End Mills

An end mill is a type of cutting tool that is used in milling applications. End Mills have cutting edges on the end and sides of the shank enabling them to cut in all directions.


Why use an end mill?


The end mill removes material by their movement within the milling machine or from the cutter’s shape.


The number of flutes (spirals on the end mill) give different results:



  • 2 flutes allow maximum space for chip ejection and are used for general milling operations

  • 3 flutes is an excellent choice for slotting, it has a larger cross-section and is used in general milling operations

  • 4, 5, 6 and 8 flutes can improve the surface finish if the feed rate remains the same. A greater number of flutes reduces chip load and produces a much finer finish

What types of End Mills are available?


End cut types:



  • Centre cutting end mills have one or more cutting edges at the tip to allow the user to plunge, drill or ramp into a cut.

  • Non-Centre cutting end mills have peripheral teeth that allow the user to side cut or contour an external surface.

Shank Types



  • End mills with a plain shank are used with a collet style holder and are the most common shank type

  • End mills with a Weldon shank have one or two flats with set screws in the holder that tighten on the flanks of flats to hold the mill to prevent it
    from rotating

Typical applications of End Mills


End mills are used for profiling milling, face milling, tracer milling, semi-finishing and finishing.


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Description Price Cutter Diameter Cut Length Material Overall Length Shank Type Shank Diameter Centre Cutting Diameter Tolerance
RS Stock No. 523-0470
BrandRS PRO
TWD342.00
Each
units
3mm 4.5mm HSCo 28 mm Weldon 6 mm - -
RS Stock No. 728-7847
Mfr. Part No.C2476.5
BrandDormer
TWD1,844.00
Each
units
6.5mm 16mm HSCo 66 mm Weldon 10 mm Yes K10
RS Stock No. 523-0515
BrandRS PRO
TWD342.00
Each
units
6mm 9.5mm HSCo 36 mm Weldon 6 mm - -
RS Stock No. 695-816
Mfr. Part No.C382 6-0MM
BrandDormer
TWD311.00
Each
units
6mm 16mm HSCo 44.5 mm Flatted 6 mm - E8
RS Stock No. 728-7967
Mfr. Part No.C2474.0
BrandDormer
TWD1,251.00
Each
units
4mm 11mm HSCo 55 mm Weldon 6 mm Yes K10
RS Stock No. 728-7866
Mfr. Part No.C2475/8
BrandDormer
TWD3,059.00
Each
units
15.9mm 32mm HSS-E-PM 92 mm Weldon 16 mm - K10
RS Stock No. 359-6784
Mfr. Part No.C273-2.00
BrandDormer
TWD1,073.00
Each
units
2mm 10mm HSCo 54 mm Weldon 6 mm Yes K10
RS Stock No. 728-7923
Mfr. Part No.C2731/2
BrandDormer
TWD3,377.00
Each
units
12.8mm 53mm HSS-E-PM 110 mm Weldon 12 mm - K10
RS Stock No. 728-7914
Mfr. Part No.C27312.0
BrandDormer
TWD2,528.00
Each
units
12mm 53mm HSCo 110 mm Weldon 12 mm Yes K10
RS Stock No. 666-6722
Mfr. Part No.S90414.0
BrandDormer
TWD2,520.00
Each
units
14mm 30mm Solid Carbide 83 mm Plain 14 mm Yes H12
RS Stock No. 728-7831
Mfr. Part No.C2471/8
BrandDormer
TWD1,273.00
Each
units
3.2mm 10mm HSS-E-PM 54 mm Weldon 6 mm - K10
RS Stock No. 728-7897
Mfr. Part No.C2731/4
BrandDormer
TWD2,176.00
Each
units
6.4mm 30mm HSS-E-PM 80 mm Weldon 10 mm - K10
RS Stock No. 523-0486
BrandRS PRO
TWD342.00
Each
units
3.5mm 5.5mm HSCo 30 mm Weldon 6 mm - -
RS Stock No. 666-6697
Mfr. Part No.S9044.0
BrandDormer
TWD671.00
Each
units
4mm 14mm Solid Carbide 50 mm Plain 4 mm Yes H12
RS Stock No. 728-7872
Mfr. Part No.C24725.0
BrandDormer
TWD6,784.00
Each
units
25mm 45mm HSCo 121 mm Weldon 25 mm Yes K10
RS Stock No. 666-6707
Mfr. Part No.S9045.0
BrandDormer
TWD691.00
Each
units
5mm 16mm Solid Carbide 50 mm Plain 5 mm Yes H12
RS Stock No. 728-7998
Mfr. Part No.C24714.0
BrandDormer
TWD2,548.00
Each
units
14mm 26mm HSCo 83 mm Weldon 12 mm Yes K10
RS Stock No. 666-6729
Mfr. Part No.S90412.0
BrandDormer
TWD2,001.00
Each
units
12mm 25mm Solid Carbide 73 mm Plain 12 mm Yes H12
RS Stock No. 523-0509
BrandRS PRO
TWD342.00
Each
units
5mm 7.5mm HSCo 36 mm Weldon 6 mm - -
RS Stock No. 728-7992
Mfr. Part No.C24715.0
BrandDormer
TWD3,029.00
Each
units
15mm 26mm HSCo 83 mm Weldon 12 mm Yes K10