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YG1-C4744 – 7/8 – 9, H4 – 4 Fluted Spiral Fluted Bottoming Tin-Coated Standard Tap

Original price was: $123.00.Current price is: $84.20.

Blue Ring Tap

UPC: N/A SKU: YG1-C4744 Categories: General Purpose Tap, Tapping, YG Tap General, YG-1

EDP No.	C4744
Description	4 FLUTED SPIRAL FLUTED BOTTOMING TIN-COATED STANDARD TAP
Size	7/8 – 9, H4
Available Qty.	Call for availability

Specifications

Serial #	100
Series	C4
Long Description	7/8-9 4.690 OAL HSSE 4 Flute TiN H4 Bottoming SPFL GP taps Tap
Tap Type	SPFL
Size & Pitch	7/8-9
# of Flutes	4
Diameter inch	0.875
Diameter metric	22.225
Pitch	9
Thread Series	UNC
Pitch Limit	H4
Chamfer Type	Bottoming
Chamfer Length	1.5P-2P
Finish	TiN
Material	HSSE
Blank Standard	302
Helix Angle	45
OAL inch	4.69
OAL metric	119.13
Thd. Lgth. Inch	2.22
Thd. Lgth. Metric	56.39
Sqr. Lgth. Inch	0.75
Sqr. Lgth. Metric	19.05
Shk. Dia. Inch	0.697
Shk. Dia. Metric	17.7
Sqr. Size inch	0.523
Sqr. Size metric	13.28
System of Measurement	Inch
Shank Type	Square
Drill Size inch	0.774
Drill Size metric	19.659
Connection inch	0.697 x 0.523
Connection metric	17.7 x 13.28
Length/ Diameter	2.5 x D
Useable Length inch	2.22
Useable Length metric	56.39
Coolant Thru 0 With and X without	Non Coolant
Trade Name	YG Tap GP
Application	P,M,K,N

Spiral Flute for blind holes to pull the chip out of the hole. Offered in Bright Finish, Steam Oxide, TiN, TiCN. Use hardslick coating on gummy materials.

⚠ 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

We can help modify or recommend tooling based on the material being machined, including aluminum, brass, bronze, plastics, stainless steel, hardened steel, cast iron, composites, and other industrial materials.

Have a Drawing, Sample, or Part Print?

Send us your print, sketch, CAD file, photo, tool number, sample, or application details. For the fastest quote, include the material being cut, quantity needed, required dimensions, tolerances, and any machine or holder requirements.

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.

Request a Custom Tool Modification

Need this tool changed for your application? Contact General Cutting Tools today to discuss your custom tooling needs. We can help you find the right solution for your machine, material, and production goals.

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