LT Threading Boring Bars
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Workpiece Material
Workpiece Material
- P Steel (52)
- P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(52)
- P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(52)
- P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(52)
- P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(52)
- P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(52)
- P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(52)
- P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(52)
- M Stainless Steel (52)
- M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(52)
- M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(52)
- M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(52)
- K Cast Iron (52)
- K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(52)
- K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(52)
- K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(52)
- S High-Temp Alloys (52)
- S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(52)
- S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(52)
- S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(52)
- S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(52)
Type of Thread
Type of Thread
- 55 (52)
- 60 (52)
- ACME (39)
- API (13)
- API BUTTRESS (13)
- API RD (26)
- BSPT (39)
- BSW (52)
- M (52)
- NPT (39)
- NPTF (39)
- RD DIN 405 (39)
- STUB ACME (39)
- TR DIN 103 (39)
- UN (39)
- UNJ (39)
Over All Length [L]
Over All Length [L]
- 2.362 in(1)
- 3.938 in(2)
- 5.906 in(2)
- 6.0 in(2)
- 7.0 in(8)
- 7.087 in(11)
- 7.875 in(5)
- 8.0 in(1)
- 9.843 in(6)
- 10.0 in(10)
- 11.811 in(2)
- 12.0 in(2)
to
Over All Length [L]
Over All Length [L]
- 60.0 mm(1)
- 100.0 mm(2)
- 150.0 mm(2)
- 152.4 mm(2)
- 177.8 mm(8)
- 180.0 mm(11)
- 200.0 mm(5)
- 203.201 mm(1)
- 250.0 mm(6)
- 254.0 mm(10)
- 300.0 mm(2)
- 304.8 mm(2)
to
Corner Radius
Corner Radius
- 0.001 in(23)
- 0.002 in(39)
- 0.003 in(26)
- 0.004 in(16)
- 0.006 in(26)
- 0.008 in(26)
- 0.01 in(7)
- 0.012 in(13)
- 0.017 in(13)
- 0.028 in(16)
- 0.037 in(8)
to
Corner Radius
Corner Radius
- 0.025 mm(23)
- 0.05 mm(39)
- 0.076 mm(26)
- 0.1 mm(16)
- 0.151 mm(26)
- 0.2 mm(26)
- 0.225 mm(7)
- 0.301 mm(13)
- 0.426 mm(13)
- 0.701 mm(16)
- 0.925 mm(8)
to
Application
Grade Of Cutting Tool
Grade Of Cutting Tool
- K00331 (16)
- K68 (23)
- KC5010 (23)
- KC5025 (52)
- KC710 (24)
- KC720 (47)
- KC722 (23)
- KC730 (52)
- KU25T (23)
- SP4066 (10)
Hand Of Tool
Hand Of Tool
- L (21)
- R (31)
F Dimension
F Dimension
- 7.101 mm(4)
- 7.301 mm(4)
- 8.9 mm(5)
- 10.3 mm(1)
- 11.3 mm(2)
- 11.5 mm(2)
- 11.675 mm(4)
- 11.701 mm(1)
- 12.951 mm(4)
- 13.4 mm(3)
- 15.601 mm(2)
- 15.8 mm(1)
- 16.1 mm(2)
- 16.3 mm(2)
- 16.5 mm(3)
- 17.2 mm(2)
- 17.401 mm(1)
- 18.026 mm(3)
- 19.55 mm(1)
- 21.5 mm(2)
- 21.6 mm(1)
- 25.8 mm(2)
to
F Dimension
F Dimension
- 0.28 in(4)
- 0.288 in(4)
- 0.351 in(5)
- 0.406 in(1)
- 0.445 in(2)
- 0.453 in(2)
- 0.46 in(4)
- 0.461 in(1)
- 0.51 in(4)
- 0.528 in(3)
- 0.614 in(2)
- 0.622 in(1)
- 0.634 in(2)
- 0.642 in(2)
- 0.65 in(3)
- 0.677 in(2)
- 0.685 in(1)
- 0.71 in(3)
- 0.77 in(1)
- 0.846 in(2)
- 0.85 in(1)
- 1.016 in(2)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
- 12.701 mm(4)
- 13.0 mm(4)
- 16.0 mm(2)
- 16.5 mm(3)
- 17.0 mm(1)
- 20.0 mm(5)
- 20.326 mm(4)
- 22.85 mm(4)
- 24.0 mm(3)
- 27.0 mm(2)
- 29.0 mm(5)
- 30.475 mm(3)
- 31.75 mm(3)
- 32.0 mm(3)
- 36.825 mm(1)
- 38.1 mm(1)
- 39.0 mm(2)
- 47.0 mm(2)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
- 0.5 in(4)
- 0.512 in(4)
- 0.63 in(2)
- 0.65 in(3)
- 0.669 in(1)
- 0.787 in(5)
- 0.8 in(4)
- 0.9 in(4)
- 0.946 in(3)
- 1.063 in(2)
- 1.143 in(5)
- 1.2 in(3)
- 1.25 in(3)
- 1.26 in(3)
- 1.45 in(1)
- 1.5 in(1)
- 1.536 in(2)
- 1.85 in(2)
to
Maximum Bore Depth
Maximum Bore Depth
- 0.984 in(2)
- 1.0 in(2)
- 1.25 in(2)
- 1.26 in(3)
- 1.415 in(1)
- 1.5 in(2)
- 1.57 in(1)
- 1.575 in(3)
- 2.25 in(2)
- 2.362 in(2)
- 2.5 in(4)
- 2.52 in(2)
- 3.0 in(2)
- 3.15 in(4)
- 3.75 in(2)
- 3.781 in(1)
- 3.938 in(4)
- 4.5 in(2)
- 4.724 in(1)
- 5.0 in(2)
- 5.039 in(3)
- 5.906 in(1)
- 6.0 in(2)
- 6.299 in(2)
to
Maximum Bore Depth
Maximum Bore Depth
- 25.0 mm(2)
- 25.401 mm(2)
- 31.75 mm(2)
- 32.0 mm(3)
- 35.95 mm(1)
- 38.1 mm(2)
- 39.875 mm(1)
- 40.0 mm(3)
- 57.151 mm(2)
- 60.0 mm(2)
- 63.5 mm(4)
- 64.0 mm(2)
- 76.2 mm(2)
- 80.0 mm(4)
- 95.25 mm(2)
- 96.0 mm(1)
- 100.0 mm(4)
- 114.301 mm(2)
- 120.0 mm(1)
- 127.0 mm(2)
- 128.0 mm(3)
- 150.0 mm(1)
- 152.4 mm(2)
- 160.0 mm(2)
to
Boring Bar Material
Boring Bar Material
- C (12)
- S (40)
Front-End
Clamp Style
Clamp Style
- C (14)
- M (23)
- S (15)
Back-End
Back-End Diameter
Back-End Diameter
- 9.525 mm(2)
- 10.0 mm(2)
- 12.701 mm(1)
- 15.875 mm(2)
- 16.0 mm(3)
- 19.05 mm(10)
- 20.0 mm(12)
- 25.0 mm(5)
- 25.401 mm(2)
- 31.75 mm(6)
- 32.0 mm(5)
- 40.0 mm(2)
to
Back-End Diameter
Back-End Diameter
- 0.375 in(2)
- 0.394 in(2)
- 0.5 in(1)
- 0.625 in(2)
- 0.63 in(3)
- 0.75 in(10)
- 0.787 in(12)
- 0.984 in(5)
- 1.0 in(2)
- 1.25 in(6)
- 1.26 in(5)
- 1.575 in(2)
to
Shank Height
Shank Height
- 0.584 in(2)
- 0.606 in(1)
- 0.741 in(11)
- 0.764 in(1)
- 0.939 in(4)
- 0.961 in(1)
- 1.214 in(5)
- 1.53 in(2)
to
Shank Height
Shank Height
- 14.826 mm(2)
- 15.4 mm(1)
- 18.825 mm(11)
- 19.401 mm(1)
- 23.826 mm(4)
- 24.401 mm(1)
- 30.826 mm(5)
- 38.825 mm(2)
to
Shank Width
Shank Width
- 0.864 in(4)
- 1.141 in(5)
- 1.455 in(2)
to
Shank Width
Shank Width
- 21.951 mm(4)
- 28.951 mm(5)
- 36.95 mm(2)
to
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