TopThread™ - Boring Bars
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Workpiece Material
Workpiece Material
- P Steel (40)
- P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(40)
- P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(40)
- P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(40)
- P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(40)
- P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(40)
- P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(40)
- P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(40)
- M Stainless Steel (40)
- M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(40)
- M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(40)
- M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(40)
- K Cast Iron (40)
- K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(40)
- K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(40)
- K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(40)
- N Non-Ferrous Materials (40)
- N1Wrought Aluminum (40)
- N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(40)
- N3High-Silicon Aluminum Alloys Si >12.2%(40)
- N4Copper, Brass, Zinc-based on machinability index range of 70-100 (40)
- N5Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (40)
- N6Carbon, Graphite Composites, CFRP (40)
- N7MMC's (40)
- S High-Temp Alloys (40)
- S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(40)
- S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(40)
- S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(40)
- S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(40)
- H Hardened Materials (39)
- H1Hardened Materials 44-48 HRC(39)
- H2Hardened Materials 48-55 HRC(39)
- H3Hardened Materials 56-60 HRC(36)
- H4Hardened Materials >60 HRC(36)
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- DE (2)
- IN (2)
- US (14)
Applications
Applications
- Grooving (3)
- ID Grooving (37)
- ID Thread Turning (40)
- Threading (1)
Type of Thread
Type of Thread
- 60 (39)
- ACME (19)
- API RD (13)
- BSW (6)
- BUTTRESS (7)
- STUB ACME (13)
- UN (31)
- UNJ (6)
Cutting Condition
Cutting Condition
- Heavily Interrupted Cut (34)
- Lightly Interrupted Cut (34)
- Smooth Cut (39)
Cutting Edges Per Insert
Cutting Edges Per Insert
- 1.0 (39)
- 2.0 (35)
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Over All Length [L]
Over All Length [L]
- 4.921 in(1)
- 5.906 in(5)
- 6.0 in(1)
- 7.087 in(2)
- 7.875 in(4)
- 8.0 in(3)
- 9.843 in(2)
- 10.0 in(5)
- 11.811 in(3)
- 12.0 in(4)
- 13.781 in(1)
- 14.0 in(6)
- 16.0 in(3)
to
Over All Length [L]
Over All Length [L]
- 125.0 mm(1)
- 150.0 mm(5)
- 152.4 mm(1)
- 180.0 mm(2)
- 200.0 mm(4)
- 203.201 mm(3)
- 250.0 mm(2)
- 254.0 mm(5)
- 300.0 mm(3)
- 304.8 mm(4)
- 350.0 mm(1)
- 355.6 mm(6)
- 406.401 mm(3)
to
Corner Radius
Corner Radius
- 0.003 in(26)
- 0.004 in(23)
- 0.006 in(2)
- 0.007 in(26)
- 0.008 in(39)
- 0.01 in(14)
- 0.012 in(6)
- 0.014 in(18)
- 0.016 in(13)
- 0.02 in(16)
- 0.023 in(18)
- 0.03 in(16)
- 0.031 in(29)
- 0.039 in(29)
- 0.047 in(29)
- 0.049 in(29)
- 0.06 in(29)
- 0.062 in(13)
- 0.063 in(18)
- 0.069 in(29)
- 0.078 in(13)
- 0.079 in(18)
- 0.089 in(18)
- 0.095 in(18)
- 0.098 in(5)
- 0.125 in(5)
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Corner Radius
Corner Radius
- 0.076 mm(26)
- 0.1 mm(23)
- 0.151 mm(2)
- 0.176 mm(26)
- 0.2 mm(39)
- 0.225 mm(6)
- 0.25 mm(14)
- 0.301 mm(6)
- 0.325 mm(18)
- 0.351 mm(13)
- 0.4 mm(13)
- 0.5 mm(16)
- 0.576 mm(18)
- 0.75 mm(16)
- 0.775 mm(29)
- 1.0 mm(29)
- 1.201 mm(29)
- 1.25 mm(29)
- 1.5 mm(29)
- 1.576 mm(13)
- 1.6 mm(18)
- 1.75 mm(29)
- 1.975 mm(13)
- 2.0 mm(18)
- 2.25 mm(18)
- 2.401 mm(18)
- 2.5 mm(5)
- 3.176 mm(5)
to
Application
Minimum Depth of Cut
Minimum Feed
Minimum Feed
Grade Of Cutting Tool
Grade Of Cutting Tool
- THM (29)
- TN10P (24)
- TN6010 (39)
- TN6025 (40)
- TN7110 (34)
- WU10HT (6)
- WU10PT (13)
- WU25PT (7)
Hand Of Tool
Hand Of Tool
- L (16)
- R (24)
F Dimension
F Dimension
- 6.551 mm(2)
- 7.0 mm(2)
- 10.3 mm(1)
- 11.0 mm(4)
- 11.101 mm(2)
- 12.701 mm(2)
- 13.0 mm(2)
- 14.275 mm(2)
- 17.0 mm(4)
- 17.475 mm(4)
- 22.0 mm(2)
- 22.225 mm(2)
- 25.401 mm(2)
- 27.0 mm(3)
- 31.75 mm(3)
- 34.926 mm(2)
- 35.0 mm(1)
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F Dimension
F Dimension
- 0.258 in(2)
- 0.276 in(2)
- 0.406 in(1)
- 0.433 in(4)
- 0.437 in(2)
- 0.5 in(2)
- 0.512 in(2)
- 0.562 in(2)
- 0.669 in(4)
- 0.689 in(4)
- 0.866 in(2)
- 0.875 in(2)
- 1.0 in(2)
- 1.063 in(3)
- 1.25 in(3)
- 1.375 in(2)
- 1.379 in(1)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
- 11.175 mm(2)
- 11.5 mm(2)
- 18.5 mm(2)
- 18.55 mm(2)
- 20.326 mm(1)
- 22.0 mm(2)
- 25.401 mm(2)
- 26.0 mm(2)
- 28.576 mm(2)
- 34.0 mm(4)
- 34.926 mm(4)
- 44.0 mm(2)
- 44.45 mm(2)
- 50.801 mm(2)
- 54.0 mm(3)
- 63.5 mm(3)
- 69.851 mm(2)
- 70.0 mm(1)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
- 0.44 in(2)
- 0.453 in(2)
- 0.728 in(2)
- 0.73 in(2)
- 0.8 in(1)
- 0.866 in(2)
- 1.0 in(2)
- 1.024 in(2)
- 1.125 in(2)
- 1.339 in(4)
- 1.375 in(4)
- 1.732 in(2)
- 1.75 in(2)
- 2.0 in(2)
- 2.126 in(3)
- 2.5 in(3)
- 2.75 in(2)
- 2.757 in(1)
to
Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
- 393.661 in(39)
to
Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
- 9999.0 mm(39)
to
Maximum Bore Depth
Maximum Bore Depth
- 1.23 in(1)
- 1.232 in(1)
- 1.29 in(1)
- 1.5 in(1)
- 1.891 in(2)
- 2.0 in(2)
- 2.5 in(3)
- 2.52 in(2)
- 3.0 in(2)
- 3.15 in(2)
- 3.938 in(4)
- 4.0 in(4)
- 5.0 in(2)
- 5.039 in(2)
- 6.0 in(2)
- 6.299 in(3)
- 7.0 in(2)
- 7.875 in(1)
- 8.0 in(3)
to
Maximum Bore Depth
Maximum Bore Depth
- 31.25 mm(1)
- 31.3 mm(1)
- 32.775 mm(1)
- 38.1 mm(1)
- 48.0 mm(2)
- 50.801 mm(2)
- 63.5 mm(3)
- 64.0 mm(2)
- 76.2 mm(2)
- 80.0 mm(2)
- 100.0 mm(4)
- 101.601 mm(4)
- 127.0 mm(2)
- 128.0 mm(2)
- 152.4 mm(2)
- 160.0 mm(3)
- 177.8 mm(2)
- 200.0 mm(1)
- 203.201 mm(3)
to
Front-End
Cutting Width
Cutting Width
- 0.02 in(16)
- 0.031 in(16)
- 0.039 in(29)
- 0.041 in(8)
- 0.047 in(34)
- 0.055 in(16)
- 0.058 in(16)
- 0.06 in(29)
- 0.062 in(34)
- 0.067 in(16)
- 0.069 in(29)
- 0.073 in(13)
- 0.077 in(16)
- 0.078 in(13)
- 0.079 in(29)
- 0.088 in(29)
- 0.089 in(23)
- 0.094 in(6)
- 0.095 in(34)
- 0.098 in(29)
- 0.108 in(29)
- 0.119 in(34)
- 0.125 in(34)
- 0.126 in(13)
- 0.128 in(29)
- 0.138 in(34)
- 0.147 in(8)
- 0.152 in(16)
- 0.156 in(13)
- 0.157 in(18)
- 0.167 in(13)
- 0.177 in(18)
- 0.188 in(15)
- 0.189 in(18)
- 0.192 in(6)
- 0.195 in(6)
- 0.196 in(13)
- 0.197 in(5)
- 0.217 in(5)
- 0.237 in(5)
- 0.25 in(5)
to
Cutting Width
Cutting Width
- 0.5 mm(16)
- 0.775 mm(16)
- 0.8 mm(16)
- 1.0 mm(29)
- 1.05 mm(8)
- 1.201 mm(34)
- 1.401 mm(16)
- 1.475 mm(16)
- 1.5 mm(29)
- 1.576 mm(34)
- 1.701 mm(16)
- 1.75 mm(29)
- 1.826 mm(13)
- 1.951 mm(16)
- 1.975 mm(13)
- 2.0 mm(29)
- 2.2 mm(29)
- 2.225 mm(6)
- 2.25 mm(23)
- 2.375 mm(6)
- 2.401 mm(34)
- 2.5 mm(29)
- 2.75 mm(29)
- 3.0 mm(34)
- 3.176 mm(34)
- 3.2 mm(13)
- 3.25 mm(29)
- 3.5 mm(34)
- 3.725 mm(8)
- 3.85 mm(16)
- 3.95 mm(13)
- 3.975 mm(6)
- 4.0 mm(18)
- 4.25 mm(13)
- 4.5 mm(18)
- 4.775 mm(15)
- 4.801 mm(18)
- 4.875 mm(6)
- 4.95 mm(6)
- 4.976 mm(13)
- 5.0 mm(5)
- 5.5 mm(5)
- 6.0 mm(5)
- 6.351 mm(5)
to
Insert Size
Insert Size
- 1 (5)
- 2 (16)
- 3 (13)
- 4 (5)
- 6 (1)
Maximum Cutting Depth
Maximum Cutting Depth
- 0.067 in(1)
to
Maximum Cutting Depth
Maximum Cutting Depth
- 1.701 mm(1)
to
Back-End
Back-End Diameter
Back-End Diameter
- 9.525 mm(1)
- 10.0 mm(1)
- 12.0 mm(3)
- 12.701 mm(3)
- 15.875 mm(3)
- 16.0 mm(2)
- 19.05 mm(2)
- 20.0 mm(2)
- 25.0 mm(4)
- 25.401 mm(4)
- 31.75 mm(2)
- 32.0 mm(2)
- 38.1 mm(2)
- 40.0 mm(3)
- 44.45 mm(2)
- 50.0 mm(1)
- 50.801 mm(3)
to
Back-End Diameter
Back-End Diameter
- 0.375 in(1)
- 0.394 in(1)
- 0.473 in(3)
- 0.5 in(3)
- 0.625 in(3)
- 0.63 in(2)
- 0.75 in(2)
- 0.787 in(2)
- 0.984 in(4)
- 1.0 in(4)
- 1.25 in(2)
- 1.26 in(2)
- 1.5 in(2)
- 1.575 in(3)
- 1.75 in(2)
- 1.969 in(1)
- 2.0 in(3)
to
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