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Precision Twist E6302V Carbide Square Nose End Mill, Long Reach, TiAlN Multilayer Finish, Roughing Cut, 30 Deg Helix, 2 Flutes, 6" Overall Length, 1" Cutting Diameter, 1" Shank Diameter


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  • Two flutes offer better chip-carrying capacity than end mills with more flutes, enhancing the tool's ability to remove material
  • Extra-long length end mills have longer cutting edges and can make deeper cuts than long-length end mills
  • Titanium aluminum nitride (TiAlN) coating lubricates the end mill for high-temperature stability and abrasion resistance at high cutting speeds, offering better heat resistance than TiN and TiCN coatings
  • Carbide can run at higher speeds than high-speed or cobalt steel, resisting wear and high cutting temperatures
  • Square nose end mills (also called square end) create sharp, unrounded cuts

Product Specifications
Part Number 3139
Number of Items 1
UPC 086071031396
Additional Features Long Reach
Body Style Single End
Cutting Angle 30  Degrees
Cutting Diameter 1  inches
Cutting Length 3  inches
EAN 0086071031396
Flute Length 3  inches
Number of Flutes 2
Outside Diameter 1  inches
Overall Length 6  inches
Shank Diameter 1  inches
Shank Width 1  inches
Size 1 in
Specification Met ANSI
Tolerance Held +0.000/-0.002 inches
Specification for this product family
Brand Name Precision Twist
Material Type Carbide
Finish Types TiAlN
Compatible Material Cast Iron, Nickel/Nickel Alloys, Steel/Steel Alloys, Titanium/Titanium Alloys
Cut Type Roughing
Cutting Direction Right Hand
End Cut Type Center Cutting
Manufacturer Series Number E6302V
Shank Type Straight
Specific Uses For Product Slot Milling , Ramping
System of Measurement Inch
UNSPSC Code 27112803


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Product Description

Size: 1 in

The Precision Twist E6302V TiAlN-coated carbide square end mill has two flutes, a 30-degree helix angle, and an extra-long length design for applications that require a longer reach than long-length end mills. Extra-long length end mills have longer cutting edges than long-length end mills for deep slotting and applications with a high depth of cut. The two flutes have better chip-carrying capacity than end mills with more flutes while offering additional support when the tool goes deep into the material in applications with a high depth of cut. The TiAlN coating resists heat better than TiN and TiCN coatings, increasing tool life and performance. It also offers increased hardness compared to TiN and may reduce the need for lubricants based on the application. (TiAlN is suitable for a range of materials, but uncoated end mills are recommended for machining aluminum.) The carbide substrate is harder than high-speed or cobalt steel, making it more wear resistant at high speeds and providing longer tool life.

The tool’s square end creates sharp, unrounded cuts. The 30-degree helix angle supports general-purpose applications. It balances lower angles’ strong cutting edge for difficult-to-machine materials with higher angles’ increased cutting action. The center-cutting design has cutting teeth at the end of the tool, so it can be fed into the workpiece like a drill bit; it can also be used for slotting and ramping. The cutting diameter tolerance is +0.000” to -0.002”. This tool has a round shank.

End mills are designed to remove material and create multi-dimensional shapes and profiles. They have cutting edges along the outside diameter and flutes that remove chips from the cutting area and allow cooling fluids to enter. If heat is not reduced effectively, the tool’s cutting edges will dull and additional material buildup can occur. The number of flutes can range from two to eight. Two-flute designs offer the most efficient chip removal, but more flutes provide a smoother finish. The shank is the end of the tool held in place by a tool holder or machine. Center-cutting end mills can create three-dimensional shapes and profiles, and make plunge cuts similar to a drill bit. Non-center-cutting end mills are for applications such as peripheral milling and finishing, but cannot make plunge cuts.

Precision Dormer manufactures cutting tools under the following brands: Precision Twist, Dormer, and Union Butterfield. The company has locations around the world, and provides tools adhering to ANSI, NAS, and DIN standards.


Product Details

Size: 1 in
  • Shipping Weight: 1.6 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B003JTIDR6
  • Item model number: 003139
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  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Precision Twist E6302V Carbide Square Nose End Mill, Long Reach, TiAlN Multilayer Finish, Roughing Cut, 30 Deg Helix, 2 Flutes, 6" Overall Length, 1" Cutting Diameter, 1" Shank Diameter
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This item: Precision Twist E6302V Carbide Square Nose End Mill, Long Reach, TiAlN Multilayer Finish, Roughing Cut, 30 Deg Helix, 2 Flutes, 6" Overall Length, 1" Cutting Diameter, 1" Shank Diameter