TopThread™ - Toolholders
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MetricInch
Workpiece Material
Workpiece Material
- P Steel (98)
- P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(98)
- P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(98)
- P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(98)
- P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(98)
- P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(98)
- P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(98)
- P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(98)
- M Stainless Steel (98)
- M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(98)
- M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(98)
- M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(98)
- K Cast Iron (98)
- K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(98)
- K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(98)
- K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(98)
- N Non-Ferrous Materials (98)
- N1Wrought Aluminum (98)
- N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(98)
- N3High-Silicon Aluminum Alloys Si >12.2%(98)
- N4Copper, Brass, Zinc-based on machinability index range of 70-100 (98)
- N5Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (98)
- N6Carbon, Graphite Composites, CFRP (98)
- N7MMC's (98)
- S High-Temp Alloys (98)
- S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(98)
- S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(98)
- S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(98)
- S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(98)
- H Hardened Materials (96)
- H1Hardened Materials 44-48 HRC(96)
- H2Hardened Materials 48-55 HRC(96)
- H3Hardened Materials 56-60 HRC(90)
- H4Hardened Materials >60 HRC(90)
Select All Star
- DE (3)
- IN (1)
- US (22)
Applications
Applications
Chamfer Turning (6)
Cut-Off (6)
Deep Grooving (6)
Face Grooving (73)
Facing (12)
Grooving (99)
ID Grooving (22)
ID Thread Turning (26)
Multiple Direction Cutting (6)
OD Thread Turning (99)
Plunge Turning (6)
Profiling (8)
TRN Boring (6)
Turning (12)
Type of Thread
Type of Thread
- 60 (96)
- ACME (59)
- API (16)
- API RD (40)
- BSW (27)
- BUTTRESS (45)
- M (6)
- NPT (12)
- STUB ACME (40)
- UN (90)
- UNJ (27)
Cutting Condition
Cutting Condition
- Heavily Interrupted Cut (96)
- Lightly Interrupted Cut (96)
- Smooth Cut (96)
Connection Style
Connection Style
- KM (28)
- Toolholder (48)
Cutting Edges Per Insert
Cutting Edges Per Insert
- 1.0 (96)
- 2.0 (98)
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Over All Length [L]
Over All Length [L]
- 1.5748 in(2)
- 1.575 in(6)
- 1.85 in(3)
- 1.8504 in(1)
- 2.5 in(1)
- 2.7559 in(6)
- 3.1496 in(2)
- 3.15 in(1)
- 3.5 in(1)
- 3.543 in(2)
- 3.5433 in(2)
- 3.937 in(5)
- 4.0 in(2)
- 4.3307 in(4)
- 4.5 in(9)
- 4.9213 in(7)
- 5.0 in(9)
- 5.9055 in(14)
- 6.0 in(21)
- 6.6929 in(2)
to
Over All Length [L]
Over All Length [L]
- 40.0 mm(8)
- 47.0 mm(4)
- 63.5 mm(1)
- 70.0 mm(6)
- 80.0 mm(3)
- 88.9 mm(1)
- 90.0 mm(4)
- 100.0 mm(5)
- 101.6 mm(2)
- 110.0 mm(4)
- 114.3 mm(9)
- 125.0 mm(7)
- 127.0 mm(9)
- 150.0 mm(14)
- 152.4 mm(21)
- 170.0 mm(2)
to
Corner Radius
Corner Radius
- 0.001 in(6)
- 0.002 in(6)
- 0.003 in(75)
- 0.004 in(79)
- 0.005 in(12)
- 0.006 in(23)
- 0.007 in(80)
- 0.008 in(96)
- 0.009 in(27)
- 0.01 in(39)
- 0.011 in(6)
- 0.012 in(27)
- 0.013 in(57)
- 0.014 in(52)
- 0.016 in(40)
- 0.018 in(14)
- 0.019 in(6)
- 0.02 in(51)
- 0.023 in(57)
- 0.03 in(39)
- 0.031 in(79)
- 0.035 in(16)
- 0.039 in(79)
- 0.047 in(79)
- 0.049 in(64)
- 0.059 in(79)
- 0.062 in(40)
- 0.063 in(73)
- 0.069 in(79)
- 0.078 in(40)
- 0.079 in(49)
- 0.089 in(40)
- 0.094 in(50)
- 0.098 in(17)
- 0.125 in(17)
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Corner Radius
Corner Radius
- 0.025 mm(6)
- 0.05 mm(6)
- 0.075 mm(75)
- 0.1 mm(79)
- 0.125 mm(12)
- 0.15 mm(23)
- 0.175 mm(80)
- 0.2 mm(96)
- 0.225 mm(27)
- 0.25 mm(39)
- 0.275 mm(6)
- 0.3 mm(27)
- 0.325 mm(57)
- 0.35 mm(52)
- 0.4 mm(40)
- 0.45 mm(14)
- 0.475 mm(6)
- 0.5 mm(51)
- 0.575 mm(57)
- 0.75 mm(39)
- 0.775 mm(79)
- 0.9 mm(16)
- 1.0 mm(79)
- 1.2 mm(79)
- 1.25 mm(64)
- 1.5 mm(79)
- 1.575 mm(40)
- 1.6 mm(73)
- 1.75 mm(79)
- 1.975 mm(40)
- 2.0 mm(49)
- 2.25 mm(40)
- 2.4 mm(50)
- 2.5 mm(17)
- 3.175 mm(17)
to
Application
Minimum Depth of Cut
Minimum Depth of Cut
Minimum Feed
Minimum Feed
Grade Of Cutting Tool
Grade Of Cutting Tool
- K313 (32)
- K420 (32)
- K68 (32)
- KB1630 (16)
- KBH20 (6)
- KC5010 (32)
- KC5025 (32)
- KC5410 (22)
- KC720 (32)
- KC730 (32)
- KC850 (32)
- KC9110 (2)
- KCK20 (24)
- KCK20B (32)
- KCP10B (32)
- KCP25B (32)
- KCP25C (32)
- KCU10 (32)
- KCU10B (32)
- KCU25 (32)
- KCU25B (32)
- KD1425 (12)
- KT315 (22)
- THM (79)
- TN6010 (96)
- TN6025 (98)
- WU10HT (21)
- WU10PT (33)
- WU25PT (19)
Hand Of Tool
Hand Of Tool
- L (30)
- R (46)
Wiper Insert
Wiper Insert
- N (98)
F Dimension
F Dimension
- 11.0 mm(6)
- 12.0 mm(1)
- 12.7 mm(3)
- 13.0 mm(2)
- 14.275 mm(1)
- 15.875 mm(3)
- 16.0 mm(2)
- 17.0 mm(8)
- 19.05 mm(1)
- 20.0 mm(1)
- 22.0 mm(4)
- 25.0 mm(3)
- 25.4 mm(6)
- 27.0 mm(8)
- 28.0 mm(1)
- 31.75 mm(13)
- 32.0 mm(7)
- 38.1 mm(4)
- 40.0 mm(2)
to
F Dimension
F Dimension
- 0.4331 in(6)
- 0.4724 in(1)
- 0.5 in(3)
- 0.512 in(2)
- 0.562 in(1)
- 0.625 in(3)
- 0.6299 in(1)
- 0.63 in(1)
- 0.6693 in(8)
- 0.75 in(1)
- 0.787 in(1)
- 0.8661 in(4)
- 0.9843 in(3)
- 1.0 in(6)
- 1.063 in(8)
- 1.1024 in(1)
- 1.25 in(13)
- 1.2598 in(7)
- 1.5 in(4)
- 1.5748 in(2)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
- 0.0 mm(52)
- 18.5 mm(2)
- 20.0 mm(4)
- 25.0 mm(2)
- 32.0 mm(4)
- 34.0 mm(4)
- 40.0 mm(4)
- 41.3 mm(25)
- 47.6 mm(25)
- 54.0 mm(6)
- 55.88 mm(1)
- 56.625 mm(2)
- 57.2 mm(12)
- 60.325 mm(1)
- 63.5 mm(4)
- 76.2 mm(1)
- 88.9 mm(28)
- 139.7 mm(25)
- 174.6 mm(25)
- 209.6 mm(12)
- 222.3 mm(12)
to
Minimum Axial Groove Diameter
Minimum Axial Groove Diameter
- 0.0 in(52)
- 0.7283 in(2)
- 0.7874 in(4)
- 0.984 in(1)
- 0.9843 in(1)
- 1.2598 in(4)
- 1.3386 in(4)
- 1.5748 in(4)
- 1.626 in(25)
- 1.874 in(25)
- 2.126 in(6)
- 2.2 in(1)
- 2.229 in(2)
- 2.252 in(12)
- 2.375 in(1)
- 2.5 in(4)
- 3.0 in(1)
- 3.5 in(28)
- 5.5 in(25)
- 6.874 in(25)
- 8.252 in(12)
- 8.752 in(12)
to
Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
- 393.661 in(96)
to
Maximum Axial Groove Diameter
Maximum Axial Groove Diameter
- 9999.0 mm(96)
to
Cutting Direction
Cutting Direction
- E (54)
- S (22)
Rake Angle Style
Rake Angle Style
- NEGATIVE-ZERO (1)
- NEUTRAL (ZERO) (75)
Maximum Bore Depth
Maximum Bore Depth
- 1.0 in(7)
- 1.575 in(6)
- 1.6547 in(2)
- 2.0 in(13)
- 2.1689 in(4)
- 2.2091 in(2)
- 2.757 in(2)
- 2.9543 in(4)
- 2.9929 in(2)
- 3.15 in(2)
- 3.7803 in(2)
to
Maximum Bore Depth
Maximum Bore Depth
- 25.4 mm(7)
- 40.0 mm(6)
- 42.03 mm(2)
- 50.8 mm(13)
- 55.09 mm(4)
- 56.11 mm(2)
- 70.02 mm(2)
- 75.04 mm(4)
- 76.02 mm(2)
- 80.0 mm(2)
- 96.02 mm(2)
to
Boring Bar Material
Boring Bar Material
- C (2)
- S (20)
Front-End
Cutting Width
Cutting Width
- 0.0197 in(39)
- 0.031 in(39)
- 0.0315 in(39)
- 0.035 in(8)
- 0.039 in(16)
- 0.0394 in(79)
- 0.041 in(31)
- 0.047 in(79)
- 0.0472 in(79)
- 0.055 in(16)
- 0.0551 in(39)
- 0.058 in(39)
- 0.0591 in(79)
- 0.062 in(79)
- 0.0669 in(39)
- 0.067 in(16)
- 0.0689 in(79)
- 0.072 in(40)
- 0.076 in(8)
- 0.0768 in(39)
- 0.077 in(8)
- 0.078 in(40)
- 0.0787 in(79)
- 0.079 in(22)
- 0.0866 in(79)
- 0.088 in(43)
- 0.0886 in(58)
- 0.094 in(79)
- 0.097 in(12)
- 0.0984 in(79)
- 0.105 in(12)
- 0.108 in(16)
- 0.1083 in(79)
- 0.11 in(12)
- 0.118 in(20)
- 0.1181 in(90)
- 0.122 in(12)
- 0.125 in(96)
- 0.126 in(50)
- 0.1278 in(39)
- 0.128 in(25)
- 0.129 in(8)
- 0.131 in(6)
- 0.1378 in(90)
- 0.142 in(12)
- 0.15 in(23)
- 0.151 in(39)
- 0.156 in(40)
- 0.157 in(12)
- 0.1574 in(49)
- 0.1575 in(57)
- 0.167 in(4)
- 0.1673 in(27)
- 0.1771 in(57)
- 0.1772 in(51)
- 0.178 in(12)
- 0.185 in(12)
- 0.188 in(50)
- 0.189 in(57)
- 0.192 in(21)
- 0.195 in(27)
- 0.196 in(40)
- 0.1969 in(17)
- 0.197 in(2)
- 0.213 in(4)
- 0.2165 in(9)
- 0.2166 in(2)
- 0.2362 in(10)
- 0.25 in(17)
- 0.256 in(4)
to
Cutting Width
Cutting Width
- 0.5 mm(39)
- 0.787 mm(39)
- 0.8 mm(39)
- 0.889 mm(8)
- 0.991 mm(16)
- 1.0 mm(79)
- 1.041 mm(31)
- 1.19 mm(43)
- 1.194 mm(71)
- 1.2 mm(79)
- 1.39 mm(16)
- 1.397 mm(8)
- 1.4 mm(39)
- 1.473 mm(39)
- 1.5 mm(79)
- 1.57 mm(56)
- 1.575 mm(79)
- 1.69 mm(8)
- 1.7 mm(39)
- 1.702 mm(16)
- 1.75 mm(79)
- 1.829 mm(40)
- 1.94 mm(8)
- 1.95 mm(39)
- 1.956 mm(8)
- 1.981 mm(40)
- 2.0 mm(79)
- 2.007 mm(16)
- 2.2 mm(79)
- 2.235 mm(20)
- 2.236 mm(21)
- 2.24 mm(16)
- 2.25 mm(58)
- 2.387 mm(21)
- 2.388 mm(79)
- 2.39 mm(19)
- 2.464 mm(12)
- 2.5 mm(79)
- 2.667 mm(12)
- 2.74 mm(8)
- 2.743 mm(8)
- 2.75 mm(79)
- 2.794 mm(12)
- 2.997 mm(20)
- 3.0 mm(90)
- 3.099 mm(12)
- 3.17 mm(40)
- 3.175 mm(96)
- 3.18 mm(16)
- 3.2 mm(50)
- 3.245 mm(39)
- 3.25 mm(25)
- 3.251 mm(6)
- 3.27 mm(8)
- 3.32 mm(6)
- 3.5 mm(90)
- 3.607 mm(12)
- 3.81 mm(8)
- 3.82 mm(23)
- 3.835 mm(8)
- 3.84 mm(39)
- 3.96 mm(25)
- 3.962 mm(40)
- 3.974 mm(6)
- 3.988 mm(12)
- 4.0 mm(57)
- 4.242 mm(4)
- 4.25 mm(27)
- 4.5 mm(57)
- 4.521 mm(12)
- 4.699 mm(12)
- 4.775 mm(44)
- 4.78 mm(2)
- 4.785 mm(2)
- 4.788 mm(8)
- 4.8 mm(40)
- 4.801 mm(57)
- 4.88 mm(21)
- 4.95 mm(12)
- 4.953 mm(21)
- 4.978 mm(40)
- 5.0 mm(17)
- 5.004 mm(2)
- 5.41 mm(4)
- 5.5 mm(11)
- 6.0 mm(10)
- 6.35 mm(17)
- 6.36 mm(8)
- 6.502 mm(4)
to
Insert Size
Insert Size
- 1 (1)
- 2 (41)
- 3 (42)
- 4 (14)
- 6 (1)
Maximum Cutting Depth
Maximum Cutting Depth
- 0.138 in(26)
- 0.1382 in(9)
- 0.2098 in(8)
- 0.21 in(28)
- 0.225 in(1)
- 0.2402 in(1)
- 0.294 in(10)
- 0.2941 in(5)
- 0.334 in(2)
to
Maximum Cutting Depth
Maximum Cutting Depth
- 3.505 mm(12)
- 3.51 mm(23)
- 5.33 mm(16)
- 5.334 mm(20)
- 5.715 mm(1)
- 6.1 mm(1)
- 7.468 mm(8)
- 7.47 mm(7)
- 8.484 mm(2)
to
Insert Geometry
Cutting Tool Material
Cutting Tool Material
- B H (16)
- B L (6)
- D P (12)
- H T (22)
- H W (98)
Back-End
Connection Type
Connection Type
- SQUARE SHANK (48)
- TAPER SHANK (28)
System Size
System Size
- KM40TS (28)
Back-End Diameter
Back-End Diameter
- 40.0 mm(32)
to
Shank Height
Shank Height
- 0.375 in(1)
- 0.472 in(1)
- 0.4724 in(1)
- 0.5 in(4)
- 0.625 in(3)
- 0.6299 in(1)
- 0.63 in(1)
- 0.75 in(6)
- 0.7874 in(4)
- 0.9843 in(7)
- 1.0 in(12)
- 1.25 in(5)
- 1.2598 in(2)
to
Shank Height
Shank Height
- 9.525 mm(1)
- 12.0 mm(2)
- 12.7 mm(4)
- 15.875 mm(3)
- 16.0 mm(2)
- 19.05 mm(6)
- 20.0 mm(4)
- 25.0 mm(7)
- 25.4 mm(12)
- 31.75 mm(5)
- 32.0 mm(2)
to
Shank Width
Shank Width
- 0.375 in(1)
- 0.4724 in(1)
- 0.474 in(1)
- 0.5 in(4)
- 0.625 in(3)
- 0.6299 in(1)
- 0.63 in(1)
- 0.75 in(6)
- 0.7874 in(4)
- 0.9843 in(7)
- 1.0 in(13)
- 1.25 in(4)
- 1.2598 in(2)
to
Shank Width
Shank Width
- 9.525 mm(1)
- 12.0 mm(2)
- 12.7 mm(4)
- 15.875 mm(3)
- 16.0 mm(2)
- 19.05 mm(6)
- 20.0 mm(4)
- 25.0 mm(7)
- 25.4 mm(13)
- 31.75 mm(4)
- 32.0 mm(2)
to
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