End Mills

An end mill is a type of cutting tool that is used in milling applications.
They have cutting edges on the end and sides of the shank enabling them to cut in all directions.
The purpose of an end mill
The end mill remove 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 flute allows maximum space for chip ejection and is used for general milling operations
• 3 flute is an excellent choice for slotting, it has a larger cross section and is used in general milling operations
• 4, 5, 6 and 8 flute 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
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
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. 666-6693
Mfr. Part No.S9043.0
BrandDormer
£11.12
Each
Units
3mm 12mm 4 Solid Carbide 38 mm Plain 3 mm Yes h12
RS Stock No. 666-6697
Mfr. Part No.S9044.0
BrandDormer
£12.71
Each
Units
4mm 14mm 4 Solid Carbide 50 mm Plain 4 mm Yes h12
RS Stock No. 666-6700
Mfr. Part No.S9046.0
BrandDormer
£14.90
Each
Units
6mm 19mm 4 Solid Carbide 57 mm Plain 6 mm Yes h12
RS Stock No. 666-6681
Mfr. Part No.S9042.0
BrandDormer
£12.74
Each
Units
2mm 6mm 4 Solid Carbide 38 mm Plain 3 mm Yes h12
RS Stock No. 666-6713
Mfr. Part No.S9048.0
BrandDormer
£20.31
Each
Units
8mm 19mm 4 Solid Carbide 63 mm Plain 8 mm Yes h12
RS Stock No. 666-6710
Mfr. Part No.S90410.0
BrandDormer
£29.50
Each
Units
10mm 22mm 4 Solid Carbide 72 mm Plain 10 mm Yes h12
RS Stock No. 666-6726
Mfr. Part No.S90416.0
BrandDormer
£69.42
Each
Units
16mm 32mm 4 Solid Carbide 92 mm Plain 16 mm Yes h12
RS Stock No. 666-6707
Mfr. Part No.S9045.0
BrandDormer
£14.48
Each
Units
5mm 16mm 4 Solid Carbide 50 mm Plain 5 mm Yes h12
RS Stock No. 666-6729
Mfr. Part No.S90412.0
BrandDormer
£41.94
Each
Units
12mm 25mm 4 Solid Carbide 73 mm Plain 12 mm Yes h12
RS Stock No. 466-100
Mfr. Part No.C247 11,0
BrandDormer
£32.35
Each
Units
11mm 79mm 4 HSCo 79 mm Weldon 12 mm Yes k10
RS Stock No. 666-6738
Mfr. Part No.S90420.0
BrandDormer
£110.95
Each
Units
20mm 38mm 4 Solid Carbide 104 mm Plain 20 mm Yes h12
RS Stock No. 359-6784
Mfr. Part No.C273-2.00
BrandDormer
£23.47
Each
Units
2mm 10mm 4 HSCo 54 mm Weldon 6 mm Yes k10
RS Stock No. 728-7901
Mfr. Part No.C2738.0
BrandDormer
£42.75
Each
Units
8mm 38mm 4 HSCo 88 mm Weldon 10 mm Yes k10
RS Stock No. 728-8002
Mfr. Part No.C24720.0
BrandDormer
£89.11
Each
Units
20mm 38mm 4 HSCo 104 mm Weldon 20 mm Yes k10
RS Stock No. 666-6722
Mfr. Part No.S90414.0
BrandDormer
£52.88
Each
Units
14mm 30mm 4 Solid Carbide 83 mm Plain 14 mm Yes h12
RS Stock No. 666-6690
Mfr. Part No.S9042.5
BrandDormer
£15.29
Each
Units
2.5mm 9mm 4 Solid Carbide 38 mm Plain 3 mm Yes h12
RS Stock No. 728-7829
Mfr. Part No.C2472.0
BrandDormer
£28.87
Each
Units
2mm 7mm 4 HSCo 51 mm Weldon 6 mm Yes k10
RS Stock No. 728-7917
Mfr. Part No.C27310.0
BrandDormer
£46.79
Each
Units
10mm 45mm 4 HSCo 95 mm Weldon 10 mm Yes k10
RS Stock No. 728-7995
Mfr. Part No.C24712.0
BrandDormer
£44.28
Each
Units
12mm 26mm 4 HSCo 83 mm Weldon 12 mm Yes k10
RS Stock No. 666-6704
Mfr. Part No.S9047.0
BrandDormer
£22.86
Each
Units
7mm 19mm 4 Solid Carbide 63 mm Plain 8 mm Yes h12