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Emuge - 1/4-20 UNC, 3 Flute, 15° Helix, Modified Bottoming Chamfer, Nitride/Oxide Finish, Cobalt Spiral Flute STI Tap - Right Hand Flute, 3.543" OAL, 0.318" Shank Diam, 0.787" Thread Length, 3BX Class of Fit, Series Rekord D-Ti


Item #: 04661039
Brand: Emuge
Model #: BU456011.5617
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.
Nitride/Oxide is used to prevent galling, welding and loading. It is commonly used on low carbon steels, stainless steels and nonferrous metals.
Product Specifications
Thread Size (Inch) 1/4-20
Class of Fit 3BX
Number of Flutes 3
Chamfer Modified Bottoming
Finish/Coating Nitride/Oxide
Overall Length (Decimal Inch) 3.5430
Helix Angle 15
Thread Standard UNC
Material Cobalt
Flute Direction Right Hand
Thread Length (Decimal Inch) 0.7870
Series/List Rekord D-Ti
Shank Diameter (Decimal Inch) 0.3180
Material Application Titanium

$66.56

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Emuge - 1/4-20 UNC, 3 Flute, 45° Helix, Bottoming Chamfer, Bright Finish, Cobalt Spiral Flute STI Tap - Right Hand Flute, 3.543" OAL, 0.318" Shank Diam, 0.787" Thread Length, 3B Class of Fit, Series Enorm Z


Item #: 04950499
Brand: Emuge
Model #: BU513510.5617
Exact Tooling IR#: 04

Features and Benefits

Bottoming chamfers are used for threading blind holes. They have 1 to 2 threads.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Thread Size (Inch) 1/4-20
Class of Fit 3B
Number of Flutes 3
Chamfer Bottoming
Finish/Coating Bright
Overall Length (Decimal Inch) 3.5430
Helix Angle 45
Thread Standard UNC
Material Cobalt
Flute Direction Right Hand
Thread Length (Decimal Inch) 0.7870
Series/List Enorm Z
Shank Diameter (Decimal Inch) 0.3180
Material Application Acid Resistant Steel; Aluminum Alloys; Free Cutting Steel; Heat Treated Steel; Heat-Treated Materials; High Alloy Steel Castings; Nickel; Nickel Alloys; Stainless Steel; Steel Castings; Structural Steel; Titanium Alloys; Tool Steel

$58.46

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Emuge - 1/4-20 UNC, 3 Flute, NE2 Finish Cobalt, Spiral Point, Extension Pulley Tap - Plug Chamfer, 6.3" OAL, 43/64" Thread Length, 2B/3B Class of Fit


Item #: 39632310
Brand: Emuge
Model #: BU797300.5009
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.
Spiral point taps are used for tapping through holes. They have a flute geometry that shoots chips ahead of the cutting action to reduce loading and clogging within the flute.
NE2 is a proprietary nitride coating used for cutting a wide range of material including carbon steel, steel alloys, stainless steel, aluminum and copper. Ideal for short run tapping operations. NE2 is a proprietary coating exclusive to Emuge Corporation.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Product Specifications
Thread Size 1/4-20
Overall Length (Decimal Inch) 6.300
Chamfer Plug
Class of Fit 2B/3B
Number of Flutes 3
Tap Type Spiral Point
Finish/Coating NE2
Thread Standard UNC
Material Cobalt
Thread Length (Inch) 43/64
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910
Material Application Carbon Steel; Stainless Steel; Aluminum; Copper
Flute Direction Right Hand
Shank Size Type Regular

$99.77

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Emuge - 1/4-20 UNC, 3 Flute, Nitride Finish Cobalt Slow Spiral Flute Tap


Item #: 97658215
Brand: Emuge
Model #: AU306001.5009

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) 1/4-20
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) 2.5000
Overall Length (Inch) 2-1/2
Helix Angle 15
Thread Standard UNC
Oversize No
Thread Length (Decimal Inch) 0.6690
Flute Type Slow Spiral
Tapping Depth (Decimal Inch) 1.1420
Shank Diameter (Decimal Inch) 0.2550
Material Application Titanium

$52.11

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Emuge - 1/4-20 UNC, 3 Flute, Nitride Finish, Cobalt Spiral Point Tap - Modified Bottoming Chamfer, Right Hand Thread, 3.15" OAL, 0.669" Thread Length, 0.255" Shank Diam, 3BX Class of Fit, Series Rekord B


Item #: 67984617
Brand: Emuge
Model #: BU206511.5009
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 can be found with ranges between 2 to 2-1/2 threads. Some modified bottoming chamfers are 2-1/2 to 3 threads.
Nitride is a thin, hard-shell coating that supports surface hardness of the tool. It is commonly used where abrasive or wearing conditions exist.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Product Specifications
Thread Size (Inch) 1/4-20
Number of Flutes 3
Chamfer Modified Bottoming
Class of Fit 3BX
Finish/Coating Nitride
Material Cobalt
Through Coolant NonThrough Coolant
Thread Direction Right Hand
Overall Length (Decimal Inch) 3.1500
Oversize No
Thread Standard UNC
Thread Length (Decimal Inch) 0.6690
Series/List Rekord B
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910
Material Application Cobalt Alloys; Copper Alloys; Iron Alloys; Nickel Alloys; Stainless Steel

$50.92

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Emuge - 1/4-20 UNC, 3 Flute, Nitride Finish, Cobalt Spiral Point Tap - Plug Chamfer, Right Hand Thread, 2-1/2" OAL, 0.669" Thread Length, 0.255" Shank Diam, 3B Class of Fit, Series Rekord B


Item #: 52303161
Brand: Emuge
Model #: AU203010.5009
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.
Nitride is a thin, hard-shell coating that supports surface hardness of the tool. It is commonly used where abrasive or wearing conditions exist.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Product Specifications
Thread Size (Inch) 1/4-20
Number of Flutes 3
Chamfer Plug
Class of Fit 3B
Finish/Coating Nitride
Material Cobalt
Through Coolant NonThrough Coolant
Thread Direction Right Hand
Overall Length (Decimal Inch) 2.5000
Overall Length (Inch) 2-1/2
Oversize No
Thread Standard UNC
Thread Length (Decimal Inch) 0.6690
Series/List Rekord B
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910
Material Application Aluminum Alloys; Cast Iron; Copper Alloys; Stainless Steel; Steel

$43.62

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Emuge - 1/4-20 UNC, 3 Flute, Nitride Finish, Cobalt Spiral Point Tap - Plug Chamfer, Right Hand Thread, 2-1/2" OAL, 0.669" Thread Length, 0.255" Shank Diam, Series Rekord B


Item #: 08252694
Brand: Emuge
Model #: AU203044.5009
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.
Nitride is a thin, hard-shell coating that supports surface hardness of the tool. It is commonly used where abrasive or wearing conditions exist.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Product Specifications
Thread Size (Inch) 1/4-20
Number of Flutes 3
Chamfer Plug
Finish/Coating Nitride
Material Cobalt
Through Coolant NonThrough Coolant
Thread Direction Right Hand
Overall Length (Decimal Inch) 2.5000
Overall Length (Inch) 2-1/2
Oversize Yes
Thread Standard UNC
Thread Length (Decimal Inch) 0.6690
Series/List Rekord B
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910
Material Application Aluminum Alloys; Cast Iron; Copper Alloys; Stainless Steel; Steel

$48.77

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Emuge - 1/4-20 UNC, 3 Flute, Nitride/Oxide Finish, Vanadium High Speed Steel Spiral Point Tap - Plug Chamfer, Right Hand Thread, 3.15" OAL, 2B/3B Class of Fit


Item #: 67073700
Brand: Emuge
Model #: BU497300.5009
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.
Nitride/oxide is harder than oxide and is used to prevent galling, welding and loading. It is commonly used on low carbon steels, stainless steels and nonferrous metals.
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.
Product Specifications
Thread Size (Inch) 1/4-20
Number of Flutes 3
Chamfer Plug
Class of Fit 2B/3B
Finish/Coating Nitride/Oxide
Material Vanadium High Speed Steel
Through Coolant NonThrough Coolant
Thread Direction Right Hand
Overall Length (Decimal Inch) 3.1500
Oversize No
Thread Standard UNC

$17.06

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Emuge - 1/4-20 UNC, 3 Flute, TiCN Finish Cobalt Fast Spiral Flute Tap


Item #: 78181633
Brand: Emuge
Model #: BU999400.5009

Features and Benefits

Bottoming chamfers are used for threading blind holes. They have 1 to 2 threads.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
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) 1/4-20
Chamfer Bottoming
Class of Fit 2B
Number of Flutes 3
Material Cobalt
Finish/Coating TICN
Thread Direction Right Hand
Flute Direction Right Hand
Through Coolant Through Coolant
Overall Length (Decimal Inch) 3.1500
Helix Angle 45
Thread Standard UNC
Oversize No
Thread Length (Decimal Inch) 0.5120
Flute Type Fast Spiral
Tapping Depth (Decimal Inch) 1.1810
Shank Diameter (Decimal Inch) 0.2550
Material Application Acid Resistant Steel; Aluminum Alloys; Free Cutting Steel; Heat Treated Steel; Heat-Treated Materials; High Alloy Steel Castings; Nickel; Nickel Alloys; Stainless Steel; Steel Castings; Structural Steel; Titanium Alloys; Tool Steel

$83.51

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Emuge - 1/4-20 UNC, 3 Flute, TiCN Finish, Cobalt Spiral Point Tap - Plug Chamfer, Right Hand Thread, 3.15" OAL, 0.669" Thread Length, 0.255" Shank Diam, 2B Class of Fit, Series Rekord B


Item #: 80694466
Brand: Emuge
Model #: BU089300.5009
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.
Titanium carbonitride (TiCN) is harder and more wear-resistant than TiN. It is commonly used on stainless steels, cast iron and aluminum alloys.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Product Specifications
Thread Size (Inch) 1/4-20
Number of Flutes 3
Chamfer Plug
Class of Fit 2B
Finish/Coating TiCN
Material Cobalt
Through Coolant Through Coolant
Thread Direction Right Hand
Overall Length (Decimal Inch) 3.1500
Oversize No
Thread Standard UNC
Thread Length (Decimal Inch) 0.6690
Series/List Rekord B
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910
Material Application Aluminum Alloys; Cast Iron; Copper Alloys; Stainless Steel; Steel

$114.54

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Emuge - 1/4-20 UNC, 3 Flute, TiCN Finish, HSS-E Spiral Point Tap - Plug Chamfer, Right Hand Thread, 3.15" OAL, 0.669" Thread Length, 0.255" Shank Diam, 2B/3B Class of Fit


Item #: 46150090
Brand: Emuge
Model #: BU499300.5009
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.
Titanium carbonitride (TiCN) is harder and more wear-resistant than TiN. It is commonly used on stainless steels, cast iron and aluminum alloys.
Vanadium high speed steel (HSSE) is made of HSS, 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.
Product Specifications
Thread Size (Inch) 1/4-20
Number of Flutes 3
Chamfer Plug
Class of Fit 2B/3B
Finish/Coating TiCN
Material HSS-E
Through Coolant NonThrough Coolant
Thread Direction Right Hand
Overall Length (Decimal Inch) 3.1500
Thread Standard UNC
Thread Length (Decimal Inch) 0.6690
Style Spiral Point
Shank Diameter (Decimal Inch) 0.2550
Material Application Carbon Steel; Steel Alloys; Stainless Steel; Aluminum; Copper

$23.54

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Emuge - 1/4-20 UNC, 3 Flutes, Plug Chamfer, GLT-1 Finish, High Speed Steel Spiral Point STI Tap - 0.255" Shank Diam, 3B Class of Fit, Series Rekord B-VA


Item #: 47943469
Brand: Emuge
Model #: BU20C310.5617
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.
GLT-1 is a multi-layered coating that offers a hard surface coating and an anti-friction layer for fast and efficient chip removal. It is heat resistant, wear resistant and prevents sliding.GLT-1 is a proprietary coating exclusive to Emuge.
Product Specifications
Thread Size (Inch) 1/4-20
Class of Fit 3B
Number of Flutes 3
Chamfer Plug
Finish/Coating GLT-1
Overall Length (Decimal Inch) 3.1500
Thread Standard UNC
Material High Speed Steel
Thread Length (Decimal Inch) 0.6690
Shank Diameter (Decimal Inch) 0.2550
Series/List Rekord B-VA

$74.14

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Emuge - 1/4-20 UNC, 3 Flutes, Plug Chamfer, GLT-8 Finish, High Speed Steel Spiral Point STI Tap - 0.22" Shank Diam, 3B Class of Fit, Series Rekord B-AL


Item #: 47943378
Brand: Emuge
Model #: BU20S810.5617
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.
GLT-8 coatings are diamond-like coatings and provide a hard surface for good thermal protection as well as high surface lubricity. Ideal for machining nonferrous materials and aluminum. GLT-8 is a proprietary coating exclusive to Emuge.
Product Specifications
Thread Size (Inch) 1/4-20
Class of Fit 3B
Number of Flutes 3
Chamfer Plug
Finish/Coating GLT-8
Overall Length (Decimal Inch) 3.1500
Thread Standard UNC
Material High Speed Steel
Thread Length (Decimal Inch) 0.6300
Shank Diameter (Decimal Inch) 0.2200
Series/List Rekord B-AL

$74.14

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Emuge - 1/4-20 UNC, 3 Flutes, Plug Chamfer, Nitride Finish, Cobalt Spiral Point STI Tap - 0.318" Shank Diam, 3B Class of Fit, Series Rekord B-VA


Item #: 74663774
Brand: Emuge
Model #: BU203010.5617
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.
Nitride is a thin, hard-shell coating that supports surface hardness of the tool. It is used where abrasive or wearing conditions exist.
Product Specifications
Thread Size (Inch) 1/4-20
Class of Fit 3B
Number of Flutes 3
Chamfer Plug
Finish/Coating Nitride
Overall Length (Decimal Inch) 3.5430
Thread Standard UNC
Material Cobalt
Thread Length (Decimal Inch) 0.7870
Shank Diameter (Decimal Inch) 0.3180
Series/List Rekord B-VA

$56.21

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Emuge - 1/4-20 UNC, 4 Flute, 45° Helix, Bottoming Chamfer, GLT-1 Finish, High Speed Steel Spiral Flute STI Tap - Right Hand Flute, 3.15" OAL, 0.255" Shank Diam, 0.669" Thread Length, 3B Class of Fit, Series Enorm Z/E


Item #: 47944756
Brand: Emuge
Model #: BU51C410.5617
Exact Tooling IR#: 04

Features and Benefits

Bottoming chamfers are used for threading blind holes. They have 1 to 2 threads.
GLT-1 is a multi-layered coating that offers a hard surface coating and an anti-friction layer for fast and efficient chip removal. It is heat resistant, wear resistant and prevents sliding.GLT-1 is a proprietary coating exclusive to Emuge.
Product Specifications
Thread Size (Inch) 1/4-20
Class of Fit 3B
Number of Flutes 4
Chamfer Bottoming
Finish/Coating GLT-1
Overall Length (Decimal Inch) 3.1500
Helix Angle 45
Thread Standard UNC
Material High Speed Steel
Flute Direction Right Hand
Thread Length (Decimal Inch) 0.6690
Series/List Enorm Z/E
Shank Diameter (Decimal Inch) 0.2550
Material Application Alloy Steel; Stainless Steel

$76.35

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Emuge - 1/4-20 UNC, Semi-Bottoming Chamfer, TiCN Finish, High Speed Steel Thread Forming STI Taps - 3-5/32" OAL, 0.255" Shank Diam, 43/64" Thread Length


Item #: 38759270
Brand: Emuge
Model #: BU929010.5617
Exact Tooling IR#: 04

Features and Benefits

Semi-bottoming chamfers are used for blind holes. They have 3 to 3-1/2 threads.
Titanium carbonitride (TiCN) is harder and more wear-resistant than TiN. It is commonly used on stainless steels, cast iron and aluminum alloys.
High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and non-ferrous materials.
Product Specifications
Thread Size (Inch) 1/4-20
Class of Fit 3B
Chamfer Semi-Bottoming
Finish/Coating TiCN
Overall Length (Inch) 3.1563
Thread Standard UNC
Thread Length (Inch) 43/64
Shank Diameter (Decimal Inch) 0.2550
Material High Speed Steel

$103.18

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Emuge - 1/4-20 UNF, 3 Flute, NE2 Finish Cobalt, Spiral Flute, Extension Pulley Tap - Semi-Bottoming Chamfer, 6.3" OAL, 43/64" Thread Length, 2B/3B Class of Fit


Item #: 30983373
Brand: Emuge
Model #: BU783200.5009
Exact Tooling IR#: 04

Features and Benefits

Semi-bottoming chamfers are used for blind holes. They have 3 to 3-1/2 threads.
Spiral flute taps are used for threading blind holes in aluminum, brass and softer steels. The flute geometry draws the chips away from the hole where chip disposal may be an issue.
NE2 is a proprietary nitride coating used for cutting a wide range of material including carbon steel, steel alloys, stainless steel, aluminum and copper. Ideal for short run tapping operations. NE2 is a proprietary coating exclusive to Emuge Corporation.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Product Specifications
Thread Size 1/4-20
Overall Length (Inch) 6.3000
Chamfer Semi-Bottoming
Class of Fit 2B/3B
Number of Flutes 3
Tap Type Spiral Flute
Finish/Coating NE2
Thread Standard UNF
Material Cobalt
Thread Length (Inch) 43/64
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910
Material Application Carbon Steel; Stainless Steel; Aluminum; Copper
Flute Direction Right Hand
Shank Size Type Regular

$107.38

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Emuge - 1/4-28 LK-UNF BT Bottoming Thread Forming Tap - High Speed Steel, TiN Finish, 3.15" OAL, 0.669" Thread Length, Right Hand Thread, Series BU93F300


Item #: 47940226
Brand: Emuge
Model #: BU93F300.5713
Exact Tooling IR#: 04

Features and Benefits

Bottoming chamfers are used for threading blind holes to the bottom. They have 1 to 2 threads.
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.
High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
Product Specifications
Thread Size (Inch) 1/4-28
Class of Fit BT
Chamfer Bottoming
Finish/Coating TiN
Material High Speed Steel
Overall Length (Decimal Inch) 3.1500
Thread Standard LK-UNF
Thread Length (Decimal Inch) 0.6690
Series/List BU93F300
Thread Direction Right Hand
Shank Diameter (Decimal Inch) 0.2550
Through Coolant No

$93.61

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Emuge - 1/4-28 LK-UNF LK Bottoming Thread Forming Tap


Item #: 18475814
Brand: Emuge
Model #: BU931400.5713

Features and Benefits

Bottoming chamfers are used for threading blind holes to the bottom. They have 1 to 2 threads.
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.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Product Specifications
Thread Size (Inch) 1/4-28
Class of Fit LK
Thread Limit BT
Chamfer Bottoming
Finish/Coating TiN
Material Cobalt
Overall Length (Decimal Inch) 3.1500
Thread Standard LK-UNF
Series/List BU931400
Thread Direction Right Hand
Shank Diameter (Decimal Inch) 0.2550
Through Coolant Yes

$85.60

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Emuge - 1/4-28 UNF 2B 2 Flute GLT-8 Finish Cobalt Spiral Point Tap


Item #: 96246608
Brand: Emuge
Model #: BU20S800.5043

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.
GLT-8 coatings are diamond-like coatings and provide a hard surface for good thermal protection as well as high surface lubricity. Ideal for machining nonferrous materials and aluminum. GLT-8 is a proprietary coating exclusive to Emuge.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Product Specifications
Thread Size (Inch) 1/4-28
Number of Flutes 2
Chamfer Plug
Class of Fit 2B
Thread Limit H4
Finish/Coating GLT-8
Material Cobalt
Through Coolant NonThrough Coolant
Thread Direction Right Hand
Overall Length (Decimal Inch) 3.1500
Oversize No
Thread Standard UNF
Series/List BU20S800
Neck Length (Decimal Inch) 1.1810
Style Spiral Point
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910

$58.63

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