Niagara Cutter 53992 Carbide Ball Nose End Mill, Inch, TiAlN Finish, Roughing and Finishing Cut, 30 Degree Helix, 4 Flutes, 6" Overall Length, 0.438" Cutting Diameter, 0.438" Shank Diameter

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Price: $62.08    

Product Feature

• Four flutes produce a better finish than fewer flutes
• Titanium aluminum nitride (TiAlN) coating lubricates the end mill for high-temperature stability and abrasion resistance, offering better heat resistance than TiN and TiCN coatings
• Carbide can run at higher speeds than high-speed steel, resisting abrasion and high cutting temperatures
• Ball nose end mills (also called ball end) create contoured surfaces
• 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 CB430 TiAlN-coated carbide ball nose end mill has four flutes and a 30-degree helix angle for general-purpose machining on a range of materials. The tool’s ball nose creates contoured surfaces where sharp corners are not required, 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 TiAlN coating resists heat better than TiN and TiCN coatings, increasing tool life and performance. It also offers increased hardness for abrasion resistance and may reduce the need for lubricants based on the application. (TiAlN is suitable for a range of materials, but TiCN or 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. 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.

Niagara Cutter 53992 Carbide Ball Nose End Mill, Inch, TiAlN Finish, Roughing and Finishing Cut, 30 Degree Helix, 4 Flutes, 6" Overall Length, 0.438" Cutting Diameter, 0.438" Shank Diameter Review

I have a couple of rotary tools and enjoy carving with them, however, the majority of burrs and cutters for them leave a lot to be desired so I decided to give some carbide ball end mills a try. Best decision I ever made with regard to these tools. The end mills I like are 4 flute and small to very small. These cutters give an extraordinary cut quality compared to what are generally sold as rotary tool cutters. These are extremely sharp, precise and cut cleaner than anything else. Of course this is not what these mills are meant for, which is a pity. If more people knew of these cutters, wood engravers all over would be a lot happier.

I have been able to draw detailed organic and geometric shapes and replicate them very cleanly with these cutters, either freehand or using a mini router base with my Proxxon. The level of precision is really good because these cutters don't try to wander too much. Having four sharp flutes and a round tip put these cutters in a class of their own for wood engraving/carving.

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