LT Boring Bars
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Workpiece Material
Workpiece Material
- P Steel (68)
- P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(68)
- P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(68)
- P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(68)
- P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(68)
- P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(68)
- P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(68)
- P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(68)
- M Stainless Steel (68)
- M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(68)
- M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(68)
- M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(68)
- K Cast Iron (68)
- K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(68)
- K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(68)
- K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(68)
- N Non-Ferrous Materials (68)
- N1Wrought Aluminum (68)
- N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(68)
- N3High-Silicon Aluminum Alloys Si >12.2%(68)
- N4Copper, Brass, Zinc-based on machinability index range of 70-100 (68)
- N5Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (68)
- N6Carbon, Graphite Composites, CFRP (68)
- N7MMC's (68)
- S High-Temp Alloys (68)
- S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(68)
- S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(68)
- S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(68)
- S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(68)
- H Hardened Materials (68)
- H1Hardened Materials 44-48 HRC(68)
- H2Hardened Materials 48-55 HRC(68)
Type of Thread
Type of Thread
- 55 (60)
- 60 (68)
- ACME (47)
- API (21)
- API BUTTRESS (13)
- API RD (26)
- BSPT (47)
- BSW (60)
- M (68)
- NPT (47)
- NPTF (41)
- RD DIN 405 (43)
- STUB ACME (47)
- TR DIN 103 (64)
- UN (55)
- UNJ (39)
Cutting Edges Per Insert
Cutting Edges Per Insert
- 3.0 (68)
to
Over All Length [L]
Over All Length [L]
- 60.0 mm(1)
- 100.0 mm(4)
- 100.1 mm(2)
- 101.6 mm(2)
- 101.8 mm(2)
- 124.9 mm(2)
- 125.0 mm(2)
- 126.9 mm(2)
- 127.0 mm(2)
- 150.0 mm(2)
- 152.4 mm(2)
- 177.8 mm(8)
- 180.0 mm(11)
- 200.0 mm(5)
- 203.2 mm(1)
- 249.9 mm(1)
- 250.0 mm(6)
- 254.0 mm(11)
- 299.9 mm(1)
- 300.0 mm(2)
- 304.8 mm(3)
- 349.9 mm(1)
- 355.6 mm(1)
- 400.0 mm(1)
- 406.4 mm(1)
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Availability
GSA Approved Product
GSA Approved Product
Corner Radius
Corner Radius
- 0.0 mm(8)
- 0.025 mm(41)
- 0.05 mm(47)
- 0.075 mm(55)
- 0.1 mm(68)
- 0.125 mm(37)
- 0.15 mm(51)
- 0.175 mm(41)
- 0.2 mm(39)
- 0.225 mm(41)
- 0.25 mm(60)
- 0.275 mm(24)
- 0.3 mm(29)
- 0.325 mm(34)
- 0.35 mm(34)
- 0.375 mm(16)
- 0.4 mm(24)
- 0.425 mm(8)
- 0.45 mm(13)
- 0.5 mm(16)
- 0.525 mm(13)
- 0.55 mm(10)
- 0.6 mm(16)
- 0.625 mm(21)
- 0.65 mm(13)
- 0.7 mm(24)
- 0.925 mm(13)
- 0.95 mm(16)
- 1.0 mm(16)
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Application
Grade Of Cutting Tool
Grade Of Cutting Tool
- KC5010 (23)
- KC5025 (68)
- KC720 (7)
- KCU20B (68)
Hand Of Tool
Hand Of Tool
- L (29)
- R (47)
Wiper Insert
Wiper Insert
- N (68)
F Dimension
F Dimension
- 4.36 mm(3)
- 4.37 mm(1)
- 4.51 mm(2)
- 4.52 mm(2)
- 5.25 mm(8)
- 7.112 mm(4)
- 7.3 mm(4)
- 8.89 mm(3)
- 8.9 mm(2)
- 10.3 mm(1)
- 11.3 mm(2)
- 11.5 mm(2)
- 11.684 mm(4)
- 11.7 mm(1)
- 12.954 mm(4)
- 13.4 mm(3)
- 15.6 mm(2)
- 15.8 mm(1)
- 16.1 mm(2)
- 16.3 mm(2)
- 16.51 mm(3)
- 17.2 mm(2)
- 17.4 mm(1)
- 18.034 mm(3)
- 19.558 mm(1)
- 21.5 mm(2)
- 21.59 mm(1)
- 22.42 mm(1)
- 22.66 mm(1)
- 25.52 mm(1)
- 25.8 mm(2)
- 26.42 mm(1)
- 31.4 mm(1)
- 31.86 mm(1)
- 36.5 mm(1)
- 37.74 mm(1)
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Minimum Bore Diameter
Minimum Bore Diameter
- 6.25 mm(4)
- 6.35 mm(4)
- 7.8 mm(4)
- 7.87 mm(4)
- 12.7 mm(4)
- 13.0 mm(4)
- 16.0 mm(2)
- 16.51 mm(3)
- 17.0 mm(1)
- 20.0 mm(5)
- 20.32 mm(4)
- 22.86 mm(4)
- 24.0 mm(3)
- 27.0 mm(2)
- 29.0 mm(5)
- 30.48 mm(3)
- 31.75 mm(3)
- 32.0 mm(3)
- 36.83 mm(1)
- 38.1 mm(1)
- 39.0 mm(2)
- 39.4 mm(1)
- 40.0 mm(1)
- 45.7 mm(1)
- 47.0 mm(2)
- 48.0 mm(1)
- 58.0 mm(1)
- 58.4 mm(1)
- 69.0 mm(1)
- 71.12 mm(1)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
- 6.25 mm(4)
- 6.35 mm(4)
- 7.8 mm(4)
- 7.87 mm(4)
- 12.7 mm(4)
- 13.0 mm(4)
- 16.0 mm(2)
- 16.51 mm(3)
- 17.0 mm(1)
- 20.0 mm(5)
- 20.32 mm(4)
- 22.86 mm(4)
- 24.0 mm(3)
- 27.0 mm(2)
- 29.0 mm(5)
- 30.48 mm(3)
- 31.75 mm(3)
- 32.0 mm(3)
- 36.83 mm(1)
- 38.1 mm(1)
- 39.0 mm(2)
- 39.4 mm(1)
- 40.0 mm(1)
- 45.7 mm(1)
- 47.0 mm(2)
- 48.0 mm(1)
- 58.0 mm(1)
- 58.4 mm(1)
- 69.0 mm(1)
- 71.12 mm(1)
to
Maximum Bore Depth
Maximum Bore Depth
- 12.1 mm(1)
- 12.6 mm(2)
- 12.8 mm(1)
- 18.8 mm(4)
- 25.0 mm(2)
- 25.4 mm(2)
- 27.1 mm(2)
- 28.8 mm(2)
- 31.0 mm(4)
- 31.75 mm(2)
- 32.0 mm(3)
- 35.94 mm(1)
- 38.1 mm(2)
- 39.878 mm(1)
- 40.0 mm(3)
- 57.15 mm(2)
- 59.7 mm(1)
- 59.9 mm(1)
- 60.0 mm(2)
- 61.9 mm(1)
- 63.5 mm(4)
- 63.9 mm(1)
- 64.0 mm(2)
- 74.9 mm(2)
- 75.0 mm(1)
- 76.2 mm(3)
- 80.0 mm(4)
- 95.25 mm(2)
- 96.0 mm(1)
- 100.0 mm(4)
- 114.3 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 (56)
- S/C (8)
Front-End
Clamp Style
Clamp Style
- C (14)
- M (23)
- S (39)
Insert Geometry
Cutting Tool Material
Cutting Tool Material
- H W (68)
Back-End
Back-End Diameter
Back-End Diameter
- 6.0 mm(2)
- 6.35 mm(2)
- 7.9375 mm(2)
- 8.0 mm(2)
- 9.525 mm(2)
- 10.0 mm(2)
- 12.0 mm(2)
- 12.7 mm(3)
- 15.875 mm(4)
- 16.0 mm(5)
- 19.05 mm(10)
- 20.0 mm(12)
- 25.0 mm(5)
- 25.4 mm(2)
- 31.75 mm(7)
- 32.0 mm(6)
- 38.1 mm(1)
- 40.0 mm(3)
- 50.0 mm(1)
- 50.8 mm(1)
- 60.0 mm(1)
- 63.5 mm(1)
to
Shank Height
Shank Height
- 14.82 mm(2)
- 15.41 mm(1)
- 18.82 mm(11)
- 19.41 mm(1)
- 23.82 mm(4)
- 24.41 mm(1)
- 30.82 mm(5)
- 38.82 mm(2)
to
Shank Width
Shank Width
- 21.96 mm(4)
- 28.96 mm(5)
- 36.96 mm(2)
to
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