Niagara Cutter 46491 Carbide Ball Nose End Mill, Metric, Uncoated (Bright) Finish, Roughing and Finishing Cut, 30 Degree Helix, 4 Flutes, 100mm Overall Length, 20mm Cutting Diameter, 20.000mm Shank Diameter

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Price: $121.35    

Product Feature

• Four flutes produce a better finish than fewer flutes
• 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
• 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 CB430M uncoated carbide metric ball nose end mill has four flutes and a 30-degree helix angle for general-purpose machining on a range of materials. Four flutes produce a better finish than fewer flutes. 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. 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 and provide an economical alternative to coated tools. The cutting diameter tolerance is +0 mm to -.050 mm. 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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Niagara Cutter 46491 Carbide Ball Nose End Mill, Metric, Uncoated (Bright) Finish, Roughing and Finishing Cut, 30 Degree Helix, 4 Flutes, 100mm Overall Length, 20mm Cutting Diameter, 20.000mm Shank Diameter Review

The best value for you money! Great cutting I am surprised how precise the cuts where and how easy it devoured my stainless steel. I am a hobbyist and have a rather low performance CNC mill but the Niagara cutters more than compensated for my lack of power. However the metric documentaion is somewhat lacking. The charts on cutting feeds and speeds are based on 6 -10-12 mm so if you have a 8mm end mill you will have to figure it out your self. Also documentation is lacking on the metric ones when it comes to different coatings.

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