A4™ • Double-Ended Grooving
Maximize your machining capabilities with Kennametal's A4™ double-ended grooving solutions. These cutting-edge tools offer a versatile range of inserts, boring bars, modular tooling, and toolholders to meet the demands of several operations. With the A4™ series, you can streamline your operations by using a single tool for turning, facing, grooving, and face grooving in both Outer Diameter (O.D.) and Inner Diameter (I.D.) applications. The A4 series eliminates the need for frequent turret indexes, resulting in exceptionally fast cycle times. The system offers an extra-long clamping area, a precision-ground 120° bottom prism seating surface, and an exclusive top guide rail. These features work in harmony to provide unparalleled stability during grooving and side-turning operations, ensuring precise insert positioning and delivering accurate cuts. When it comes to optimizing your machining capabilities, Kennametal's A4™ double-ended grooving tools provide the solutions you need.
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Workpiece Material
Workpiece Material
- P Steel (399)
- P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(399)
- P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(399)
- P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(399)
- P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(399)
- P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(399)
- P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(399)
- P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(399)
- M Stainless Steel (387)
- M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(387)
- M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(387)
- M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(387)
- K Cast Iron (402)
- K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(402)
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Applications
Applications
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Turning (183)
Cutting Condition Material
Cutting Condition Material
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Cutting Condition
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Tool Cutting Edge Angle
Tool Cutting Edge Angle
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- 92.25 (27)
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Connection Style
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Cutting Edges Per Insert
Cutting Edges Per Insert
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Over All Length [L]
Over All Length [L]
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- 10.024 in(1)
- 11.811 in(6)
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- 12.024 in(2)
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Over All Length [L]
Over All Length [L]
- 52.746 mm(11)
- 52.75 mm(20)
- 54.75 mm(46)
- 54.751 mm(1)
- 57.6129 mm(2)
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Corner Radius
Corner Radius
- 0.2 mm(200)
- 0.4 mm(227)
- 0.8 mm(150)
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- 4.75 mm(8)
- 4.775 mm(9)
- 5.0 mm(10)
- 5.025 mm(12)
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Corner Chamfer
Corner Chamfer
- 0.0 mm(229)
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Corner Chamfer
Corner Chamfer
- 0.0 in(229)
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Application
Minimum Depth of Cut
Minimum Depth of Cut
Minimum Feed
Minimum Feed
Grade Of Cutting Tool
Grade Of Cutting Tool
- K1025 (101)
- K313 (271)
- KB1630 (194)
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Hand Of Tool
Hand Of Tool
- L (104)
- N (9)
- R (133)
Wiper Insert
Wiper Insert
- N (299)
Drilling Condition Material
Drilling Condition Material
- H-All (19)
- K-All (72)
- M-All (48)
- N-All (48)
- P-All (51)
- S-All (51)
F Dimension
F Dimension
- 8.17 mm(1)
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F Dimension
F Dimension
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Minimum Bore Diameter
Minimum Bore Diameter
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Minimum Bore Diameter
Minimum Bore Diameter
- 17.0000 mm(3)
- 21.0000 mm(3)
- 25.0000 mm(11)
- 26.0000 mm(5)
- 32.0000 mm(11)
- 40.0000 mm(6)
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Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
- 16.0 mm(4)
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- 19.99 mm(1)
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Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
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Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
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Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
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- 24.994 mm(1)
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Cutting Direction
Cutting Direction
- E (193)
- S (53)
Rake Angle Style
Rake Angle Style
- NEGATIVE-ZERO (14)
- NEUTRAL (ZERO) (57)
- POSITIVE-ZERO (129)
Maximum Bore Depth
Maximum Bore Depth
- 1.56 in(1)
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Maximum Bore Depth
Maximum Bore Depth
- 40.0 mm(11)
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- 63.5 mm(1)
- 63.74 mm(1)
- 64.0 mm(11)
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- 101.6 mm(2)
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Boring Bar Material
Boring Bar Material
- S (55)
Front-End
Adapter Front-End
Adapter Front-End
- CARTRIDGE MOUNT (3)
Clamp Style
Clamp Style
- Y (309)
Cutting Width
Cutting Width
- 0.078 in(55)
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Cutting Width
Cutting Width
- 1.99 mm(55)
- 2.0 mm(77)
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- 2.12 mm(55)
- 2.38 mm(1)
- 2.388 mm(1)
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Front End Type
Front End Type
- MCS - Modular Cartridge System (3)
Insert Shape
Insert Shape
- PRISMATIC (423)
Cartridge Size
Cartridge Size
- 50 (94)
- 65 (21)
Front End Style
Front End Style
- MCS01 Modular Deep Grooving (3)
Insert Size
Insert Size
- 10 (4)
- 2 (25)
- 2S (11)
- 3 (31)
- 3S (8)
- 4 (33)
- 4S (1)
- 5 (23)
- 5S (1)
- 6 (25)
- 8 (9)
Maximum Cutting Depth
Maximum Cutting Depth
- 0.1969 in(3)
- 0.2756 in(8)
- 0.289 in(2)
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- 0.5709 in(4)
- 0.6299 in(7)
- 0.642 in(1)
- 0.646 in(7)
- 0.65 in(1)
- 0.6693 in(29)
- 0.689 in(3)
- 0.748 in(20)
- 0.7874 in(15)
- 0.8661 in(4)
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- 1.0236 in(12)
to
Maximum Cutting Depth
Maximum Cutting Depth
- 5.0 mm(3)
- 7.0 mm(13)
- 8.0 mm(5)
- 8.001 mm(1)
- 9.0 mm(1)
- 10.0 mm(16)
- 11.0 mm(3)
- 12.0 mm(43)
- 13.5 mm(9)
- 13.995 mm(2)
- 14.0 mm(85)
- 14.5 mm(4)
- 16.0 mm(16)
- 17.0 mm(29)
- 17.5 mm(3)
- 18.999 mm(1)
- 19.0 mm(19)
- 20.0 mm(15)
- 22.0 mm(4)
- 24.0 mm(25)
- 25.999 mm(6)
- 26.0 mm(6)
to
Gage Length
Gage Length
- 2.3031 in(1)
- 2.5000 in(2)
- 5.4390 in(1)
- 5.4630 in(2)
- 5.4820 in(2)
- 5.5080 in(6)
- 5.5280 in(4)
- 5.5335 in(3)
- 5.9060 in(2)
- 6.0000 in(4)
- 6.2500 in(2)
- 6.2700 in(2)
- 6.6930 in(1)
- 7.0000 in(2)
Gage Length
Gage Length
- 58.5000 mm(1)
- 63.5000 mm(2)
- 138.1500 mm(1)
- 138.7500 mm(2)
- 139.2500 mm(2)
- 139.9000 mm(5)
- 139.9030 mm(1)
- 140.4000 mm(4)
- 140.5500 mm(3)
- 150.0000 mm(2)
- 152.4000 mm(4)
- 158.7500 mm(2)
- 159.2500 mm(2)
- 170.0000 mm(1)
- 177.8000 mm(2)
Maximum Cutting Insert Depth
Maximum Cutting Insert Depth
- 1.64 mm(1)
- 1.65 mm(4)
- 1.76 mm(4)
- 2.48 mm(5)
- 2.5 mm(2)
- 2.58 mm(6)
- 2.73 mm(4)
- 3.45 mm(6)
- 3.8 mm(5)
- 4.07 mm(5)
- 4.1 mm(1)
- 4.15 mm(6)
- 4.2 mm(1)
- 4.4 mm(1)
- 4.8 mm(5)
- 4.9 mm(6)
- 5.0 mm(1)
- 5.3 mm(4)
- 6.28 mm(1)
- 6.4 mm(4)
- 6.5 mm(6)
- 7.3 mm(1)
- 8.2 mm(3)
to
Maximum Cutting Insert Depth
Maximum Cutting Insert Depth
- 0.064 in(1)
- 0.065 in(4)
- 0.069 in(4)
- 0.097 in(1)
- 0.098 in(6)
- 0.101 in(6)
- 0.108 in(4)
- 0.136 in(6)
- 0.148 in(1)
- 0.149 in(4)
- 0.159 in(1)
- 0.16 in(5)
- 0.163 in(6)
- 0.164 in(1)
- 0.173 in(1)
- 0.188 in(1)
- 0.189 in(4)
- 0.194 in(6)
- 0.196 in(1)
- 0.208 in(4)
- 0.247 in(1)
- 0.252 in(3)
- 0.254 in(1)
- 0.256 in(6)
- 0.289 in(1)
- 0.322 in(3)
to
Minimum Groove Diameter
Minimum Groove Diameter
- 2.7559 in(3)
- 3.5433 in(2)
- 4.7244 in(4)
to
Minimum Groove Diameter
Minimum Groove Diameter
- 70.0 mm(3)
- 90.0 mm(2)
- 120.0 mm(4)
to
Insert Geometry
Shape
Shape
- PRISMATIC (114)
Insert Seat Size
Insert Seat Size
- 10 (7)
- 2 (8)
- 2S (1)
- 3 (23)
- 3S (1)
- 4 (19)
- 5 (18)
- 5S (1)
- 6 (23)
- 8 (13)
Cutting Tool Material
Cutting Tool Material
- B H (194)
- B L (190)
- C N (219)
- D P (154)
- H T (246)
- H W (402)
Back-End
Connection Type
Connection Type
- BORING BAR (55)
- SQUARE SHANK (191)
System Size
System Size
- KM63XMZ (3)
Back-End Diameter
Back-End Diameter
- 15.875 mm(1)
- 16.0 mm(2)
- 19.0 mm(1)
- 19.05 mm(5)
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- 31.75 mm(4)
- 32.0 mm(6)
- 38.1 mm(5)
- 40.0 mm(6)
- 50.8 mm(1)
- 63.0 mm(3)
to
Back-End Diameter
Back-End Diameter
- 2.4803 in(3)
to
Shank Height
Shank Height
- 0.4724 in(5)
- 0.5 in(6)
- 0.625 in(9)
- 0.628 in(1)
- 0.6299 in(7)
- 0.63 in(1)
- 0.75 in(24)
- 0.7874 in(49)
- 0.9843 in(36)
- 1.0 in(33)
- 1.25 in(9)
- 1.2598 in(10)
- 1.5 in(1)
to
Shank Height
Shank Height
- 12.0 mm(5)
- 12.7 mm(6)
- 15.875 mm(9)
- 16.0 mm(9)
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- 31.75 mm(9)
- 32.0 mm(10)
- 38.1 mm(1)
to
Shank Width
Shank Width
- 0.4724 in(5)
- 0.5 in(6)
- 0.624 in(1)
- 0.625 in(9)
- 0.628 in(1)
- 0.6299 in(8)
- 0.743 in(1)
- 0.75 in(23)
- 0.7874 in(48)
- 0.9843 in(46)
- 1.0 in(33)
- 1.25 in(9)
- 1.5 in(1)
to
Shank Width
Shank Width
- 12.0 mm(5)
- 12.7 mm(6)
- 15.875 mm(9)
- 16.0 mm(10)
- 18.86 mm(1)
- 19.05 mm(23)
- 20.0 mm(48)
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- 25.4 mm(33)
- 31.75 mm(9)
- 38.1 mm(1)
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