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. 523-0436
BrandRS PRO
HK$108.21
Each
units
1mm 2mm HSCo 24.5 mm Weldon 6 mm - -
RS Stock No. 696-336
Mfr. Part No.C380 1-0MM
BrandDormer
HK$119.30
Each
units
1mm 2mm HSCo 24.5 mm Flatted 6 mm - E8
RS Stock No. 728-7872
Mfr. Part No.C24725.0
BrandDormer
HK$1,678.86
Each
units
25mm 45mm HSCo 121 mm Weldon 25 mm Yes K10
RS Stock No. 666-6726
Mfr. Part No.S90416.0
BrandDormer
HK$888.24
Each
units
16mm 32mm Solid Carbide 92 mm Plain 16 mm Yes H12
RS Stock No. 728-7891
Mfr. Part No.C2737.0
BrandDormer
HK$543.00
Each
units
7mm 30mm HSCo 80 mm Weldon 10 mm Yes K10
RS Stock No. 523-0492
BrandRS PRO
HK$42.41
Each
units
4mm 6.5mm HSCo 32.5 mm Weldon 6 mm - -
RS Stock No. 666-6716
Mfr. Part No.S9049.0
BrandDormer
HK$321.69
Each
units
9mm 21mm Solid Carbide 72 mm Plain 10 mm Yes H12
RS Stock No. 523-0543
BrandRS PRO
HK$86.17
Each
units
2.5mm 6.5mm HSS 32 mm Weldon 6 mm - -
RS Stock No. 695-816
Mfr. Part No.C382 6-0MM
BrandDormer
HK$90.48
Each
units
6mm 16mm HSCo 44.5 mm Flatted 6 mm - E8
RS Stock No. 728-7894
Mfr. Part No.C2736.0
BrandDormer
HK$422.32
Each
units
6mm 24mm HSCo 68 mm Weldon 6 mm Yes K10
RS Stock No. 523-0509
BrandRS PRO
HK$74.47
Each
units
5mm 7.5mm HSCo 36 mm Weldon 6 mm - -
RS Stock No. 728-7995
Mfr. Part No.C24712.0
BrandDormer
HK$525.94
Each
units
12mm 26mm HSCo 83 mm Weldon 12 mm Yes K10
RS Stock No. 523-0565
BrandRS PRO
HK$98.12
Each
units
3.5mm 8.5mm HSS 36.5 mm Weldon 6 mm - -
RS Stock No. 728-7857
Mfr. Part No.C24713.0
BrandDormer
HK$677.40
Each
units
13mm 26mm HSCo 83 mm Weldon 12 mm Yes K10
RS Stock No. 728-7986
Mfr. Part No.C24710.0
BrandDormer
HK$430.20
Each
units
10mm 22mm HSCo 72 mm Weldon 10 mm Yes K10
RS Stock No. 728-7920
Mfr. Part No.C27314.0
BrandDormer
HK$817.34
Each
units
14mm 53mm HSCo 110 mm Weldon 12 mm Yes K10
RS Stock No. 728-7835
Mfr. Part No.C2473/16
BrandDormer
HK$350.82
Each
units
4.8mm 13mm HSS-E-PM 57 mm Weldon 6 mm - K10
RS Stock No. 666-6697
Mfr. Part No.S9044.0
BrandDormer
HK$174.14
Each
units
4mm 14mm Solid Carbide 50 mm Plain 4 mm Yes H12
RS Stock No. 523-0515
BrandRS PRO
HK$88.39
Each
units
6mm 9.5mm HSCo 36 mm Weldon 6 mm - -
RS Stock No. 523-0464
BrandRS PRO
HK$89.87
Each
units
2.5mm 4mm HSCo 26 mm Weldon 6 mm - -