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YG1-GMK31040 – 4 x 6 x 8 x 70 – Ev Mills 2 Flute 30Deg Helix Ball End Mill

Original price was: $45.52.Current price is: $34.15.

EV MILLS

UPC: N/A SKU: YG1-GMK31040 Categories: EV MILLS, General Purpose Carbide End Mill, Milling, YG-1

EDP No.	GMK31040
Description	EV MILLS 2 FLUTE 30DEG HELIX BALL END MILL
Size	4 x 6 x 8 x 70
Available Qty.	Call for availability

Specifications

Series	GMK31
Long Description	4.00 x 8.00 x 70.00 OAL Solid carbide 30̊ Helix 2 Flute Y-Coatng High Performance Ball Nose EV Mill End Mill
Number of Flutes	2
Diameter (decimal)	0.1575
Diameter (inch)	0.1575
Diameter (mm)	4
Mill Diam Tolerance	0~-0.012
Shank Dia. (decimal)	0.2362
Shank Dia. (inch)	0.2362
Shank Dia. (mm)	6
Length of Cut (inch)	0.315
Length of Cut (mm)	8
Overall Length (inch)	2.7559
Overall Length (mm)	70
Ball Nose(Inch) Radius	0.0787
Ball Nose (MM)	2
Shank Style	Plain
Shank Dia Tolerance	h5
Helix Angle	30̊
Variable Helix	No
Coating	Y-Coating
Material	Solid carbide
Cut Type	Center Cutting
Type	Finish
Application Code	P,M,K
Application	Steel,Cast Iron, Stainless Steel
Cutting Direction	Right
System of Measurement	Metric
End Type	Ball Nose
Flute Type	Spiral
Spiral Type	Regular
Shank Type	Straight Cylindrical
Single or Double end	Single Ended
Performance	General Purpose

Ensures smooth chip eveacuation and enhanced cutting performance at the ball tip.

⚠ 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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