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Home>Carbide Solid Round Tools & Blanks>End Mills
 
End Mills
All  Carbide & Diamond Tooling Brand cutting tools are manufactured state of the art equipment and are available with premium coatings and substrates which optimize the performance of our cutting tools within the target material groups. Advanced geometry and grinding and honing produce superior cutting edge on our cutting tools. The new nano coatings possess improved wear resistance, chemical and thermal stability and a smooth surface finish which allows chips to flow easily over the surface of the tools, thus contributing to better performance and longer tool life. The ultra-fine grain carbide substrates offer the optimal combination of wear resistance and edge strength. 
 
 Sub-Categories
Roughing End Mills
Roughing End Mills
An extensive selection of carbide roughing end mills.Fine Pitch Roughers,Coarse Pitch Roughers, High Helix Roughers. Square Radius & Ball Nose. For High Speed Milling of Aluminum, alloys,Brass,Bronze,Carbon Steel, Cast Steel,Cooper, Plastic,Inconel,Steel,Stainless Steel, Titanium & tool Steels
Tapered End Mills
Tapered End Mills
CDTooling Made in USA Carbide tapered end mills are used in the mold-making industry and are popular in machining operations where there is a need to produce angled surfaces.square or ball end available with TiAIN coating 1/2-15 degree angle
Corner Rounding End Mills Carbide
Corner Rounding End Mills Carbide
CDTooling corner end mills are excellent for breaking edges and putting a smooth radius on a your part. These tools, also known as "radius cutters" and "corner rounders, are excellent for milling inside a pocket or on the back of a part. They come in a variety of pilot sizes, smaller pilots are available for tight corners and small holes and larger pilots are available for increased strength and better finish. We offer all large range of of the shelf standard size and quick delivery on Specials
 Products (Total Items: 12)
Carbide End Mill 2 Flute 55 Degree Helix Ferious Aluminum Cutting
Carbide End Mill 2 Flute 55 Degree Helix Ferious Aluminum Cutting
Your Price: $34.00
Carbide Internal Micro Finishing Mills 3/64 (.047) to 15/32 (.469) Diameter
Carbide Internal Micro Finishing Mills 3/64 (.047) to 15/32 (.469) Diameter
Your Price: $27.00
End Mill 2 Flute Carbide End Mill Stub Regular Long Extra Long Square, Ball  Radius End
End Mill 2 Flute Carbide End Mill Stub Regular Long Extra Long Square, Ball Radius End
Your Price: $7.23
End Mill 4 Flute Carbide Regular Stub Long Square Ball Radius End Mill
End Mill 4 Flute Carbide Regular Stub Long Square Ball Radius End Mill
Your Price: $12.38
End Mill Carbide 3, 4, 5, 6 Flute for Titanium, Inconel, Stainless, Steel up to HRc 45 Jet Power
End Mill Carbide 3, 4, 5, 6 Flute for Titanium, Inconel, Stainless, Steel up to HRc 45 Jet Power
Your Price: $17.29
End Mill Variable Helix, High Performance for Aluminum, Stainless Steel Exotic Metals
End Mill Variable Helix, High Performance for Aluminum, Stainless Steel Exotic Metals
Your Price: $26.34
End Mill: Carbide High Performance Aluminum Cutting Square, Radius And Ball End
End Mill: Carbide High Performance Aluminum Cutting Square, Radius And Ball End
Your Price: $26.53
End Mill: Drill Mill Solid Carbide End Mills 2 & 4 Flute, 60, 82, 90, 120, Degree
End Mill: Drill Mill Solid Carbide End Mills 2 & 4 Flute, 60, 82, 90, 120, Degree
Your Price: $29.90
End Mill: Variable Helix V7 Carbide End Mills 4 & 5 Flute Square Radius & Ball End
End Mill: Variable Helix V7 Carbide End Mills 4 & 5 Flute Square Radius & Ball End
Your Price: $11.15
End MIll: X-Power Carbide End Mills High Speed Cutting Alloy Steel to HRc70
End MIll: X-Power Carbide End Mills High Speed Cutting Alloy Steel to HRc70
Your Price: $11.42
Milling Cutter: Keyseat Cutters Straight Tooth Milling Solid Carbide
Milling Cutter: Keyseat Cutters Straight Tooth Milling Solid Carbide
Your Price: $74.06
Milling: Carbide Feed-Max Mill Slotting, Pocketing Contouring Solid & Coolant Through
Milling: Carbide Feed-Max Mill Slotting, Pocketing Contouring Solid & Coolant Through
Your Price: $51.26
 
An endmill is a type of milling cutter, a cutting tool used in industrial milling applications. It is distinguished from the drill bit in its application, geometry, and manufacture. While a drill bit can only cut in the axial direction, a milling bit can generally cut in all directions, though some cannot cut axially.

Endmills are used in milling applications such as profile milling, tracer milling, face milling, and plunging.
Contents

    1 Types
    2 Geometry and tools
    3 See also
    4 References

Types

Several broad categories of end- and face-milling tools exist, such as center-cutting versus non-center-cutting (whether the mill can take plunging cuts); and categorization by number of flutes; by helix angle; by material; and by coating material. Each category may be further divided by specific application and special geometry.

It is becoming increasingly common for traditional solid endmills to be replaced by more cost-effective inserted cutting tools (which, though more expensive initially, reduce tool-change times and allow for the easy replacement of worn or broken cutting edges rather than the entire tool).

Endmills are sold in both imperial and metric shank and cutting diameters. In the USA, metric is readily available, but it is only used in some machine shops and not others; in Canada, due to the country's proximity to the US, much the same is true. In Asia and Europe, while imperial is readily available, metric diameters are standard.
Geometry and tools

A variety of grooves, slots, and pockets in the workpiece may be produced from a variety of tool bits. Common tool bit types are: square end cutters, ball end cutters, t-slot cutters, and shell mills. Square end cutters can mill square slots, pockets, and edges. Ball end cutters mill radiused slots or fillets. T-slot cutters mill exactly that: t-shaped slots. Shell end cutters are used for large flat surfaces and for angle cuts. There are variations of these tool types as well.

There are four critical angles of each cutting tool: end cutting edge angle, axial relief angle, radial relief angle, and radial rake angle. See graph for common values.

Depending on the material being milled, and what task should be performed, different tool types and geometry may be used. For instance, when milling a material like aluminium, it may be advantageous to use a tool with very deep, polished flutes and a very sharp cutting edge. When machining a tough material such as stainless steel, however, shallow flutes and a squared-off cutting edge will optimize material removal and tool life.

A wide variety of materials are used to produce the cutting tools. Carbide inserts are the most common because they are good for high production milling. High speed steel is commonly used when a special tool shape is needed, not usually used for high production processes. Ceramics inserts are typically used in high speed machining with high production. Diamond inserts are typically used on products that require tight tolerances, typically consisting of high surface qualities (nonferrous or nonmetallic materials). In the early 1990s, use of coatings to reduce wear and friction (among other things) became more common. Most of these coatings are referred to by their chemical composition, such as:
Aluminium titanium nitride (AlTiN) coated endmills, coated using the cathodic arc deposition technique

    TiN (a basic yellowish coating that has fallen out of wide use)
    TiCN (a popular bluish-grey coating)
    TiAlN and AlTiN (an extremely popular dark purple coating)
    TiAlCrN, AlTiCrN and AlCrTiN (PVD coating).
    PCD veins. Though not a coating some endmills are manufactured with a 'vein' of polycrystaline diamond. The vein is formed in a high temperature-high pressure environment. The vein is formed in a blank and then the material is ground out along the vein to form the cutting edge. The tools can be very costly, however can last many times longer than other tooling.

Advances in endmill coatings are being made, however, with coatings such as Amorphous Diamond and nanocomposite PVD coatings beginning to be seen at high-end shops.

Endmills are typically made on CNC (computer numeric controlled) tool and cutter grinder machines under high-pressure lubricants such as water, water-soluble oil, and high-flashpoint oil. Grinding inside the machine is accomplished with abrasive wheels mounted on a spindle (and in some cases, multiple spindles). Depending on what material is being ground, these wheels are made with industrial diamond (when grinding tungsten carbide), cubic boron nitride (when grinding cobalt steel), and other materials (when grinding, for instance, ceramics), set in a bond (sometimes copper).