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 Number of Flutes Material Overall Length Shank Type Shank Diameter Centre Cutting Diameter Tolerance
RS Stock No. 666-6700
Mfr. Part No.S9046.0
BrandDormer
€19.18
Each
units
6mm 19mm - Solid Carbide 57 mm Plain 6 mm Yes -
RS Stock No. 666-6697
Mfr. Part No.S9044.0
BrandDormer
€16.36
Each
units
4mm 14mm - Solid Carbide 50 mm Plain 4 mm Yes -
RS Stock No. 666-6693
Mfr. Part No.S9043.0
BrandDormer
€14.31
Each
units
3mm 12mm - Solid Carbide 38 mm Plain 3 mm Yes -
RS Stock No. 666-6710
Mfr. Part No.S90410.0
BrandDormer
€36.55
Each
units
10mm 22mm - Solid Carbide 72 mm Plain 10 mm Yes -
RS Stock No. 666-6681
Mfr. Part No.S9042.0
BrandDormer
€15.77
Each
units
2mm 6mm - Solid Carbide 38 mm Plain 3 mm Yes -
RS Stock No. 523-0593
BrandRS PRO
€9.59
Each
units
5mm 12.5mm - HSS 44.5 mm Weldon 6 mm - -
RS Stock No. 666-6707
Mfr. Part No.S9045.0
BrandDormer
€17.94
Each
units
5mm 16mm - Solid Carbide 50 mm Plain 5 mm Yes -
RS Stock No. 523-0559
BrandRS PRO
€9.28
Each
units
3mm 7.5mm - HSS 34 mm Weldon 6 mm - -
RS Stock No. 666-6713
Mfr. Part No.S9048.0
BrandDormer
€26.14
Each
units
8mm 19mm - Solid Carbide 63 mm Plain 8 mm Yes -
RS Stock No. 523-0470
BrandRS PRO
€8.89
Each
units
3mm 4.5mm - HSCo 28 mm Weldon 6 mm - -
RS Stock No. 666-6729
Mfr. Part No.S90412.0
BrandDormer
€51.96
Each
units
12mm 25mm - Solid Carbide 73 mm Plain 12 mm Yes -
RS Stock No. 523-0464
BrandRS PRO
€8.89
Each
units
2.5mm 4mm - HSCo 26 mm Weldon 6 mm - -
RS Stock No. 523-0571
BrandRS PRO
€9.59
Each
units
4mm 9.5mm - HSS 39 mm Weldon 6 mm - -
RS Stock No. 523-0565
BrandRS PRO
€9.48
Each
units
3.5mm 8.5mm - HSS 36.5 mm Weldon 6 mm - -
RS Stock No. 523-0492
BrandRS PRO
€8.89
Each
units
4mm 6.5mm - HSCo 32.5 mm Weldon 6 mm - -
RS Stock No. 666-6726
Mfr. Part No.S90416.0
BrandDormer
€85.94
Each
units
16mm 32mm - Solid Carbide 92 mm Plain 16 mm Yes -
RS Stock No. 866-0622
Mfr. Part No.32A3R042B32-SLN12-C
BrandPramet
€321.13
Each
units
32mm 42mm - - 103 mm Weldon 32 mm - -
RS Stock No. 696-336
Mfr. Part No.C380 1-0MM
BrandDormer
€12.00
Each
units
1mm 2mm - HSCo 24.5 mm Flatted 6 mm - -
RS Stock No. 523-0486
BrandRS PRO
€8.89
Each
units
3.5mm 5.5mm - HSCo 30 mm Weldon 6 mm - -
RS Stock No. 728-7998
Mfr. Part No.C24714.0
BrandDormer
€66.19
Each
units
14mm 26mm - HSCo 83 mm Weldon 12 mm Yes -