Suggestions

Product Suggestions

Product Categories

Resources

Order Products Online
successfully added to cart
View Cart
COVID-19: How WIDIA is responding

LEARN MORE

TopThread™

Select Filters
Filters
Filters
Filters
View filters in
Metric
Inch
Key Filters
Workpiece Material
  • P Steel (305)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (305)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (305)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS
      (305)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS
      (305)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS
      (305)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS
      (305)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS
      (305)
  • M Stainless Steel (305)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS
      (305)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS
      (305)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS
      (305)
  • K Cast Iron (305)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS
      (305)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS
      (305)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
      (305)
  • N Non-Ferrous Materials (305)
    • N1
      Wrought Aluminum
      (305)
    • N2
      Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%
      (305)
    • N3
      High-Silicon Aluminum Alloys Si >12.2%
      (305)
    • N4
      Copper, Brass, Zinc-based on machinability index range of 70-100
      (162)
    • N5
      Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass
      (305)
    • N6
      Carbon, Graphite Composites, CFRP
      (305)
    • N7
      MMC's
      (162)
  • S High-Temp Alloys (305)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS
      (305)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS
      (305)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS
      (305)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS
      (305)
  • H Hardened Materials (107)
    • H1
      Hardened Materials 44-48 HRC
      (107)
    • H2
      Hardened Materials 48-55 HRC
      (107)
    • H3
      Hardened Materials 56-60 HRC
      (16)
    • H4
      Hardened Materials >60 HRC
      (16)
Select First Choice
  • IN (2)
Applications
  • Back Boring Back Boring (29)
  • Blind & Cross Hole Finishing Blind & Cross Hole Finishing (20)
  • Blind Hole Finishing Blind Hole Finishing (20)
  • Chamfer Turning Chamfer Turning (27)
  • Cut-Off Cut-Off (215)
  • Deep Grooving Deep Grooving (215)
  • Face Grooving Face Grooving (215)
  • Facing Facing (35)
  • Grooving Grooving (221)
  • ID Facing ID Facing (195)
  • ID Grooving ID Grooving (217)
  • ID Thread Turning ID Thread Turning (299)
  • Multiple Direction Cutting Multiple Direction Cutting (231)
  • OD Thread Turning OD Thread Turning (303)
  • Plunge Turning Plunge Turning (27)
  • Profiling Profiling (215)
  • TRN Boring TRN Boring (221)
  • Threading Threading (215)
  • Through & Cross Hole Finishing Through & Cross Hole Finishing (20)
  • Through Hole Finishing Through Hole Finishing (20)
  • Turning Turning (221)
Type of Thread
  • 60 (235)
  • ACME (149)
  • API (16)
  • API RD (82)
  • BSW (48)
  • BUTTRESS (66)
  • M (20)
  • NPT (12)
  • STUB ACME (83)
  • UN (214)
  • UNJ (48)
Cutting Condition
  • Heavily Interrupted Cut (211)
  • Lightly Interrupted Cut (211)
  • Smooth Cut (216)
  • Varying Depth of Cut (211)
Tool Cutting Edge Angle
  • 90.0 (234)
to
Connection Style
  • Boring Bar Shank (53)
  • KM (28)
  • Toolholder (98)
Cutting Edges Per Insert
  • 1.0 (213)
  • 2.0 (293)
  • 4.0 (5)
to
Internal Coolant Capability
Corner configuration
Corner Radius
  • 0.026 (6)
  • 0.051 (6)
  • 0.057 (6)
  • 0.066 (12)
  • 0.076 (149)
  • 0.08 (28)
  • 0.089 (85)
  • 0.09 (119)
  • 0.094 (12)
  • 0.097 (6)
  • 0.1 (99)
  • 0.102 (129)
  • 0.114 (5)
  • 0.116 (6)
  • 0.117 (6)
  • 0.127 (12)
  • 0.131 (12)
  • 0.132 (12)
  • 0.133 (12)
  • 0.15 (12)
  • 0.155 (12)
  • 0.157 (12)
  • 0.16 (26)
  • 0.165 (144)
  • 0.173 (12)
  • 0.178 (12)
  • 0.18 (40)
  • 0.185 (40)
  • 0.19 (206)
  • 0.191 (213)
  • 0.198 (47)
  • 0.2 (79)
  • 0.202 (20)
  • 0.224 (47)
  • 0.235 (47)
  • 0.244 (6)
  • 0.25 (12)
  • 0.251 (12)
  • 0.254 (52)
  • 0.255 (6)
  • 0.269 (12)
  • 0.282 (12)
  • 0.284 (12)
  • 0.3 (47)
  • 0.315 (104)
  • 0.318 (109)
  • 0.33 (47)
  • 0.34 (48)
  • 0.343 (52)
  • 0.356 (46)
  • 0.404 (12)
  • 0.406 (12)
  • 0.43 (81)
  • 0.445 (16)
  • 0.472 (6)
  • 0.49 (12)
  • 0.5 (79)
  • 0.508 (12)
  • 0.565 (25)
  • 0.57 (39)
  • 0.572 (127)
  • 0.575 (88)
  • 0.75 (79)
  • 0.787 (158)
  • 0.902 (16)
  • 1.0 (158)
  • 1.194 (158)
  • 1.195 (39)
  • 1.25 (158)
  • 1.5 (158)
  • 1.585 (79)
  • 1.588 (143)
  • 1.59 (25)
  • 1.75 (158)
  • 1.98 (39)
  • 1.981 (46)
  • 2.0 (127)
  • 2.25 (127)
  • 2.388 (127)
  • 2.39 (2)
  • 2.5 (48)
  • 3.175 (48)
  • 3.18 (25)
to
Corner Radius
  • 0.002 (6)
  • 0.0023 (6)
  • 0.0026 (12)
  • 0.003 (149)
  • 0.0031 (28)
  • 0.0035 (119)
  • 0.0037 (12)
  • 0.0038 (6)
  • 0.004 (137)
  • 0.0045 (5)
  • 0.0046 (12)
  • 0.005 (12)
  • 0.0052 (12)
  • 0.0053 (12)
  • 0.0059 (12)
  • 0.006 (12)
  • 0.0062 (12)
  • 0.0065 (145)
  • 0.0068 (12)
  • 0.007 (12)
  • 0.0075 (213)
  • 0.0078 (47)
  • 0.0079 (6)
  • 0.008 (87)
  • 0.0088 (47)
  • 0.0093 (47)
  • 0.0096 (6)
  • 0.0099 (12)
  • 0.01 (52)
  • 0.0106 (12)
  • 0.0111 (12)
  • 0.0112 (12)
  • 0.0118 (47)
  • 0.0124 (12)
  • 0.0125 (132)
  • 0.013 (47)
  • 0.0135 (60)
  • 0.014 (46)
  • 0.0159 (12)
  • 0.016 (12)
  • 0.017 (81)
  • 0.0175 (16)
  • 0.0186 (6)
  • 0.0193 (12)
  • 0.0197 (79)
  • 0.02 (12)
  • 0.0225 (127)
  • 0.0295 (79)
  • 0.031 (158)
  • 0.0355 (16)
  • 0.0394 (158)
  • 0.047 (158)
  • 0.0492 (158)
  • 0.0591 (158)
  • 0.0625 (143)
  • 0.0689 (158)
  • 0.078 (79)
  • 0.0787 (127)
  • 0.0886 (127)
  • 0.094 (127)
  • 0.0984 (48)
  • 0.106 (6)
  • 0.125 (48)
to
Application
Minimum Depth of Cut
Minimum Depth of Cut
Minimum Feed
Minimum Feed
Grade Of Cutting Tool
  • K2885 (28)
  • K313 (32)
  • K420 (32)
  • K4H (20)
  • K68 (32)
  • KB1345 (16)
  • KB1630 (16)
  • KB5625 (12)
  • KC250 (28)
  • KC5010 (32)
  • KC5025 (32)
  • KC5410 (32)
  • KC710 (32)
  • KC720 (32)
  • KC722 (32)
  • KC730 (32)
  • KC732 (12)
  • KC810 (32)
  • KC850 (32)
  • KC910 (20)
  • KC9110 (32)
  • KC9120 (12)
  • KC9320 (32)
  • KC935 (32)
  • KC950 (32)
  • KCK20 (24)
  • KCK20B (32)
  • KCP10B (32)
  • KCP25B (32)
  • KCU10 (32)
  • KCU25 (32)
  • KD050 (6)
  • KD081 (12)
  • KD100 (14)
  • KD120 (16)
  • KD1425 (12)
  • KT175 (28)
  • KT315 (32)
  • KU10T (32)
  • KU25T (32)
  • KU30T (32)
  • KY3000 (16)
  • THM (158)
  • TN10P (143)
  • TN6010 (235)
  • TN6025 (281)
  • TN7110 (206)
  • WU10HT (40)
  • WU10PT (87)
  • WU25PT (39)
Hand Of Tool
  • L (85)
  • R (94)
Wiper Insert
  • N (305)
Minimum Axial Groove Diameter
  • 0.0 (95)
  • 0.44 (2)
  • 0.453 (2)
  • 0.728 (2)
  • 0.7283 (2)
  • 0.73 (2)
  • 0.7874 (4)
  • 0.8 (1)
  • 0.8661 (2)
  • 0.984 (1)
  • 0.9843 (1)
  • 1.0 (2)
  • 1.0236 (2)
  • 1.125 (2)
  • 1.2598 (4)
  • 1.3386 (4)
  • 1.339 (4)
  • 1.375 (4)
  • 1.5748 (4)
  • 1.626 (44)
  • 1.7323 (2)
  • 1.75 (2)
  • 1.874 (44)
  • 2.0 (2)
  • 2.126 (9)
  • 2.2 (4)
  • 2.229 (2)
  • 2.25 (2)
  • 2.252 (29)
  • 2.375 (2)
  • 2.5 (8)
  • 2.75 (4)
  • 2.7559 (2)
  • 2.812 (2)
  • 3.0 (4)
  • 3.25 (3)
  • 3.5 (54)
  • 5.5 (44)
  • 6.874 (44)
  • 8.252 (29)
  • 8.752 (29)
  • 13.11 (4)
to
Minimum Axial Groove Diameter
  • 0.0 (95)
  • 11.176 (2)
  • 11.5 (2)
  • 18.5 (4)
  • 18.542 (2)
  • 20.0 (4)
  • 20.32 (1)
  • 22.0 (2)
  • 25.0 (2)
  • 25.4 (2)
  • 26.0 (2)
  • 28.575 (1)
  • 28.58 (1)
  • 32.0 (4)
  • 34.0 (8)
  • 34.92 (2)
  • 34.925 (2)
  • 40.0 (4)
  • 41.3 (44)
  • 44.0 (2)
  • 44.45 (2)
  • 47.6 (44)
  • 50.8 (2)
  • 54.0 (9)
  • 55.88 (4)
  • 56.625 (2)
  • 57.15 (2)
  • 57.2 (29)
  • 60.325 (2)
  • 63.5 (8)
  • 69.85 (4)
  • 70.0 (2)
  • 71.425 (2)
  • 76.2 (4)
  • 82.55 (3)
  • 88.9 (54)
  • 139.7 (44)
  • 174.6 (44)
  • 209.6 (29)
  • 222.3 (29)
  • 333.0 (4)
to
Maximum Axial Groove Diameter
  • 9999.0 (216)
to
Maximum Axial Groove Diameter
  • 393.661 (216)
to
Countersunk Angle
  • 14.5 (16)
  • 27.0 (2)
  • 27.5 (2)
  • 30.0 (53)
  • 33.0 (2)
  • 45.0 (1)
to
Cutting Direction
  • E (104)
  • S (75)
Rake Angle Style
  • NEGATIVE-ZERO (3)
  • NEUTRAL (ZERO) (176)
Maximum Bore Depth
  • 12.7 (2)
  • 25.4 (12)
  • 31.26 (1)
  • 31.3 (1)
  • 32.766 (1)
  • 38.1 (1)
  • 40.0 (6)
  • 42.03 (2)
  • 48.0 (2)
  • 50.8 (37)
  • 55.09 (4)
  • 56.11 (2)
  • 63.5 (5)
  • 64.0 (2)
  • 70.02 (2)
  • 75.04 (4)
  • 76.02 (2)
  • 76.2 (2)
  • 80.0 (4)
  • 96.02 (2)
  • 100.0 (4)
  • 101.6 (4)
  • 127.0 (2)
  • 128.0 (2)
  • 152.4 (2)
  • 160.0 (3)
  • 177.8 (4)
  • 200.0 (2)
  • 203.2 (8)
  • 254.0 (5)
to
Maximum Bore Depth
  • 0.5 (2)
  • 1.0 (12)
  • 1.231 (1)
  • 1.2323 (1)
  • 1.29 (1)
  • 1.5 (1)
  • 1.575 (6)
  • 1.6547 (2)
  • 1.88 (2)
  • 2.0 (37)
  • 2.1689 (4)
  • 2.2091 (2)
  • 2.5 (5)
  • 2.5196 (1)
  • 2.52 (1)
  • 2.757 (2)
  • 2.9543 (4)
  • 2.9929 (2)
  • 3.0 (2)
  • 3.148 (1)
  • 3.1496 (1)
  • 3.15 (2)
  • 3.7803 (2)
  • 3.92 (2)
  • 3.936 (2)
  • 4.0 (4)
  • 5.0 (2)
  • 5.0392 (2)
  • 6.0 (2)
  • 6.2992 (3)
  • 7.0 (4)
  • 7.874 (2)
  • 8.0 (8)
  • 10.0 (5)
to
Boring Bar Material
  • C (2)
  • S (73)
Front-End
Clamp Style
  • N (234)
Insert Shape
  • TN-TOP NOTCH (310)
Cutting Width
  • 0.5 (79)
  • 0.787 (79)
  • 0.8 (79)
  • 0.889 (16)
  • 0.991 (16)
  • 1.0 (158)
  • 1.041 (48)
  • 1.19 (86)
  • 1.194 (132)
  • 1.199 (8)
  • 1.2 (158)
  • 1.39 (16)
  • 1.397 (16)
  • 1.4 (79)
  • 1.473 (79)
  • 1.5 (158)
  • 1.56 (40)
  • 1.57 (118)
  • 1.575 (163)
  • 1.69 (16)
  • 1.7 (79)
  • 1.702 (16)
  • 1.75 (158)
  • 1.829 (79)
  • 1.94 (16)
  • 1.95 (79)
  • 1.956 (16)
  • 1.981 (79)
  • 2.0 (158)
  • 2.007 (16)
  • 2.2 (158)
  • 2.235 (28)
  • 2.24 (56)
  • 2.25 (118)
  • 2.388 (163)
  • 2.39 (39)
  • 2.464 (12)
  • 2.5 (158)
  • 2.667 (12)
  • 2.74 (16)
  • 2.743 (28)
  • 2.75 (158)
  • 2.794 (12)
  • 2.997 (28)
  • 3.0 (206)
  • 3.099 (12)
  • 3.17 (79)
  • 3.175 (206)
  • 3.18 (33)
  • 3.2 (99)
  • 3.245 (79)
  • 3.25 (79)
  • 3.251 (28)
  • 3.27 (16)
  • 3.32 (6)
  • 3.329 (6)
  • 3.5 (206)
  • 3.607 (12)
  • 3.73 (40)
  • 3.81 (16)
  • 3.84 (79)
  • 3.96 (45)
  • 3.962 (79)
  • 3.974 (40)
  • 3.988 (12)
  • 4.0 (127)
  • 4.24 (39)
  • 4.242 (16)
  • 4.25 (40)
  • 4.3 (12)
  • 4.5 (127)
  • 4.521 (12)
  • 4.699 (14)
  • 4.775 (83)
  • 4.78 (2)
  • 4.785 (23)
  • 4.788 (25)
  • 4.8 (79)
  • 4.801 (127)
  • 4.81 (12)
  • 4.88 (40)
  • 4.95 (79)
  • 5.0 (48)
  • 5.004 (9)
  • 5.131 (4)
  • 5.41 (4)
  • 5.5 (48)
  • 5.563 (4)
  • 6.0 (48)
  • 6.35 (48)
  • 6.36 (25)
  • 6.48 (4)
to
Cutting Width
  • 0.0197 (79)
  • 0.031 (79)
  • 0.0315 (79)
  • 0.035 (16)
  • 0.039 (16)
  • 0.0394 (158)
  • 0.041 (48)
  • 0.047 (163)
  • 0.0472 (158)
  • 0.055 (16)
  • 0.0551 (79)
  • 0.058 (79)
  • 0.0591 (158)
  • 0.062 (163)
  • 0.0669 (79)
  • 0.067 (16)
  • 0.0689 (158)
  • 0.072 (79)
  • 0.076 (16)
  • 0.0768 (79)
  • 0.077 (16)
  • 0.078 (79)
  • 0.0787 (158)
  • 0.079 (22)
  • 0.0866 (158)
  • 0.088 (62)
  • 0.0886 (118)
  • 0.094 (163)
  • 0.097 (12)
  • 0.0984 (158)
  • 0.105 (12)
  • 0.108 (28)
  • 0.1083 (158)
  • 0.11 (12)
  • 0.118 (28)
  • 0.1181 (206)
  • 0.122 (12)
  • 0.125 (206)
  • 0.126 (99)
  • 0.1278 (79)
  • 0.128 (95)
  • 0.129 (16)
  • 0.131 (6)
  • 0.1378 (206)
  • 0.142 (12)
  • 0.147 (40)
  • 0.15 (16)
  • 0.151 (79)
  • 0.156 (79)
  • 0.157 (12)
  • 0.1574 (127)
  • 0.1575 (127)
  • 0.167 (49)
  • 0.1673 (40)
  • 0.169 (12)
  • 0.1771 (127)
  • 0.1772 (127)
  • 0.178 (12)
  • 0.185 (14)
  • 0.188 (127)
  • 0.189 (127)
  • 0.192 (40)
  • 0.195 (79)
  • 0.1969 (48)
  • 0.197 (9)
  • 0.202 (4)
  • 0.213 (4)
  • 0.2165 (48)
  • 0.2166 (25)
  • 0.219 (4)
  • 0.2362 (48)
  • 0.25 (48)
  • 0.255 (4)
to
Thread TPI
  • 2.0 (2)
  • 3.0 (2)
  • 4.0 (4)
  • 6.0 (3)
  • 8.0 (6)
  • 10.0 (1)
  • 11.0 (1)
  • 12.0 (5)
  • 14.0 (2)
  • 16.0 (3)
  • 20.0 (3)
  • 24.0 (2)
to
Thread TPI
  • 2.0 (2)
  • 3.0 (2)
  • 4.0 (4)
  • 6.0 (3)
  • 8.0 (6)
  • 10.0 (1)
  • 11.0 (1)
  • 12.0 (5)
  • 14.0 (2)
  • 16.0 (3)
  • 20.0 (3)
  • 24.0 (2)
to
Maximum Cutting Depth
  • 1.69 (1)
  • 3.505 (27)
  • 3.51 (32)
  • 3.81 (2)
  • 5.33 (20)
  • 5.334 (35)
  • 5.715 (1)
  • 6.1 (3)
  • 6.35 (2)
  • 7.468 (23)
  • 7.47 (12)
  • 7.62 (2)
  • 8.484 (5)
  • 10.54 (2)
  • 10.541 (5)
to
Maximum Cutting Depth
  • 0.067 (1)
  • 0.138 (43)
  • 0.1382 (16)
  • 0.15 (2)
  • 0.2098 (12)
  • 0.21 (43)