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Threading > Thread Mills (ET04) - (143205 Products)


OSG - 5/16-18 UNC 3 Flute Modified Bottoming Spiral Flute Tap - Vanadium High Speed Steel, Bright Finish, 2-23/32" OAL, Right Hand Flute, Right Hand Thread, H2, Series 290


Item #: 68572692
Brand: OSG
Model #: 2930600
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Vanadium High Speed Steel (HSSE) is made of high speed steel, carbon, vanadium carbide and other alloys to increase abrasive wear resistance and toughness. It is commonly used in general applications on stainless steels and high silicon aluminums.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
Product Specifications
Thread Size (Inch) 5/16-18
Chamfer Modified Bottoming
Thread Limit H2
Number of Flutes 3
Material Vanadium High Speed Steel
Finish/Coating Bright
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Inch) 2-23/32
Helix Angle 45
Thread Standard UNC
Thread Length (Inch) 1-1/8
Flute Type Fast Spiral
Series/List 290
Shank Diameter (Decimal Inch) 0.3180
Material Application Alloy Steel; Cast Iron; Die Steel; Hardened Steel; High Carbon Steel; Low Carbon Steel; Medium Carbon Steel

$31.38

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OSG - 1-8 UNF 4 Flute 3B Semi-Bottoming Spiral Flute Tap - Powdered Metal, TiCN Finish, 140mm OAL, Right Hand Flute, Right Hand Thread, H8, Series 16505


Item #: 49194681
Brand: OSG
Model #: 1650507008
Exact Tooling IR#: 04

Features and Benefits

Semi-bottoming chamfers are used for blind holes. They have 3 to 3-1/2 threads.
Powdered Metal (PM) is tougher and more cost effective than solid carbide. It is commonly used on highly abrasive materials including high silicon aluminums.
Titanium carbonitride (TiCN) is harder and more wear resistant than TiN. It is commonly used on stainless steels, cast iron and aluminum alloys.
Product Specifications
Thread Size (Inch) 1-8
Chamfer Semi-Bottoming
Class of Fit 3B
Thread Limit H8
Number of Flutes 4
Material Powdered Metal
Finish/Coating TiCN
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (mm) 140.00
Helix Angle Range 15 to 45
Thread Standard UNF
Thread Length (mm) 31.80
Series/List 16505
Tapping Depth (mm) 76.00
Shank Diameter (Decimal Inch) 0.8000

$227.34

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OSG - M12x1.50 Metric Fine 3 Flute Modified Bottoming Spiral Flute Tap - Vanadium High Speed Steel, TiCN Finish, 3-3/8" OAL, Right Hand Flute, Right Hand Thread, D6, Series 299


Item #: 68584390
Brand: OSG
Model #: 2992208
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Vanadium High Speed Steel (HSSE) is made of high speed steel, carbon, vanadium carbide and other alloys to increase abrasive wear resistance and toughness. It is commonly used in general applications on stainless steels and high silicon aluminums.
Titanium carbonitride (TiCN) is harder and more wear resistant than TiN. It is commonly used on stainless steels, cast iron and aluminum alloys.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
Product Specifications
Thread Size (mm) M12x1.50
Chamfer Modified Bottoming
Thread Limit D6
Number of Flutes 3
Material Vanadium High Speed Steel
Finish/Coating TiCN
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Inch) 3-3/8
Helix Angle 45
Thread Standard Metric Fine
Thread Length (Inch) 1-21/32
Flute Type Fast Spiral
Series/List 299
Shank Diameter (Decimal Inch) 0.3670
Material Application Alloy Steel; Cast Iron; Die Steel; Hardened Steel; High Carbon Steel; Low Carbon Steel; Medium Carbon Steel

$70.40

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Sandvik Coromant - 1/8-28 G 3 Flute Modified Bottoming Spiral Flute Tap - Powdered Metal, AlCrN Finish, 90mm OAL, Right Hand Flute, Right Hand Thread, H6, Series CoroTap 300


Item #: 49379225
Brand: Sandvik Coromant
Model #: 6635226
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Powdered Metal (PM) is tougher and more cost effective than solid carbide. It is commonly used on highly abrasive materials including high silicon aluminums.
Aluminum chromium nitride (AlCrN) has higher-heat resistance than AlTiN. It is commonly used for machining aircraft and aerospace material, nickel alloys, stainless steel, titanium, cast iron and carbon steel.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
Product Specifications
Thread Size (Inch) 1/8-28
Chamfer Modified Bottoming
Thread Limit H6
Number of Flutes 3
Material Powdered Metal
Finish/Coating AlCrN
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Decimal Inch) 3.5433
Overall Length (mm) 90.00
Helix Angle 45
Thread Standard G
Thread Length (Decimal Inch) 0.5118
Thread Length (mm) 13.00
Flute Type Fast Spiral
Series/List CoroTap 300
Neck Length (Decimal Inch) 2.1260
Tapping Depth (Decimal Inch) 2.6378
Tapping Depth (mm) 67.00
Shank Diameter (Decimal Inch) 0.2756
Shank Diameter (mm) 7.00

$73.49

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Emuge - 1-7/8 - 8 UNS 6 Flute 3B Modified Bottoming Spiral Flute Tap - Cobalt, Oxide Finish, 8.858" OAL, Right Hand Flute, Right Hand Thread, Series Enorm-VA


Item #: 32997850
Brand: Emuge
Model #: CU503210.5259
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
Product Specifications
Thread Size (Inch) 1-7/8 - 8
Chamfer Modified Bottoming
Class of Fit 3B
Number of Flutes 6
Material Cobalt
Finish/Coating Oxide
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Decimal Inch) 8.8580
Helix Angle 35
Thread Standard UNS
Oversize No
Thread Length (Decimal Inch) 1.2990
Flute Type Medium Spiral
Series/List Enorm-VA
Shank Diameter (Decimal Inch) 1.5190
Material Application Acid-Resistant Steel; Alloyed Steel Castings; Stainless Steel; Tool Steel

$1,339.13

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Guhring - M20x2.50 Metric 4 Flute 6H Modified Bottoming Spiral Flute Tap - Cobalt, Bright Finish, 160mm OAL, Right Hand Flute, Right Hand Thread, D6/D7, Series 1901


Item #: 58607227
Brand: Guhring
Model #: 9019010200000
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
Product Specifications
Thread Size (mm) M20x2.50
Chamfer Modified Bottoming
Class of Fit 6H
Thread Limit D6/D7
Number of Flutes 4
Material Cobalt
Finish/Coating Bright
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant Through Coolant
Overall Length (mm) 160.00
Helix Angle 40
Thread Standard Metric
Flute Type Fast Spiral
Series/List 1901

$177.43

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Accupro - 3/8-16 3 Flute 2B Modified Bottoming Spiral Flute Tap - Vanadium High Speed Steel, Oxide Finish, 2-15/16" OAL, Right Hand Flute, Right Hand Thread, H5


Item #: 62665013
Brand: Accupro
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Vanadium High Speed Steel (HSSE) is made of high speed steel, carbon, vanadium carbide and other alloys to increase abrasive wear resistance and toughness. It is commonly used in general applications on stainless steels and high silicon aluminums.
Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
Product Specifications
Thread Size (Inch) 3/8-16
Chamfer Modified Bottoming
Class of Fit 2B
Thread Limit H5
Number of Flutes 3
Material Vanadium High Speed Steel
Finish/Coating Oxide
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Decimal Inch) 2.9375
Overall Length (Inch) 2-15/16
Overall Length (mm) 74.61
Helix Angle 40
Material Grade 3% Vanadium HSS
Oversize No
Thread Length (mm) 16.00
Flute Type Fast Spiral
Shank Diameter (mm) 9.68
Material Application Stainless Steel

$26.39

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OSG - 1/2-13 UNC 3 Flute 3B Modified Bottoming Spiral Flute Tap - Vanadium High Speed Steel, TiCN Finish, 3-3/8" OAL, Right Hand Flute, Right Hand Thread, H3, Series 290


Item #: 79332722
Brand: OSG
Model #: 2932408
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Vanadium High Speed Steel (HSSE) is made of high speed steel, carbon, vanadium carbide and other alloys to increase abrasive wear resistance and toughness. It is commonly used in general applications on stainless steels and high silicon aluminums.
Titanium carbonitride (TiCN) is harder and more wear resistant than TiN. It is commonly used on stainless steels, cast iron and aluminum alloys.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
Product Specifications
Thread Size (Inch) 1/2-13
Chamfer Modified Bottoming
Class of Fit 3B
Thread Limit H3
Number of Flutes 3
Material Vanadium High Speed Steel
Finish/Coating TiCN
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Inch) 3-3/8
Helix Angle 45
Thread Standard UNC
Oversize No
Thread Length (Inch) 1-21/32
Flute Type Fast Spiral
Series/List 290
Shank Diameter (Decimal Inch) 0.3670
Material Application Alloy Steel; Carbon Steel; Cast Iron; Die Steel; Hardened Steel; Stainless Steel

$73.54

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OSG - 7/8-14 UNF 4 Flute 3B Modified Bottoming Spiral Flute Tap - Powdered Metal, TiCN Finish, 125mm OAL, Right Hand Flute, Right Hand Thread, H4, Series 16505


Item #: 92886886
Brand: OSG
Model #: 1650505108
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Powdered Metal (PM) is tougher and more cost effective than solid carbide. It is commonly used on highly abrasive materials including high silicon aluminums.
Titanium carbonitride (TiCN) is harder and more wear resistant than TiN. It is commonly used on stainless steels, cast iron and aluminum alloys.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
Product Specifications
Thread Size (Inch) 7/8-14
Chamfer Modified Bottoming
Class of Fit 3B
Thread Limit H4
Number of Flutes 4
Material Powdered Metal
Finish/Coating TiCN
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (mm) 125.00
Helix Angle 45
Thread Standard UNF
Material Grade PMT15
Thread Length (mm) 28.20
Flute Type Fast Spiral
Series/List 16505
Tapping Depth (mm) 67.00
Shank Diameter (Decimal Inch) 0.9870

$192.43

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OSG - M6x1.00 Metric Coarse 3 Flute 6H Modified Bottoming Spiral Flute Tap - Powdered Metal, TiCN Finish, 2-1/2" OAL, Right Hand Flute, Right Hand Thread, D5


Item #: 86078235
Brand: OSG
Model #: 1316110401
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Powdered Metal (PM) is tougher and more cost effective than solid carbide. It is commonly used on highly abrasive materials including high silicon aluminums.
Titanium carbonitride (TiCN) is harder and more wear resistant than TiN. It is commonly used on stainless steels, cast iron and aluminum alloys.
Slow Spiral Flutes with 8-20 degree angles are used for tough materials like high nickel alloys, titanium and some series of stainless steels.
Product Specifications
Thread Size (mm) M6x1.00
Chamfer Modified Bottoming
Class of Fit 6H
Thread Limit D5
Number of Flutes 3
Material Powdered Metal
Finish/Coating TiCN
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Inch) 2-1/2
Helix Angle 10
Thread Standard Metric Coarse
Oversize No
Thread Length (Inch) 1
Flute Type Slow Spiral
Shank Diameter (Decimal Inch) 0.2550
Material Application Hardened Steel; High Nickel Alloy; Stainless Steel; Titanium

$46.76

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Sandvik Coromant - M4x0.70 M 3 Flute 6H Spiral Flute Tap - High Speed Steel, AlCrN Finish, 63mm OAL, Right Hand Thread, Series CoroTap 300


Item #: 49656234
Brand: Sandvik Coromant
Model #: 6967032
Exact Tooling IR#: 04

Features and Benefits

High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
Aluminum chromium nitride (AlCrN) has higher-heat resistance than AlTiN. It is commonly used for machining aircraft and aerospace material, nickel alloys, stainless steel, titanium, cast iron and carbon steel.
Product Specifications
Thread Size (mm) M4x0.70
Class of Fit 6H
Number of Flutes 3
Material High Speed Steel
Finish/Coating AlCrN
Thread Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Decimal Inch) 2.4803
Overall Length (mm) 63.00
Helix Angle 45
Thread Standard M
Thread Length (Decimal Inch) 0.3307
Thread Length (mm) 8.40
Series/List CoroTap 300
Tapping Depth (Decimal Inch) 0.8465
Tapping Depth (mm) 22.00
Shank Diameter (Decimal Inch) 0.1940
Shank Diameter (mm) 4.93
Material Application Stainless Steel; Steel; High Temperature Alloys; Non-Ferrous Metals; Cast Iron

$45.05

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OSG - 5/8-18 UNF 3 Flute 3B Modified Bottoming Spiral Flute Tap - Vanadium High Speed Steel, TiN Finish, 3-13/16" OAL, Right Hand Flute, Right Hand Thread, H3, Series 303


Item #: 70851720
Brand: OSG
Model #: 1761905
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Vanadium High Speed Steel (HSSE) is made of high speed steel, carbon, vanadium carbide and other alloys to increase abrasive wear resistance and toughness. It is commonly used in general applications on stainless steels and high silicon aluminums.
Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
Product Specifications
Thread Size (Inch) 5/8-18
Chamfer Modified Bottoming
Class of Fit 3B
Thread Limit H3
Number of Flutes 3
Material Vanadium High Speed Steel
Finish/Coating TiN
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Inch) 3-13/16
Helix Angle 45
Thread Standard UNF
Thread Length (Decimal Inch) 1.8125
Flute Type Fast Spiral
Series/List 303
Shank Length (Decimal Inch) 0.4800

$100.48

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OSG - #3-56 UNF 2 Flute 2B Bottoming Spiral Flute Tap - High Speed Steel, Bright Finish, 1-13/16" OAL, Right Hand Flute, Right Hand Thread


Item #: 04621447
Brand: OSG
Model #: 2984600
Exact Tooling IR#: 04

Features and Benefits

Bottoming chamfers are used for threading blind holes. They have 1 to 2 threads.
High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
Product Specifications
Thread Size (Inch) #3-56
Chamfer Bottoming
Class of Fit 2B
Number of Flutes 2
Material High Speed Steel
Finish/Coating Bright
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Inch) 1-13/16
Helix Angle 50
Thread Standard UNF
Oversize No
Thread Length (Inch) 1/2
Flute Type Fast Spiral
Shank Diameter (Decimal Inch) 0.1410
Material Application Aluminum; Carbon Steel

$23.94

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Emuge - 7/8-9 UNC 3 Flute 2BX Plug Spiral Flute Tap - Cobalt, Nitride Finish, 5.512" OAL, Left Hand Flute, Right Hand Thread, Series Rekord C-Ti


Item #: 06317473
Brand: Emuge
Model #: CU306001.5017
Exact Tooling IR#: 04

Features and Benefits

Plug chamfers are the most commonly used chamfer and are designed for efficiently threading through and blind holes. They have 3 to 5 threads.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Nitride is a thin, hard-shell coating that supports surface hardness of the tool. It is commonly used where abrasive or wearing conditions exist.
Slow Spiral Flutes with 8-20 degree angles are used for tough materials like high nickel alloys, titanium and some series of stainless steels.
Product Specifications
Thread Size (Inch) 7/8-9
Chamfer Plug
Class of Fit 2BX
Number of Flutes 3
Material Cobalt
Finish/Coating Nitride
Thread Direction Right Hand
Flute Direction Left Hand
Through Coolant NonThrough Coolant
Overall Length (Decimal Inch) 5.5120
Helix Angle 15
Thread Standard UNC
Oversize No
Thread Length (Decimal Inch) 1.2600
Flute Type Slow Spiral
Series/List Rekord C-Ti
Shank Diameter (Decimal Inch) 0.6970
Material Application Titanium

$243.47

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OSG - #10-32 UNF 2 Flute 2B Plug Spiral Flute Tap - Vanadium High Speed Steel, TiCN Finish, 2-3/8" OAL, Left Hand Flute, Right Hand Thread, Series 13059


Item #: 80691470
Brand: OSG
Model #: 1305900408
Exact Tooling IR#: 04

Features and Benefits

Plug chamfers are the most commonly used chamfer and are designed for efficiently threading through and blind holes. They have 3 to 5 threads.
Vanadium High Speed Steel (HSSE) is made of high speed steel, carbon, vanadium carbide and other alloys to increase abrasive wear resistance and toughness. It is commonly used in general applications on stainless steels and high silicon aluminums.
Titanium carbonitride (TiCN) is harder and more wear resistant than TiN. It is commonly used on stainless steels, cast iron and aluminum alloys.
Slow Spiral Flutes with 8-20 degree angles are used for tough materials like high nickel alloys, titanium and some series of stainless steels.
Product Specifications
Thread Size (Inch) #10-32
Chamfer Plug
Class of Fit 2B
Number of Flutes 2
Material Vanadium High Speed Steel
Finish/Coating TiCN
Thread Direction Right Hand
Flute Direction Left Hand
Through Coolant NonThrough Coolant
Overall Length (Inch) 2-3/8
Helix Angle 20
Thread Standard UNF
Oversize No
Thread Length (Inch) 7/8
Flute Type Slow Spiral
Series/List 13059
Shank Diameter (Decimal Inch) 0.1940
Material Application Aluminum

$24.80

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OSG - 5/8-11 UNC 4 Flute 3B Modified Bottoming Spiral Flute Tap - Powdered Metal, Oxide Finish, 3-13/16" OAL, Right Hand Flute, Right Hand Thread, H3


Item #: 86078219
Brand: OSG
Model #: 1710701
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Powdered Metal (PM) is tougher and more cost effective than solid carbide. It is commonly used on highly abrasive materials including high silicon aluminums.
Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
Slow Spiral Flutes with 8-20 degree angles are used for tough materials like high nickel alloys, titanium and some series of stainless steels.
Product Specifications
Thread Size (Inch) 5/8-11
Chamfer Modified Bottoming
Class of Fit 3B
Thread Limit H3
Number of Flutes 4
Material Powdered Metal
Finish/Coating Oxide
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Inch) 3-13/16
Helix Angle 10
Thread Standard UNC
Oversize No
Thread Length (Inch) 1-13/16
Flute Type Slow Spiral
Shank Diameter (Decimal Inch) 0.4800
Material Application Hardened Steel; High Nickel Alloy; Stainless Steel; Titanium

$137.42

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Accupro - #10-24 3 Flute 2B Modified Bottoming Spiral Flute Tap - Vanadium High Speed Steel, Oxide Finish, 2-3/8" OAL, Right Hand Flute, Right Hand Thread


Item #: 62666813
Brand: Accupro
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Vanadium High Speed Steel (HSSE) is made of high speed steel, carbon, vanadium carbide and other alloys to increase abrasive wear resistance and toughness. It is commonly used in general applications on stainless steels and high silicon aluminums.
Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
Product Specifications
Thread Size (Inch) #10-24
Chamfer Modified Bottoming
Class of Fit 2B
Number of Flutes 3
Material Vanadium High Speed Steel
Finish/Coating Oxide
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Decimal Inch) 2.3750
Overall Length (Inch) 2-3/8
Overall Length (mm) 60.33
Helix Angle 40
Material Grade 3% Vanadium HSS
Oversize No
Thread Length (mm) 10.00
Flute Type Fast Spiral
Shank Diameter (mm) 4.93

$15.54

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OSG - 1/4-20 UNC 3 Flute Modified Bottoming Spiral Flute Tap - Vanadium High Speed Steel, Bright Finish, 2-1/2" OAL, Right Hand Flute, Right Hand Thread, H7, Series 290


Item #: 41028853
Brand: OSG
Model #: 2940200
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Vanadium High Speed Steel (HSSE) is made of high speed steel, carbon, vanadium carbide and other alloys to increase abrasive wear resistance and toughness. It is commonly used in general applications on stainless steels and high silicon aluminums.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
Product Specifications
Thread Size (Inch) 1/4-20
Chamfer Modified Bottoming
Thread Limit H7
Number of Flutes 3
Material Vanadium High Speed Steel
Finish/Coating Bright
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Inch) 2-1/2
Helix Angle 45
Thread Standard UNC
Thread Length (Inch) 1
Flute Type Fast Spiral
Series/List 290
Shank Diameter (Decimal Inch) 0.2550
Material Application Alloy Steel; Cast Iron; Die Steel; Hardened Steel; High Carbon Steel; Low Carbon Steel; Medium Carbon Steel

$25.53

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OSG - 7/8-14 UNF 4 Flute Bottoming Spiral Flute Tap - High Speed Steel, Oxide Finish, 4-11/16" OAL, Right Hand Flute, Right Hand Thread, H4, Series 303


Item #: 02286219
Brand: OSG
Model #: 0140001
Exact Tooling IR#: 04

Features and Benefits

Bottoming chamfers are used for threading blind holes. They have 1 to 2 threads.
High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
Product Specifications
Thread Size (Inch) 7/8-14
Chamfer Bottoming
Thread Limit H4
Number of Flutes 4
Material High Speed Steel
Finish/Coating Oxide
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Inch) 4-11/16
Helix Angle 45
Thread Standard UNF
Thread Length (Inch) 2
Series/List 303
Shank Diameter (Decimal Inch) 0.6970

$163.05

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Walter-Prototyp - #10-32 UNF 3 Flute 2B Modified Bottoming Spiral Flute Tap - Cobalt, Oxide Finish, 70mm OAL, Right Hand Flute, Right Hand Thread, Series M23513


Item #: 36342483
Brand: Walter-Prototyp
Model #: 6150008
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
Product Specifications
Thread Size (Inch) #10-32
Chamfer Modified Bottoming
Class of Fit 2B
Number of Flutes 3
Material Cobalt
Finish/Coating Oxide
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant NonThrough Coolant
Overall Length (Decimal Inch) 2.7559
Overall Length (mm) 70.00
Helix Angle 40
Thread Standard UNF
Material Grade M35
Oversize No
Thread Length (Decimal Inch) 0.3150
Thread Length (mm) 8.00
Flute Type Fast Spiral
Series/List M23513
Neck Length (Decimal Inch) 0.6693
Tapping Depth (Decimal Inch) 0.9843
Tapping Depth (mm) 25.00
Shank Diameter (Decimal Inch) 0.2362
Shank Diameter (mm) 6.00
Material Application Cast Steel; Gray Cast Iron; Malleable Cast Iron; Spheroidal Cast Iron; Stainless Steel; Steel; Vermicular Cast Iron

$53.06

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