A2™ • Single-Ended Cut-Off
If your machining operations depend on accurate single-ended cut-off tools, you can immediately improve your processes with A2 cut-off tools. These solid carbide tools are optimal for high-speed applications with cast iron, non-ferrous metals, and other tough workpiece materials. When you use cut-off tools from Kennametal's A2 line, you achieve consistency while reducing downtime with inferior tools. If you have questions about our A2 line or need a specialty tool, our design team is ready to assist.
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Workpiece Material
Workpiece Material
- P Steel (253)
- P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(253)
- P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(253)
- P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(253)
- P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(253)
- P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(253)
- P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(253)
- P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(253)
- M Stainless Steel (233)
- M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(233)
- M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(233)
- M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(233)
- K Cast Iron (196)
- K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(196)
- K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(196)
- K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(196)
- N Non-Ferrous Materials (212)
- N1Wrought Aluminum (212)
- N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(211)
- N4Copper, Brass, Zinc-based on machinability index range of 70-100 (212)
- N5Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (211)
- N6Carbon, Graphite Composites, CFRP (211)
- S High-Temp Alloys (218)
- S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(218)
- S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(218)
- S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(218)
- S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(218)
Applications
Applications
Cut-Off (255)
Face Grooving (62)
Grooving (62)
ID Grooving (62)
Cutting Condition
Cutting Condition
- Heavily Interrupted Cut (209)
- Lightly Interrupted Cut (245)
- Smooth Cut (254)
Tool Cutting Edge Angle
Tool Cutting Edge Angle
- 90.0 (76)
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Connection Style
Connection Style
- Cutoff Support Blade A1-A3 (36)
- Toolholder (40)
Cutting Edges Per Insert
Cutting Edges Per Insert
- 1.0 (255)
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Internal Coolant Capability
Internal Coolant Capability
Over All Length [L]
Over All Length [L]
- 2.9528 in(2)
- 3.3858 in(7)
- 3.396 in(2)
- 3.5512 in(2)
- 3.553 in(1)
- 3.9449 in(1)
- 4.3307 in(18)
- 4.331 in(2)
- 4.3386 in(2)
- 4.341 in(12)
- 4.3425 in(1)
- 4.5 in(5)
- 4.9213 in(8)
- 4.931 in(4)
- 5.0 in(6)
- 5.118 in(2)
- 5.1181 in(4)
- 5.315 in(3)
- 5.905 in(1)
- 5.9055 in(2)
- 5.913 in(1)
- 5.9134 in(2)
- 5.915 in(4)
- 5.9173 in(2)
- 6.0 in(4)
- 10.242 in(1)
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Over All Length [L]
Over All Length [L]
- 75.0 mm(2)
- 86.0 mm(7)
- 86.25 mm(2)
- 90.2 mm(2)
- 90.25 mm(1)
- 100.2 mm(1)
- 110.0 mm(20)
- 110.2 mm(2)
- 110.25 mm(12)
- 110.3 mm(1)
- 114.3 mm(5)
- 125.0 mm(8)
- 125.25 mm(4)
- 127.0 mm(6)
- 130.0 mm(6)
- 135.0 mm(3)
- 150.0 mm(3)
- 150.2 mm(3)
- 150.25 mm(4)
- 150.3 mm(2)
- 152.4 mm(4)
- 260.15 mm(1)
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Corner Radius
Corner Radius
- 0.004 in(51)
- 0.006 in(23)
- 0.008 in(122)
- 0.012 in(92)
- 0.016 in(15)
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Corner Radius
Corner Radius
- 0.1 mm(51)
- 0.15 mm(23)
- 0.2 mm(122)
- 0.3 mm(92)
- 0.4 mm(15)
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Corner Chamfer
Corner Chamfer
- 0.0 mm(179)
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Corner Chamfer
Corner Chamfer
- 0.0 in(179)
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Application
Grade Of Cutting Tool
Grade Of Cutting Tool
- KC5025 (125)
- KCU25 (132)
- KCU25B (139)
- KMF (31)
- KMS (20)
- KT315 (77)
Hand Of Tool
Hand Of Tool
- L (24)
- N (22)
- R (30)
Wiper Insert
Wiper Insert
- N (255)
F Dimension
F Dimension
- 1.25 mm(3)
- 9.627 mm(2)
- 10.125 mm(1)
- 12.125 mm(1)
- 12.2 mm(4)
- 12.36 mm(4)
- 12.802 mm(2)
- 12.929 mm(2)
- 16.2 mm(2)
- 16.36 mm(2)
- 19.152 mm(1)
- 19.406 mm(4)
- 20.1 mm(1)
- 20.2 mm(2)
- 20.25 mm(1)
- 20.36 mm(4)
- 25.3 mm(2)
- 25.36 mm(1)
- 25.756 mm(4)
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F Dimension
F Dimension
- 0.0492 in(3)
- 0.379 in(2)
- 0.399 in(1)
- 0.477 in(1)
- 0.48 in(3)
- 0.4803 in(1)
- 0.4866 in(4)
- 0.504 in(2)
- 0.509 in(2)
- 0.6378 in(2)
- 0.6441 in(2)
- 0.754 in(1)
- 0.764 in(4)
- 0.7913 in(1)
- 0.7953 in(2)
- 0.7972 in(1)
- 0.8016 in(4)
- 0.996 in(2)
- 0.9984 in(1)
- 1.014 in(4)
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Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
- 0.7874 in(6)
- 0.79 in(6)
- 1.1811 in(4)
- 1.3386 in(1)
- 1.4961 in(1)
- 1.65 in(1)
- 1.6535 in(5)
- 1.654 in(9)
- 1.772 in(2)
- 2.0472 in(6)
- 2.05 in(2)
- 2.44 in(6)
- 2.4409 in(4)
- 2.56 in(2)
- 2.5984 in(4)
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Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
- 20.0 mm(6)
- 20.066 mm(6)
- 30.0 mm(4)
- 34.0 mm(1)
- 38.0 mm(1)
- 41.91 mm(1)
- 42.0 mm(14)
- 45.0 mm(2)
- 52.0 mm(6)
- 52.07 mm(2)
- 61.976 mm(6)
- 62.0 mm(4)
- 63.0 mm(2)
- 66.0 mm(4)
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Cutting Direction
Cutting Direction
- E (76)
Rake Angle Style
Rake Angle Style
- NEUTRAL (ZERO) (53)
- POSITIVE-ZERO (20)
Front-End
Clamp Style
Clamp Style
- Y (76)
Cutting Width
Cutting Width
- 0.055 in(6)
- 0.061 in(14)
- 0.063 in(36)
- 0.087 in(63)
- 0.118 in(73)
- 0.1201 in(35)
- 0.122 in(34)
- 0.157 in(25)
- 0.159 in(9)
- 0.1594 in(15)
- 0.197 in(15)
- 0.236 in(10)
- 0.315 in(7)
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Cutting Width
Cutting Width
- 1.4 mm(6)
- 1.55 mm(14)
- 1.6 mm(36)
- 2.2 mm(63)
- 3.0 mm(73)
- 3.05 mm(35)
- 3.1 mm(34)
- 4.0 mm(25)
- 4.05 mm(17)
- 5.0 mm(15)
- 6.0 mm(10)
- 8.0 mm(7)
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Insert Shape
Insert Shape
- PRISMATIC (255)
Insert Size
Insert Size
- 1 (5)
- 2 (2)
- 3 (7)
- 4 (1)
Maximum Cutting Depth
Maximum Cutting Depth
- 0.39 in(6)
- 0.3937 in(3)
- 0.394 in(3)
- 0.5906 in(3)
- 0.6299 in(13)
- 0.63 in(6)
- 0.6693 in(1)
- 0.748 in(1)
- 0.7874 in(1)
- 0.8268 in(9)
- 0.9843 in(3)
- 1.02 in(5)
- 1.0236 in(5)
- 1.2992 in(4)
- 1.5748 in(6)
- 1.9685 in(3)
- 2.3622 in(3)
- 4.7244 in(1)
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Maximum Cutting Depth
Maximum Cutting Depth
- 9.906 mm(6)
- 10.0 mm(6)
- 15.0 mm(3)
- 16.0 mm(15)
- 16.002 mm(4)
- 17.0 mm(1)
- 19.0 mm(1)
- 20.0 mm(1)
- 21.0 mm(9)
- 25.0 mm(3)
- 25.908 mm(5)
- 26.0 mm(5)
- 33.0 mm(4)
- 40.0 mm(6)
- 50.0 mm(3)
- 60.0 mm(3)
- 120.0 mm(1)
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Insert Geometry
Shape
Shape
- PRISMATIC (179)
Insert Seat Size
Insert Seat Size
- 1 (28)
- 1B (3)
- 2 (44)
- 3 (49)
- 4 (28)
- 5 (13)
- 6 (8)
- 8 (6)
Cutting Tool Material
Cutting Tool Material
- H T (77)
- H W (246)
Back-End
Connection Type
Connection Type
- CUTOFF BLADE (36)
- SQUARE SHANK (40)
Shank Height
Shank Height
- 0.375 in(2)
- 0.394 in(1)
- 0.472 in(3)
- 0.4724 in(6)
- 0.5 in(4)
- 0.6299 in(4)
- 0.748 in(2)
- 0.75 in(5)
- 0.7874 in(8)
- 0.9843 in(3)
- 1.0 in(4)
- 1.02 in(2)
- 1.022 in(2)
- 1.0224 in(1)
- 1.023 in(1)
- 1.0236 in(11)
- 1.2589 in(2)
- 1.259 in(2)
- 1.2598 in(6)
- 1.26 in(6)
- 2.0659 in(1)
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Shank Height
Shank Height
- 9.525 mm(2)
- 10.0 mm(1)
- 12.0 mm(9)
- 12.7 mm(4)
- 16.0 mm(4)
- 19.0 mm(2)
- 19.05 mm(5)
- 20.0 mm(8)
- 25.0 mm(3)
- 25.4 mm(4)
- 26.0 mm(17)
- 32.0 mm(16)
- 52.475 mm(1)
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Shank Width
Shank Width
- 0.07 in(1)
- 0.0701 in(1)
- 0.0709 in(5)
- 0.071 in(1)
- 0.078 in(1)
- 0.094 in(1)
- 0.0945 in(6)
- 0.134 in(2)
- 0.1732 in(2)
- 0.2126 in(2)
- 0.2756 in(1)
- 0.313 in(13)
- 0.375 in(2)
- 0.394 in(1)
- 0.472 in(1)
- 0.4724 in(8)
- 0.5 in(4)
- 0.6299 in(4)
- 0.75 in(5)
- 0.7874 in(8)
- 0.9843 in(3)
- 1.0 in(4)
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Shank Width
Shank Width
- 1.78 mm(3)
- 1.8 mm(6)
- 2.4 mm(7)
- 3.4 mm(2)
- 4.4 mm(2)
- 5.4 mm(2)
- 7.0 mm(1)
- 7.95 mm(13)
- 9.525 mm(2)
- 10.0 mm(1)
- 12.0 mm(9)
- 12.7 mm(4)
- 16.0 mm(4)
- 19.05 mm(5)
- 20.0 mm(8)
- 25.0 mm(3)
- 25.4 mm(4)
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