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YG1-BB425 – 1/4 – 28, H5 – 3 Fluted Spiral Fluted Modified Bottoming Super Hss Steam Oxide For Steel & Stainless Steels Upto 35Hrc

Original price was: $32.30.Current price is: $24.25.

YG Tap TiNi

UPC: N/A SKU: YG1-BB425 Categories: Blue Ring Tap, High Performance & HSS PM Tap, Tapping, YG-1

EDP No.	BB425
Description	3 FLUTED SPIRAL FLUTED MODIFIED BOTTOMING SUPER HSS STEAM OXIDE FOR STEEL & STAINLESS STEELS UPTO 35HRc
Size	1/4 – 28, H5
Available Qty.	Call for availability

Specifications

Serial #	25
Series	BB
Long Description	1/4-28 2.5000" OAL HSS-PM 3 Flute Steam Oxide H4 Modified Bottoming Spiral Flute Blue Ring Tap
Tap Type	SPFL
Size & Pitch	1/4-28
# of Flutes	3
Diameter (inch)	0.25
Diameter (metric)	6.35
Pitch	28
Thread Series	UNF
Pitch Limit	H5
Chamfer Type	Modified Bottoming
Chamfer Length	2P-3P
Finish	Steam Oxide
Material	HSS-PM
Blank Standard	302A
Helix Angle	40
Overall Length (inch)	2.5
OAL (metric)	63.5
Thd. Lgth. (inch)	0.354
Thd. Lgth. (metric)	8.99
Sqr. Lgth. (inch)	0.31
Sqr. Lgth. (metric)	7.87
Shk. Dia. (inch)	0.255
Shk. Dia. (metric)	6.48
Sqr. Size (inch)	0.191
Sqr. Size (metric)	4.85
Neck Dia (inch)	0.2
Neck Dia (metric)	5.08
Neck Length (inch)	1
Neck Length (metric)	25.4
System of Measurement	Inch
Shank Type	Square
Drill Size (inch)	0.2175
Drill Size (mm)	5.525
Connection (in)	0.255 x 0.191
Connection (mm)	6.48 x 4.85
Length/ Diameter	2.5 X D
Useable Length (in)	1
Useable Length (mm)	25.4
Ring Color	Blue Ring
Trade Name	YG Tap
YG-1 2024 Image	Blue Ring_SPFL_ANSI_Steam Oxide.jpg

⚠ WARNING: This product can expose you to chemicals including cobalt, which is known to the State of California to cause cancer. Click here for more information.

Brand

YG1

Need This Tool Customized?

Every machining application is different. If this tool is close to what you need but not an exact fit, General Cutting Tools can help modify it for your specific job, machine, material, or production requirement.

We work with CNC shops, industrial manufacturers, tool rooms, and production facilities to provide tool modifications that improve fit, function, performance, and efficiency. Whether you need a small adjustment or a more specialized cutting tool solution, our team can review your requirements and recommend the best option.

Custom tool modifications can help reduce setup time, improve accuracy, extend tool life, solve clearance issues, and support more consistent production results.

Common Tool Customization Options

Diameter and OD Modifications

We can modify tool diameters to better match your application requirements, including cutting diameter changes, OD modifications, pilot diameter adjustments, step diameters, and shank diameter modifications.

Bore Modifications for Saw Blades

Custom saw blade bore modifications are available for hole diameter changes, pinholes, mounting holes, and keyway cutouts to help match your machine setup and cutting requirements.

Length Adjustments

Tools can be modified for specific reach, clearance, or setup needs. This may include overall length changes, flute length adjustments, reduced neck sections, extended reach designs, or shortened tools for improved rigidity.

Shank Modifications

Shank modifications can help ensure the tool fits properly in your holder, spindle, or machine setup. Common options include shank diameter changes, flats, Weldon flats, reduced shanks, and custom holding requirements.

Radius, Chamfer, and Corner Changes

We can customize corner radius, chamfer angles, edge breaks, and other profile details to meet part print requirements or improve cutting performance.

Step Tool Modifications

For applications that require multiple diameters or operations in a single tool, we can create or modify step tools to help reduce tool changes and improve production efficiency.

Flute and Cutting Edge Adjustments

Depending on the tool and application, flute length, cutting edge geometry, end cutting features, relief angles, and cutting edge shape may be modified to improve chip evacuation, cutting action, and tool performance.

Regrinding and Resharpening

Many cutting tools can be reground or resharpened to restore performance, extend tool life, and reduce replacement costs.

Custom Profiles and Special Forms

For unique part features, we can help provide special forms, custom profiles, custom radii, counterbores, countersinks, keyseat cutters, form tools, and other application-specific tooling solutions.

Material-Specific Tool Adjustments

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Coating Options

Tool coatings can be selected or added to improve wear resistance, heat resistance, lubricity, and performance in specific materials such as steel, stainless steel, aluminum, cast iron, and high-temperature alloys.

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