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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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Emuge - 1/4-28 UNF 2B 3 Flute GLT-1 Finish HSS-E Spiral Point Tap


Item #: 95627659
Brand: Emuge
Model #: BU20C300.5043

Product Specifications

Thread Size (Inch) 1/4-28
Number of Flutes 3
Chamfer Plug
Class of Fit 2B
Thread Limit H4
Finish/Coating GLT-1
Material HSS-E
Through Coolant NonThrough Coolant
Thread Direction Right Hand
Overall Length (Decimal Inch) 3.1496
Overall Length (mm) 80.00
Oversize No
Thread Standard UNF
Series/List BU20C300
Neck Length (Decimal Inch) 1.1811
Style Spiral Point
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910
Material Application Stainless Steel; Steel
Material Application2 Stainless Steel; Steel

$58.63

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Emuge - 1/4-28 UNF 2B 3 Flute TiCN Finish Cobalt Machine Tap


Item #: 96241864
Brand: Emuge
Model #: BU969401.5043

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.
Product Specifications
Tap Type Machine Tap
Thread Size (Inch) 1/4-28
Class of Fit 2B
Thread Limit H4
Number of Flutes 3
Chamfer Bottoming
Material Cobalt
Finish/Coating TiCN
Thread Direction Right Hand
Through Coolant Through Coolant
Through Coolant Through Coolant
Thread Standard UNF
Overall Length (Decimal Inch) 3.15000
Oversize No
Series/List BU969401
Neck Length (Decimal Inch) 1.1810
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910

$76.53

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Emuge - 1/4-28 UNF 2B 3 Flute TiCN Finish Cobalt Machine Tap


Item #: 96242078
Brand: Emuge
Model #: BU959101.5043

Features and Benefits

Modified bottoming is similar to bottoming, but the chamfer is longer and has 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.
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
Tap Type Machine Tap
Thread Size (Inch) 1/4-28
Class of Fit 2B
Thread Limit H4
Number of Flutes 3
Chamfer Modified Bottoming
Material Cobalt
Finish/Coating TiCN
Thread Direction Right Hand
Through Coolant Through Coolant
Through Coolant Through Coolant
Thread Standard UNF
Overall Length (Decimal Inch) 3.15000
Oversize No
Series/List BU959101
Neck Length (Decimal Inch) 1.1810
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910

$76.53

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Emuge - 1/4-28 UNF 2B 3 Flute TiCN Finish Cobalt Machine Tap


Item #: 96241922
Brand: Emuge
Model #: BU109101.5043

Features and Benefits

Modified bottoming is similar to bottoming, but the chamfer is longer and has 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.
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
Tap Type Machine Tap
Thread Size (Inch) 1/4-28
Class of Fit 2B
Thread Limit H4
Number of Flutes 3
Chamfer Modified Bottoming
Material Cobalt
Finish/Coating TiCN
Thread Direction Right Hand
Through Coolant NonThrough Coolant
Through Coolant NonThrough Coolant
Thread Standard UNF
Overall Length (Decimal Inch) 3.15000
Oversize No
Series/List BU109101
Neck Length (mm) 25
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910

$50.89

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Emuge - 1/4-28 UNF 2B 3 Flute TiN Finish HSS-E Spiral Point Tap


Item #: 16628364
Brand: Emuge
Model #: AU208400.5043

Product Specifications

Thread Size (Inch) 1/4-28
Number of Flutes 3
Chamfer Plug
Class of Fit 2B
Thread Limit H4
Finish/Coating TiN
Material HSS-E
Through Coolant NonThrough Coolant
Thread Direction Right Hand
Overall Length (Decimal Inch) 2.5000
Overall Length (mm) 63.50
Oversize No
Thread Standard UNF
Series/List AU208400
Neck Length (Decimal Inch) 1.1417
Style Spiral Flute
Tapping Depth (Inch) 3/4
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910
Material Application Steel
Material Application2 Steel

$46.72

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Emuge - 1/4-28 UNF 2B 3 Flute TiN Finish HSS-E Spiral Point Tap


Item #: 96378203
Brand: Emuge
Model #: BU208400.5043

Product Specifications

Thread Size (Inch) 1/4-28
Number of Flutes 3
Chamfer 4P - 4.5P
Class of Fit 2B
Thread Limit H4
Finish/Coating TiN
Material HSS-E
Through Coolant NonThrough Coolant
Thread Direction Right Hand
Overall Length (Decimal Inch) 3.1496
Overall Length (mm) 80.00
Oversize No
Thread Standard UNF
Neck Length (Decimal Inch) 1.1811
Style Spiral Point
Tapping Depth (Inch) 3/4
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910
Material Application Steel
Material Application2 Steel

$48.08

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Emuge - 1/4-28 UNF 2B Bottoming Thread Forming Tap


Item #: 18476432
Brand: Emuge
Model #: BU44Z700.5043

Features and Benefits

Bottoming chamfers are used for threading blind holes to the bottom. They have 1 to 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.
Product Specifications
Thread Size (Inch) 1/4-28
Class of Fit 2B
Thread Limit H4
Chamfer Bottoming
Finish/Coating TiN-80
Material Powdered Metal High Speed Steel
Overall Length (Decimal Inch) 3.1500
Thread Standard UNF
Series/List BU44Z700
Thread Direction Right Hand
Shank Diameter (Decimal Inch) 0.2550
Through Coolant No

$92.34

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Emuge - 1/4-28 UNF 2B Form Tap Thread Forming Tap


Item #: 96233382
Brand: Emuge
Model #: BU447F00.5043

Features and Benefits

Thread forming taps do not cut threads; rather, they form threads by displacing material. They generate threads without producing chips.
Powdered Metal (PM) is tougher and more cost effective than solid carbide. It is commonly used on highly abrasive materials including high silicon aluminums.
Product Specifications
Thread Size (Inch) 1/4-28
Class of Fit 2B
Thread Limit H4
Chamfer Form Tap
Finish/Coating TiN-66
Material Powdered Metal High Speed Steel
Overall Length (Decimal Inch) 3.1500
Thread Standard UNF
Series/List BU447F00
Neck Length (Decimal Inch) 1.1810
Thread Direction Right Hand
Shank Diameter (Decimal Inch) 0.2550
Through Coolant Yes

$106.19

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Emuge - 1/4-28 UNF 2B Modified Bottoming Thread Forming Tap


Item #: 18475665
Brand: Emuge
Model #: BU38Z700.5043

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading to the bottom of 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.
Product Specifications
Thread Size (Inch) 1/4-28
Class of Fit 2B
Thread Limit H4
Chamfer Modified Bottoming
Finish/Coating TiN-80
Material Powdered Metal High Speed Steel
Overall Length (Decimal Inch) 3.1500
Thread Standard UNF
Series/List BU38Z700
Neck Length (Decimal Inch) 1.1810
Thread Direction Right Hand
Shank Diameter (Decimal Inch) 0.2550
Through Coolant Yes

$92.34

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Emuge - 1/4-28 UNF 2B Modified Bottoming Thread Forming Tap


Item #: 96233226
Brand: Emuge
Model #: BU386F00.5043

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading to the bottom of 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.
Product Specifications
Thread Size (Inch) 1/4-28
Class of Fit 2B
Thread Limit H4
Chamfer Modified Bottoming
Finish/Coating TICN-67
Material Powdered Metal High Speed Steel
Overall Length (Decimal Inch) 3.1500
Thread Standard UNF
Series/List BU386F00
Neck Length (Decimal Inch) 1.1810
Thread Direction Right Hand
Shank Diameter (Decimal Inch) 0.2550
Through Coolant Yes

$106.19

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Emuge - 1/4-28 UNF 2B Modified Bottoming Thread Forming Tap


Item #: 96233077
Brand: Emuge
Model #: BU376F00.5043

Features and Benefits

Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading to the bottom of 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.
Product Specifications
Thread Size (Inch) 1/4-28
Class of Fit 2B
Thread Limit H4
Chamfer Modified Bottoming
Finish/Coating TICN-67
Material Powdered Metal High Speed Steel
Overall Length (Decimal Inch) 3.1500
Thread Standard UNF
Series/List BU376F00
Neck Length (Decimal Inch) 1.1810
Thread Direction Right Hand
Shank Diameter (Decimal Inch) 0.2550
Through Coolant No

$83.01

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Emuge - 1/4-28 UNF 2B/3B Bottoming Thread Forming Tap - Cobalt, TiN Finish, 3.15" OAL, 0.669" Thread Length, Right Hand Thread, Series Druck


Item #: 69001345
Brand: Emuge
Model #: BU591410.5043
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.
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 2B/3B
Chamfer Bottoming
Finish/Coating TiN
Material Cobalt
Overall Length (Decimal Inch) 3.1500
Thread Standard UNF
Thread Length (Decimal Inch) 0.6690
Series/List Druck
Tapping Depth (Decimal Inch) 1.1810
Thread Direction Right Hand
Shank Diameter (Decimal Inch) 0.2550
Shank Length (Decimal Inch) 1.97
Material Application Aluminum Alloys; Copper; Copper Alloys; Stainless Steel; Steel

$29.44

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Emuge - 1/4-28 UNF 2B/3B Form Thread Forming Tap - Cobalt, TiCN Finish, 3.15" OAL, 0.669" Thread Length, Right Hand Thread


Item #: 46132593
Brand: Emuge
Model #: BU599010.5043
Exact Tooling IR#: 04

Features and Benefits

Thread forming taps do not cut threads; rather, they form threads by displacing material. They generate threads without producing chips.
Titanium carbonitride (TiCN) is harder and more wear resistant than TiN. It is 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) 1/4-28
Class of Fit 2B/3B
Chamfer Form Tap
Finish/Coating TiCN
Material Cobalt
Overall Length (Decimal Inch) 3.1500
Thread Standard UNF
Thread Length (Decimal Inch) 0.6690
Thread Direction Right Hand
Shank Diameter (Decimal Inch) 0.2550
Through Coolant No
Material Application Stainless Steel; Aluminum; Copper

$33.18

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Emuge - 1/4-28 UNF 2BX 3 Flute Bright Finish Cobalt Straight Flute Machine Tap - Modified Bottoming, Right Hand Thread, 3.15" OAL, 0.669" Thread Length, Oversize


Item #: 02767689
Brand: Emuge
Model #: BU100501.5043
Exact Tooling IR#: 04

Features and Benefits

Modified bottoming is similar to bottoming, but the chamfer is longer and has 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.
Product Specifications
Tap Type Machine Tap
Thread Size (Inch) 1/4-28
Class of Fit 2BX
Number of Flutes 3
Chamfer Modified Bottoming
Material Cobalt
Finish/Coating Bright
Thread Direction Right Hand
Through Coolant NonThrough Coolant
Thread Standard UNF
Overall Length (Decimal Inch) 3.15000
Oversize No
Series/List Rekord A-H
Thread Length (Decimal Inch) 0.6690
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910
Material Application Austenitic Iron; Bronze; Ferritic Iron; Gunmetal; High Speed Steel; Low Alloyed Casting Steel; Meehanite Iron; Perlitic; Spheroidal Graphite Iron; Tool Steel

$40.96

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Emuge - 1/4-28 UNF 2BX 3 Flute GLT-1 Finish HSS-E Spiral Point Tap


Item #: 96391743
Brand: Emuge
Model #: BU20A601.5043

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-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.
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) 1/4-28
Number of Flutes 3
Chamfer Plug
Class of Fit 2BX
Thread Limit H4
Finish/Coating GLT-1
Material HSS-E
Through Coolant NonThrough Coolant
Thread Direction Right Hand
Overall Length (Decimal Inch) 3.1496
Overall Length (mm) 80.00
Oversize No
Thread Standard UNF
Series/List BU20A601
Neck Length (Decimal Inch) 1.1811
Style Spiral Point
Tapping Depth (Inch) 3/4
Shank Diameter (Decimal Inch) 0.2550
Square Size (Decimal Inch) 0.1910
Material Application Stainless Steel
Material Application2 Steel

$57.76

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