.5 mm (4)
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69.851 mm (4)
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70.0 mm (1)
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76.2 mm (1)
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82.551 mm (1)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
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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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0.8 in (1)
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0.866 in (3)
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1.0 in (4)
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1.024 in (2)
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1.125 in (4)
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1.339 in (4)
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1.375 in (6)
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1.732 in (2)
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1.75 in (2)
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2.0 in (2)
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2.126 in (4)
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2.25 in (6)
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2.375 in (2)
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2.5 in (4)
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2.75 in (4)
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2.757 in (1)
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3.0 in (1)
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3.25 in (1)
to
Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
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393.661 in (62)
to
Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
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9999.0 mm (62)
to
Cutting Direction
Cutting Direction
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E (7)
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S (56)
Maximum Bore Depth
Maximum Bore Depth
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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 (2)
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2.499 in (1)
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2.5 in (2)
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2.52 in (2)
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3.0 in (4)
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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 (4)
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4.0 in (6)
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4.5 in (2)
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5.0 in (3)
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5.039 in (2)
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6.0 in (6)
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6.299 in (4)
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7.0 in (3)
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7.875 in (1)
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8.0 in (8)
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10.0 in (2)
to
Maximum Bore Depth
Maximum Bore Depth
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31.25 mm (1)
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31.3 mm (1)
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32.801 mm (1)
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38.1 mm (1)
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48.0 mm (2)
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50.801 mm (2)
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63.475 mm (1)
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63.5 mm (2)
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64.0 mm (2)
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76.2 mm (4)
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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 (4)
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101.601 mm (6)
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114.301 mm (2)
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127.0 mm (3)
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128.0 mm (2)
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152.4 mm (6)
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160.0 mm (4)
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177.8 mm (3)
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200.0 mm (1)
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203.201 mm (8)
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254.0 mm (2)
to
Boring Bar Material
Boring Bar Material
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C (9)
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S (54)
Front-End
Clamp Style
Clamp Style
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N (62)
Cutting Width
Cutting Width
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0.02 in (23)
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0.031 in (28)
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0.035 in (23)
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0.039 in (48)
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0.041 in (23)
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0.047 in (53)
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0.055 in (23)
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0.058 in (23)
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0.06 in (48)
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0.061 in (11)
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0.062 in (53)
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0.067 in (23)
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0.069 in (48)
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0.073 in (25)
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0.077 in (23)
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0.078 in (25)
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0.079 in (48)
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0.088 in (48)
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0.089 in (36)
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0.094 in (12)
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0.095 in (53)
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0.097 in (25)
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0.098 in (48)
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0.105 in (25)
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0.108 in (48)
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0.11 in (25)
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0.119 in (56)
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0.122 in (25)
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0.125 in (56)
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0.126 in (56)
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0.128 in (48)
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0.129 in (23)
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0.131 in (12)
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0.138 in (56)
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0.143 in (25)
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0.147 in (11)
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0.15 in (23)
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0.152 in (23)
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0.156 in (25)
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0.157 in (33)
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0.167 in (33)
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0.169 in (25)
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0.177 in (33)
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0.178 in (25)
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0.185 in (28)
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0.188 in (33)
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0.189 in (33)
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0.192 in (12)
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0.193 in (12)
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0.195 in (25)
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0.197 in (8)
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0.202 in (8)
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0.213 in (8)
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0.217 in (8)
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0.218 in (2)
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0.219 in (8)
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0.237 in (8)
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0.25 in (10)
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0.255 in (8)
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0.281 in (2)
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0.312 in (2)
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0.375 in (2)
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0.383 in (2)
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