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  • Niagara Cutter C430 Carbide Square Nose End Mills, Inch, Uncoated (Bright) Finish, Roughing and Finishing Cut, 30 Degree Helix, For Use With All Materials
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Niagara Cutter C430 Carbide Square Nose End Mills, Inch, Uncoated (Bright) Finish, Roughing and Finishing Cut, 30 Degree Helix, For Use With All Materials

Available in multiple versions


Price: $8.97 - $498.82
Product Specifications
Brand Name Niagara Cutter
Material Type Carbide
Finish Types Uncoated (Bright)
Compatible Material All Materials
Cut Type Roughing and Finishing
Cutting Angle 30  Degrees
Cutting Direction Right Hand
End Cut Type Center Cutting
Manufacturer Series Number C430
Number of Flutes 4
Shank Type Round
System of Measurement Inch
UNSPSC Code 27112803

The Niagara Cutter C430 uncoated carbide square nose end mill has four flutes and a 30-degree ... Read full product description



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Product Features

  • Four flutes produce a better finish than fewer flutes
  • 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 Details

  • Shipping Information: View shipping rates and policies
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B00A0P9IUI
  • Average Customer Review: 5.0 out of 5 stars  See all reviews (3 customer reviews)
  • Product Warranty: For warranty information about this product, please click here

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Product Description

The Niagara Cutter C430 uncoated carbide square nose end mill has four 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. Four flutes produce a better finish than fewer flutes. 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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Most Helpful Customer Reviews

1 of 1 people found the following review helpful By G. Everett on November 25, 2013
Size: 1/4 in Verified Purchase
Made with precision in the USA, fantastic cutter. Cost the same as import endmills but with the quality of an American product. I have used this bit to make several plunge cuts on 4140 chromemoly steel and it is one of the best end mills I have purchased yet.
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By TG1998 on January 28, 2015
Size: 5/16" Verified Purchase
This is a very nice well made product. I have used it on my press for both steel and aluminum and it cuts rurally well and seems to be holding up well. I felt the bit was a good value considering how much high quality bits can sell for here locally and on other sites I looked into before purchasing. I would recommend this product without hesitation.
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By fuzebox40 on June 14, 2014
Size: 1/4 in Verified Purchase
I don't have much history with end mill bits so I'm no authority on them. I can only say for this reason I did a lot of reading and shopping around before spending this much on one tiny little drill bit. Blade pattern had much to do with it but I wanted confidence in quality as well. I didn't want to waist money on something too cheap that wouldn't hold up to the job at hand, but I would only be using it non professionally at home for small projects and chances are I'll only use it a couple times so I certainly don't need to spend 2 days pay either. The perfect size and all was proving near impossible to find without paying 30 to over 100 dollars.
Bottom line, I settled on this and I'm very pleased with it's performance. I just used it on some home projects to do some shaping on some aircraft grade aluminum but pushed it hard, put it to the test (so to speak) and it did the job well and is still in excellent condition for future projects. I don't know how it would hold up to steal milling as I haven't used it for that but I can recommend for aluminum.
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