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YG1-T7406443 – 5/16 18UNC H3 – 74.68L – 3 Flute Hss Spiral Fluted Screw Thread Insert Tap For General Purpose

Original price was: $26.43.Current price is: $18.10.

Blue Ring Tap

UPC: N/A SKU: YG1-T7406443 Categories: General Purpose Tap, STI Taps, Tapping, YG-1

EDP No.	T7406443
Description	3 FLUTE HSS SPIRAL FLUTED SCREW THREAD INSERT TAP FOR GENERAL PURPOSE
Size	5/16 18UNC H3 – 74.68L
Available Qty.	Call for availability

Specifications

Serial #	23
Series	T7406
Long Description	5/16-18," 2.937,OAL HSS 3 Flute Bright H3 Bottoming Spiral Flute YG-1 STI Tap
Tap Type	Spiral Flute
Size & Pitch	5/16-18
# of Flutes	3
Diameter (inch)	0.3125
Diameter (metric)	7.94
Pitch	18
Thread Series	UNC
Pitch Limit	H3
Website Length	74.69
Chamfer Type	Bottoming
Chamfer Length	1.5P-2P
Finish	Bright
Material	GS
Blank Standard	322
Helix Angle	50
Overall Length (inch)	2.937
OAL (metric)	74.6
Thd. Lgth. (inch)	0.551
Thd. Lgth. (metric)	14
Sqr. Lgth. (inch)	0.44
Sqr. Lgth. (metric)	11.176
Shk. Dia. (inch)	0.381
Shk. Dia. (metric)	9.677
Sqr. Size (inch)	0.286
Sqr. Size (metric)	7.26
Neck Dia (inch)	0.287
Neck Dia (metric)	7.29
Neck Length (Inch)	1.252
Neck Length (Metric)	31.801
System of Measurement	Inch
Shank Type	Square
Drill Size (inch)	0.3307
Drill Size (mm)	8.4
Connection (in)	0.381 x 0.286
Connection (mm)	9.6774 x 7.26
Length/ Diameter	2.5 x D
Useable Length (in)	1.25
Useable Length (mm)	31.75
Coolant Thru 0 With and X without	No
Trade Name	YG Tap STI

⚠ 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

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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.

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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.

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