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Niagara Cutter N55335 Carbide Square Nose End Mill, Inch, Uncoated (Bright) Finish, Roughing and Finishing Cut, 30 Degree Helix, 2 Flutes, 1.5" Overall Length, 0.078" Cutting Diameter, 0.125" Shank Diameter


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Specifications for this item
Brand Name Niagara Cutter
Part Number N55335
Material Type Carbide
Finish Types Uncoated (Bright)
Number of Items 1
UPC 698036553357
Compatible Material All Materials
Cut Type Roughing and Finishing
Cutting Angle 30  Degrees
Cutting Diameter 0.078  inches
Cutting Direction Right Hand
Cutting Length 0.250  inches
EAN 0698036553357
End Cut Type Center Cutting
Flute Length 0.250  inches
Manufacturer Series Number C230
Number of Flutes 2
Outside Diameter 5/64  inches
Overall Length 1.5  inches
Shank Diameter 0.125  inches
Shank Type Round
Shank Width 1/8  inches
Size 5/64"
System of Measurement Inch
Tolerance Held +0.000/-0.002"
UNSPSC Code 27112803

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Product Features

  • Two flutes offer better chip-carrying capacity than end mills with more flutes, enhancing the tool's ability to remove material
  • Square nose end mills (also called square end) create sharp, unrounded cuts
  • Carbide can run at higher speeds than high-speed steel, resisting abrasion and high cutting temperatures
  • Uncoated (bright) tools have no additional surface treatment or coating for use on a broad range of materials
  • Center-cutting design allows the end mill to plunge into material like a drill bit while also performing conventional surface milling

Product Description

The Niagara Cutter C230 uncoated (bright) carbide square nose end mill has two flutes and a 30-degree helix angle for general-purpose machining on a range of materials. The tool’s square end creates sharp, unrounded cuts, and 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. 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 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 carbide substrate is harder than high-speed or cobalt steel, making it more wear resistant at high speeds and providing longer tool life. With no coating or surface treatment, this uncoated tool can be used on a broad range of materials. Cutting diameter tolerance is +0.000” to -0.002”. The round shank accommodates a variety of holders.

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.

Niagara Cutter has been designing and manufacturing precision cutting tools since 1954. Specializing in end mills, cutting mills, and saws, the company is based in New York and manufactures its tools at facilities in Pennsylvania and Massachusetts. This allows the company control over production, from substrate to coating, which is essential for customers in a variety of industries, especially aerospace and automotive.


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