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Industrial & Scientific > Cutting Tools > Milling Tools > End Mills > Ball Nose End Mills > B003BT67XG
  1. Niagara Cutter N68493 Carbide Ball Nose End Mill, Weldon Shank, AlCrN Finish, Roughing and Finishing Cutting, 40-Degree Helix, 4-Flute, 2.5
    Niagara Cutter N68493 Carbide Ball Nose End Mill, Weldon Shank, AlCrN Finish, Roughing and Finishing Cutting, 40-Degree Helix, 4-Flute, 2.5
    Niagara Cutter N68493 Carbide Ball Nose End Mill, Weldon Shank, AlCrN Finish, Roughing and Finishing Cutting, 40-Degree Helix, 4-Flute, 2.5
    Image(s) provided for illustrative purposes and may differ from the actual product
  2. Niagara Cutter N68493 Carbide Ball Nose End Mill, Weldon Shank, AlCrN Finish, Roughing and Finishing Cutting, 40-Degree Helix, 4-Flute, 2.5" OAL, 0.344" Cut Diameter, 0.375" Shank Diameter

    [B003BT67XG]
    Delivery: 10-20 Working Days
    Price R751.00

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Variations
Product Description

  • The combination of Stabilizer flute geometry, carbide substrate, and AlCrN coating make this end mill suitable for use on high-temperature alloys
  • Stabilizer flute design uses unequal spacing and variable helix angles to minimize tool vibration and remove up to three times more chips per minute than conventional carbide end mills
  • Aluminum chromium nitride (AlCrN) coating provides good hardness and better resistance to chemical breakdown in high-heat applications than TiAlN, TiCN, and TiN coatings
  • Four flutes produce a better finish than fewer flutes
  • Carbide can run at higher speeds than high-speed or cobalt steel, resisting wear and high cutting temperatures
Additional Information

The Niagara Cutter STB440 Stabilizer AlCrN-coated carbide ball nose end mill with four flutes features the patented Stabilizer flute design, which combines variable helix angles and unevenly spaced flutes of differing lengths to allow deeper cuts at higher speeds on high-temperature alloys. The helix angle varies from tooth to tooth to reduce tool vibration and provide efficient chip removal. The unequal length and spacing of the flutes creates an out-of-phase cutting action that further reduces tool vibration and extends tool life. Aluminum chromium nitride (AlCrN) coating provides good hardness and better resistance to chemical breakdown in high-heat applications than TiAlN, TiCN, and TiN coatings. The four-flute design is well suited for fine finishing. The carbide substrate is harder than high-speed or cobalt steel, making it more wear resistant at high speeds and hot temperatures, providing longer tool life. The Stabilizer flute geometry, carbide substrate, and AlCrN coating make the STB440 suitable for machining the high temperature alloys used in the commercial aircraft, aerospace, and defense industries.

The tool’s ball nose creates contoured surfaces where sharp corners are not required. 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 tool has an eccentric primary relief feature that provides better support behind the cutting edge than a flat relief, reducing tooth breakage in deep cuts. Cutting diameter tolerance is +0.000" to -0.002". The STB440 comes with a round shank for shank diameters smaller than 3/8", and a Weldon shank on shank diameters of 3/8" or larger.

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.

Specifications

Country
USA
Binding
Misc.
Brand
Niagara Cutter
EAN
0698036684938
Label
Niagara Cutter
Manufacturer
Niagara Cutter
Model
68493
MPN
N68493
NumberOfItems
1
PartNumber
N68493
Publisher
Niagara Cutter
Size
11/32"
Studio
Niagara Cutter
Please Note

The authorised South African distributor of this product is under no obligation to honour the manufacture's guarantees/warranties or to provide after-sales service.

Please note that this item is imported from the USA, and is designed to be used in the USA. In addition, if the unit is powered it will come with a US plug and an adapter/transformer may be required. Please click here for more information on power requirements, or check with us if you are unsure or need any assistance!

Please also note that certain items cannot be imported, these include Alcohol, Animals, Batteries, Flammable Materials, Currency, Food, Furs, Chemicals, Explosives, Medications, Plants, Seeds, Supplements, Pressurized Cans, Tactical Equipment, Vitamins, Weaponry and Weaponry Accessories. In these cases, the item and information is displayed for reference purposes only. If you are not sure if we are permitted to bring an item, please send us an e-mail with a link to the item to confirm.

Please also ensure that you are ordering the correct item for your particular application as returns to the USA are costly. Product reviews are also provided for most of our items, which can give you a good idea for possible things to look out for and the quality of the item. By clicking Add to Cart, you are confirming that the item is correct and you accept the conditions listed here.