Top Notch™ Toolholders
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Workpiece Material
Workpiece Material
- P Steel (126)
- P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(126)
- P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(126)
- P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(126)
- P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(126)
- P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(126)
- P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(126)
- P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(126)
- M Stainless Steel (126)
- M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(126)
- M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(126)
- M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(126)
- K Cast Iron (126)
- K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(126)
- K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(126)
- K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(126)
- N Non-Ferrous Materials (127)
- N1Wrought Aluminum (127)
- N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(123)
- N3High-Silicon Aluminum Alloys Si >12.2%(51)
- N4Copper, Brass, Zinc-based on machinability index range of 70-100 (127)
- N5Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (123)
- N6Carbon, Graphite Composites, CFRP (123)
- S High-Temp Alloys (127)
- S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(127)
- S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(127)
- S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(127)
- S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(127)
- H Hardened Materials (119)
- H1Hardened Materials 44-48 HRC(119)
- H2Hardened Materials 48-55 HRC(119)
- H3Hardened Materials 56-60 HRC(76)
- H4Hardened Materials >60 HRC(76)
Applications
Applications
- Face Grooving (127)
- Grooving (127)
- OD Thread Turning (127)
- Threading (127)
Type of Thread
Type of Thread
- 60 (119)
- ACME (81)
- API (76)
- API RD (56)
- BSW (51)
- BUTTRESS (119)
- M (75)
- NPT (51)
- STUB ACME (51)
- UN (119)
- UNJ (51)
Cutting Condition
Cutting Condition
- Heavily Interrupted Cut (123)
- Lightly Interrupted Cut (123)
- Smooth Cut (124)
Tool Cutting Edge Angle
Tool Cutting Edge Angle
- 45.0 (12)
- 90.0 (115)
to
Connection Style
Connection Style
- Toolholder (90)
Cutting Edges Per Insert
Cutting Edges Per Insert
- 1.0 (119)
- 2.0 (127)
to
Internal Coolant Capability
Internal Coolant Capability
Over All Length [L]
Over All Length [L]
- 2.5 in(4)
- 2.757 in(2)
- 3.15 in(2)
- 3.5 in(4)
- 3.938 in(4)
- 4.0 in(3)
- 4.5 in(16)
- 4.921 in(10)
- 5.0 in(16)
- 5.906 in(16)
- 6.0 in(38)
- 6.694 in(10)
- 7.0 in(2)
to
Over All Length [L]
Over All Length [L]
- 63.5 mm(4)
- 70.0 mm(2)
- 80.0 mm(2)
- 88.9 mm(4)
- 100.0 mm(4)
- 101.601 mm(3)
- 114.301 mm(16)
- 125.0 mm(10)
- 127.0 mm(16)
- 150.0 mm(16)
- 152.4 mm(38)
- 170.0 mm(10)
- 177.8 mm(2)
to
Corner Radius
Corner Radius
- 0.002 in(51)
- 0.003 in(119)
- 0.004 in(94)
- 0.005 in(51)
- 0.006 in(76)
- 0.007 in(100)
- 0.008 in(119)
- 0.01 in(100)
- 0.011 in(51)
- 0.012 in(51)
- 0.014 in(79)
- 0.016 in(56)
- 0.019 in(76)
- 0.02 in(94)
- 0.023 in(79)
- 0.03 in(43)
- 0.031 in(94)
- 0.033 in(8)
- 0.035 in(76)
- 0.039 in(94)
- 0.047 in(94)
- 0.049 in(94)
- 0.06 in(94)
- 0.062 in(51)
- 0.063 in(119)
- 0.069 in(94)
- 0.078 in(51)
- 0.079 in(76)
- 0.089 in(76)
- 0.095 in(76)
- 0.098 in(25)
- 0.125 in(25)
to
Corner Radius
Corner Radius
- 0.05 mm(51)
- 0.076 mm(119)
- 0.1 mm(94)
- 0.125 mm(51)
- 0.151 mm(76)
- 0.176 mm(100)
- 0.2 mm(119)
- 0.225 mm(51)
- 0.25 mm(100)
- 0.275 mm(51)
- 0.301 mm(51)
- 0.325 mm(79)
- 0.351 mm(76)
- 0.4 mm(56)
- 0.45 mm(76)
- 0.476 mm(27)
- 0.5 mm(94)
- 0.576 mm(79)
- 0.75 mm(43)
- 0.775 mm(94)
- 0.826 mm(8)
- 0.9 mm(76)
- 1.0 mm(94)
- 1.201 mm(94)
- 1.25 mm(94)
- 1.5 mm(94)
- 1.576 mm(51)
- 1.6 mm(119)
- 1.75 mm(94)
- 1.975 mm(51)
- 2.0 mm(76)
- 2.25 mm(76)
- 2.401 mm(76)
- 2.5 mm(25)
- 3.176 mm(25)
to
Application
Minimum Depth of Cut
Minimum Depth of Cut
Minimum Feed
Minimum Feed
Grade Of Cutting Tool
Grade Of Cutting Tool
- K2885 (94)
- K313 (119)
- K420 (127)
- K4H (70)
- K68 (127)
- KB1345 (76)
- KB1630 (76)
- KB5625 (51)
- KBH20 (27)
- KC250 (94)
- KC5010 (124)
- KC5025 (127)
- KC5410 (119)
- KC710 (119)
- KC720 (119)
- KC722 (119)
- KC730 (124)
- KC732 (51)
- KC810 (127)
- KC850 (127)
- KC910 (70)
- KC9110 (119)
- KC9120 (51)
- KC9320 (119)
- KC935 (119)
- KC950 (119)
- KCK20 (95)
- KCK20B (119)
- KCP10B (119)
- KCP25B (119)
- KCU10 (124)
- KCU10B (124)
- KCU25 (126)
- KCU25B (119)
- KD050 (27)
- KD081 (51)
- KD100 (63)
- KD120 (76)
- KD1425 (51)
- KT175 (94)
- KT315 (119)
- KU10T (119)
- KU25T (119)
- KU30T (119)
- KY3000 (76)
Hand Of Tool
Hand Of Tool
- L (39)
- R (51)
F Dimension
F Dimension
- 9.525 mm(2)
- 10.0 mm(1)
- 12.0 mm(1)
- 12.701 mm(4)
- 14.0 mm(2)
- 14.275 mm(2)
- 15.875 mm(4)
- 16.0 mm(4)
- 19.05 mm(2)
- 20.0 mm(2)
- 22.225 mm(1)
- 25.0 mm(6)
- 25.401 mm(9)
- 31.75 mm(19)
- 32.0 mm(11)
- 38.1 mm(12)
- 40.0 mm(4)
- 50.801 mm(4)
to
F Dimension
F Dimension
- 0.375 in(2)
- 0.394 in(1)
- 0.473 in(1)
- 0.5 in(4)
- 0.551 in(2)
- 0.562 in(2)
- 0.625 in(4)
- 0.63 in(4)
- 0.75 in(2)
- 0.787 in(2)
- 0.875 in(1)
- 0.984 in(6)
- 1.0 in(9)
- 1.25 in(19)
- 1.26 in(11)
- 1.5 in(12)
- 1.575 in(4)
- 2.0 in(4)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
- 0.0 mm(88)
- 38.1 mm(4)
- 41.301 mm(39)
- 47.6 mm(39)
- 55.875 mm(3)
- 56.625 mm(29)
- 57.2 mm(15)
- 60.325 mm(2)
- 63.5 mm(18)
- 76.2 mm(4)
- 88.9 mm(70)
- 127.0 mm(1)
- 139.701 mm(39)
- 146.05 mm(3)
- 174.601 mm(39)
- 209.601 mm(17)
- 222.3 mm(15)
- 333.0 mm(3)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
- 0.0 in(88)
- 1.5 in(4)
- 1.627 in(39)
- 1.874 in(39)
- 2.2 in(3)
- 2.229 in(29)
- 2.253 in(15)
- 2.375 in(2)
- 2.5 in(18)
- 3.0 in(4)
- 3.5 in(70)
- 5.0 in(1)
- 5.5 in(39)
- 5.75 in(3)
- 6.875 in(39)
- 8.252 in(17)
- 8.752 in(15)
- 13.11 in(3)
to
Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
- 393.661 in(124)
to
Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
- 9999.0 mm(124)
to
Cutting Direction
Cutting Direction
- E (80)
- S (10)
Rake Angle Style
Rake Angle Style
- NEUTRAL (ZERO) (90)
Maximum Bore Depth
Maximum Bore Depth
- 1.0 in(10)
- 2.0 in(23)
to
Maximum Bore Depth
Maximum Bore Depth
- 25.401 mm(10)
- 50.801 mm(23)
to
Front-End
Cutting Width
Cutting Width
- 0.02 in(43)
- 0.031 in(43)
- 0.035 in(43)
- 0.039 in(94)
- 0.041 in(43)
- 0.047 in(94)
- 0.055 in(43)
- 0.058 in(43)
- 0.06 in(94)
- 0.062 in(94)
- 0.067 in(43)
- 0.069 in(94)
- 0.073 in(51)
- 0.077 in(43)
- 0.078 in(51)
- 0.079 in(94)
- 0.088 in(94)
- 0.089 in(67)
- 0.094 in(27)
- 0.095 in(94)
- 0.097 in(51)
- 0.098 in(94)
- 0.105 in(51)
- 0.108 in(94)
- 0.11 in(51)
- 0.119 in(119)
- 0.122 in(51)
- 0.125 in(119)
- 0.126 in(119)
- 0.128 in(94)
- 0.129 in(43)
- 0.131 in(27)
- 0.138 in(119)
- 0.143 in(51)
- 0.147 in(24)
- 0.15 in(19)
- 0.151 in(24)
- 0.152 in(43)
- 0.156 in(51)
- 0.157 in(76)
- 0.167 in(76)
- 0.169 in(51)
- 0.177 in(76)
- 0.178 in(51)
- 0.185 in(64)
- 0.188 in(76)
- 0.189 in(76)
- 0.192 in(27)
- 0.193 in(27)
- 0.195 in(51)
- 0.196 in(51)
- 0.197 in(28)
- 0.202 in(25)
- 0.213 in(25)
- 0.217 in(25)
- 0.218 in(5)
- 0.219 in(25)
- 0.237 in(28)
- 0.25 in(33)
- 0.256 in(25)
- 0.276 in(3)
- 0.281 in(8)
- 0.312 in(8)
- 0.315 in(2)
- 0.345 in(3)
- 0.354 in(3)
- 0.375 in(8)
- 0.381 in(3)
- 0.384 in(5)
to
Cutting Width
Cutting Width
- 0.5 mm(43)
- 0.775 mm(43)
- 0.8 mm(43)
- 0.9 mm(43)
- 1.0 mm(94)
- 1.05 mm(43)
- 1.201 mm(94)
- 1.401 mm(43)
- 1.475 mm(43)
- 1.5 mm(94)
- 1.576 mm(94)
- 1.701 mm(43)
- 1.75 mm(94)
- 1.826 mm(51)
- 1.951 mm(43)
- 1.975 mm(51)
- 2.0 mm(94)
- 2.2 mm(94)
- 2.225 mm(94)
- 2.25 mm(67)
- 2.375 mm(27)
- 2.401 mm(94)
- 2.475 mm(51)
- 2.5 mm(94)
- 2.676 mm(51)
- 2.75 mm(94)
- 2.801 mm(51)
- 3.0 mm(119)
- 3.1 mm(51)
- 3.176 mm(119)
- 3.2 mm(119)
- 3.25 mm(94)
- 3.276 mm(43)
- 3.325 mm(27)
- 3.5 mm(119)
- 3.6 mm(51)
- 3.725 mm(24)
- 3.801 mm(19)
- 3.825 mm(24)
- 3.85 mm(43)
- 3.95 mm(51)
- 3.975 mm(27)
- 4.0 mm(76)
- 4.25 mm(76)
- 4.3 mm(51)
- 4.5 mm(76)
- 4.525 mm(51)
- 4.7 mm(64)
- 4.775 mm(76)
- 4.801 mm(76)
- 4.875 mm(27)
- 4.9 mm(27)
- 4.95 mm(51)
- 4.976 mm(51)
- 5.0 mm(28)
- 5.125 mm(25)
- 5.4 mm(25)
- 5.5 mm(25)
- 5.525 mm(5)
- 5.575 mm(25)
- 6.0 mm(28)
- 6.351 mm(33)
- 6.5 mm(25)
- 7.0 mm(3)
- 7.125 mm(8)
- 7.926 mm(8)
- 8.0 mm(2)
- 8.75 mm(3)
- 9.0 mm(3)
- 9.525 mm(8)
- 9.675 mm(3)
- 9.75 mm(5)
to
Insert Size
Insert Size
- 2 (18)
- 3 (18)
- 4 (8)
Maximum Cutting Depth
Maximum Cutting Depth
- 0.07 in(2)
- 0.13 in(1)
- 0.138 in(40)
- 0.21 in(39)
- 0.25 in(2)
- 0.293 in(8)
- 0.294 in(15)
- 0.3 in(1)
- 0.334 in(4)
- 0.416 in(3)
to
Maximum Cutting Depth
Maximum Cutting Depth
- 1.776 mm(2)
- 3.301 mm(1)
- 3.5 mm(40)
- 5.325 mm(39)
- 6.351 mm(2)
- 7.45 mm(8)
- 7.476 mm(15)
- 7.625 mm(1)
- 8.475 mm(4)
- 10.55 mm(3)
to
Insert Geometry
Cutting Tool Material
Cutting Tool Material
- B H (76)
- B L (51)
- C N (76)
- D P (63)
- H T (119)
- H W (127)
Back-End
Connection Type
Connection Type
- SQUARE SHANK (90)
Shank Height
Shank Height
- 0.375 in(4)
- 0.394 in(3)
- 0.473 in(3)
- 0.5 in(6)
- 0.625 in(5)
- 0.63 in(4)
- 0.75 in(10)
- 0.787 in(6)
- 0.984 in(8)
- 1.0 in(18)
- 1.25 in(12)
- 1.26 in(7)
- 1.5 in(4)
to
Shank Height
Shank Height
- 9.525 mm(4)
- 10.0 mm(3)
- 12.0 mm(3)
- 12.701 mm(6)
- 15.875 mm(5)
- 16.0 mm(4)
- 19.05 mm(10)
- 20.0 mm(6)
- 25.0 mm(8)
- 25.401 mm(18)
- 31.75 mm(12)
- 32.0 mm(7)
- 38.1 mm(4)
to
Shank Width
Shank Width
- 0.375 in(4)
- 0.394 in(3)
- 0.473 in(3)
- 0.5 in(6)
- 0.625 in(5)
- 0.63 in(4)
- 0.75 in(10)
- 0.787 in(6)
- 0.984 in(11)
- 1.0 in(18)
- 1.25 in(12)
- 1.26 in(4)
- 1.5 in(4)
to
Shank Width
Shank Width
- 9.525 mm(4)
- 10.0 mm(3)
- 12.0 mm(3)
- 12.701 mm(6)
- 15.875 mm(5)
- 16.0 mm(4)
- 19.05 mm(10)
- 20.0 mm(6)
- 25.0 mm(11)
- 25.401 mm(18)
- 31.75 mm(12)
- 32.0 mm(4)
- 38.1 mm(4)
to
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