end mill - side view
End Mills are solid shank milling tools designed to use side cutting flute edges to machine most materials. There are two cutting styles. Non-center cutting (side cutting only) and center grinding (side and end plunge cutting). They are available with two flutes, three flutes, four flutes, six flutes and even eight flutes for cutting. More flutes reduces chip load and can improve the surface finish. End mills may be a single end or double end design. There are five standard lengths (stub, regular, long flute, extra long flute, and extended length) for end mills.

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CHOOSE AN END MILL TYPE
2 FLUTE - SINGLE END MILLS
Two Flute Single End Style End Mills are designed for center (plunge) cutting to depth and then milling sideways into work. It can also be used for spot facing, counter boring, edge-planing, slot, shell, and pocket milling. Using two flutes allows for maximum chip ejection.

REGULAR FLUTE
High Speed Steel 2 Flute Single End Mills page 254
Titanium Nitride Coated 2 Flute Single End Mills - (TiN) page 254

LONG FLUTE
Long Flute Style End Mills are used when a deeper cut or longer reach is required to mill slots or pockets.

Long Flute High Speed Steel 2 Flute Single End Mills page 254
Long Flute Titanium Nitride Coated 2 Flute Single End Mills (TiN) page 254

EXTRA LENGTH
Extra Length Style End Mills are used when a deeper cut or longer reach is required to mill slots or pockets.

High Speed Steel Extra Length 2 Flute Single End Mills page 255
Titanuim Nitride Coated Extra Length 2 Flute Single End Mills (TiN) page 255

BALL NOSE
The Ball Nose End Style is used for round bottom holes or slots, and contour milling.

High Speed Steel Ball Nose 2 Flute Single End Mills page 256
Titanium Nitride Coated Ball Nose 2 Flute Single End Mills (TiN) page 256

BALL NOSE EXTRA LENGTH
The Extra Length Styles are used when a deeper cut or longer reach is required to mill slots or pockets. The Ball Nose End Style is used for round bottom holes or slots, and contour milling.

High Speed Steel Extra Length Ball Nose 2 Flute Single End Mills page 256
Titanium Nitride Extra Length Ball Nose 2 Flute Single End Mills (TiN) page 256
2 FLUTE - DOUBLE END MILLS
Two Flute Double End Style End Mills are used for production milling to save time and tool inventory. Using two flutes allows for maximum chip ejection.

REGULAR FLUTE
High Speed Steel 2 Flute Double End Mills page 255
Titanium Nitride Coated 2 Flute Double End Mills (TiN) page 255

BALL NOSE
The Ball Nose End Style is used for round bottom holes or slots, and contour milling.

High Speed Steel Ball Nose 2 Flute Double End Mills page 256
Titanium Nitride Coated Ball Nose 2 Flute Double End Mills (TiN) page 256
2 FLUTE END MILLS - METRIC
Two Flute Single End Style Metric Diameter End Mills are designed for center (plunge) cutting to depth and then milling sideways into work. It can also be used for spot facing, counter boring, edge-planing, slot, shell, and pocket milling. Using two flutes allows for maximum chip ejection.

SINGLE END
High Speed Steel Metric 2 Flute Single End Mills page 257
Titanium Nitride Coated Metric 2 Flute Single End Mills (TiN) page 257

DOUBLE END
The Double End Style is used for production milling to save time and tool inventory.

High Speed Steel Metric 2 Flute Double End Mills page 257
Titanium Nitride Coated Metric 2 Flute Double End Mills (TiN) page 257
2 FLUTE - SINGLE END MILLS FOR ALUMINUM
REGULAR LENGTH
Single End Mills for Aluminum - 2 Flute - High Speed Steel (HSS) page 262
High Speed Steel 2 Flute High Helix End Mills are designed for spot facing, counterboring, edge-planing, slot, shell, and pocket milling in aluminum, aluminum alloys, "aviation aluminum", copper, copper alloys, and thermo plastics. Special high helix angle for maximum chip removal and positive shearing action. They can also plunge cut.

Single End Mills for Aluminum - 2 Flute - Zirconium Nitride Coated (ZrN) page 262
Zirconium Nitride Coated 2 Flute High Helix End Mills are designed for spot facing, counterboring, edge-planing, slot, shell, and pocket milling in aluminum, aluminum alloys, "aviation aluminum", copper, copper alloys, and thermo plastics. Special high helix angle for maximum chip removal and positive shearing action. They can also plunge cut. Zirconium Nitride coating minimizes packing of chips in the flutes and allows for very fast removal of material. Zirconium Nitride is harder than Titanium Nitride and can be subjected to higher operating temperatures. Performance reports show a 200% to 500% improvement over Titanium Nitride when machining aforementioned materials.

LONG LENGTH
Single End Mills for Aluminum - Long Length - 2 Flute - High Speed Steel (HSS) page 262
High Speed Steel Long Length 2 Flute High Helix End Mills are designed with a longer flute to allow deeper spot facing, counterboring, edge-planing, slot, shell, and pocket milling in aluminum, aluminum alloys, "aviation aluminum", copper, copper alloys, and thermo plastics. Special high helix angle for maximum chip removal and positive shearing action. They can also plunge cut.

Single End Mills for Aluminum - Long Length - 2 Flute - Zirconium Nitride Coated (ZrN) page 262
Zirconium Nitride Coated Long Length 2 Flute High Helix End Mills are designed with a longer flute to allow deeper spot facing, counterboring, edge-planing, slot, shell, and pocket milling in aluminum, aluminum alloys, "aviation aluminum", copper, copper alloys, and thermo plastics. Special high helix angle for maximum chip removal and positive shearing action. They can also plunge cut. Zirconium Nitride coating minimizes packing of chips in the flutes and allows for very fast removal of material. Zirconium Nitride is harder than Titanium Nitride and can be subjected to higher operating temperatures. Performance reports show a 200% to 500% improvement over Titanium Nitride when machining aforementioned materials.
4 FLUTE - SINGLE END MILLS
Four Flute End Mills can produce a better rigidity and finish on ferrous metals.

REGULAR FLUTE
High Speed Steel 4 Flute Single End Mills page 258
Titanium Nitride Coated 4 Flute Single End Mills (TiN) page 258

CENTER CUTTING
High Speed Steel Center Cutting 4 Flute Single End Mills page 260
Titanium Nitride Coated Center Cutting 4 Flute Single End Mills (TiN) page 260

BALL NOSE
High Speed Steel Ball Nose 4 Flute Single End Mills page 261
Titanium Nitride Coated Ball Nose 4 Flute Single End Mills (TiN) page 261

BALL NOSE - LONG FLUTE
Long Flute High Speed Steel Ball Nose 4 Flute Single End Mills page 261
Long Flute Titanium Nitride Coated Ball Nose 4 Flute Single End Mills (TiN) page 261

LONG FLUTE - CENTER CUTTING
Long Flute High Speed Steel Center Cutting 4 Flute Single End Mills page 260
Long Flute Titanium Nitride Coated Center Cutting 4 Flute Single End Mills (TiN) page 260

LONG FLUTE - NON-CENTER CUTTING
Long Flute High Speed Steel 4 Flute Single End Mills page 259
Long Flute Titanium Nitride Coated 4 Flute Single End Mills (TiN) page 259

EXTRA LONG FLUTE - CENTER CUTTING
Extra Long Flute High Speed Steel Center Cutting 4 Flute Single End Mills page 260
Extra Long Flute Titanium Nitride Coated Center Cutting 4 Flute Single End Mills (TiN) page 260

EXTRA LONG FLUTE - NON-CENTER CUTTING
Extra Long Flute High Speed Steel 4 Flute Single End Mills page 259
Extra Long Flute Titanium Nitride Coated 4 Flute Single End Mills (TiN) page 259
4 FLUTE - DOUBLE END MILLS
Four Flute End Mills can produce a better rigidity and finish on ferrous metals. Double End Style End Mills are used for production milling to save time and tool inventory.

NON-CENTER CUTTING
High Speed Steel Non-Center Cutting 4 Flute Double End Mills page 261
Titanium Nitride Coated Non-Center Cutting 4 Flute Double End Mills (TiN) page 261

CENTER CUTTING
High Speed Steel Center Cutting 4 Flute Double End Mills page 262
Titanium Nitride Coated Center Cutting 4 Flute Double End Mills (TiN) page 262
4 FLUTE - END MILLS - METRIC
Four Flute End Mills can produce a better rigidity and finish on ferrous metals.

SINGLE END
High Speed Steel Metric Single End Mills page 263
Titanium Nitride Coated Metric Single End Mills page 263

DOUBLE END
High Speed Steel Metric Double End Mills page 263
Titanium Nitride Coated Metric Double End Mills page 263
6 & 8 FLUTE - SINGLE END MILLS
Six and Eight Flute End Mills are beneficial for reducing chip load and excellent for putting on the final finish. Sometimes referred to as Finishing End Mills.

REGULAR FLUTE
High Speed Steel 6 Flute Single End Mills page 258
High Speed Steel 8 Flute Single End Mills page 258
Titanium Nitride Coated 6 Flute Single End Mills (TiN) page 258
Titanium Nitride Coated 8 Flute Single End Mills (TiN) page 258

LONG FLUTE
Long Flute High Speed Steel 6 Flute Single End Mills page 259
Long Flute High Speed Steel 8 Flute Single End Mills page 259
Long Flute Titanium Nitride Coated 6 Flute Single End Mills (TiN) page 259
Long Flute Titanium Nitride Coated 8 Flute Single End Mills (TiN) page 259

EXTRA LONG FLUTE
Extra Long Flute High Speed Steel 6 Flute Single End Mills page 259
Extra Long Flute Titanium Nitride Coated 6 Flute Single End Mills (TiN) page 259