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. 523-0436
BrandRS PRO
MYR43.53
Each
units
1mm 2mm 3 HSCo 24.5 mm Weldon 6 mm - -
RS Stock No. 523-0571
BrandRS PRO
MYR33.32
Each
units
4mm 9.5mm 3 HSS 39 mm Weldon 6 mm - -
RS Stock No. 523-0600
BrandRS PRO
MYR31.93
Each
units
6mm 16mm 3 HSS 48 mm Weldon 6 mm - -
RS Stock No. 523-0559
BrandRS PRO
MYR34.95
Each
units
3mm 7.5mm 3 HSS 34 mm Weldon 6 mm - -
RS Stock No. 523-0515
BrandRS PRO
MYR31.18
Each
units
6mm 9.5mm 3 HSCo 36 mm Weldon 6 mm - -
RS Stock No. 523-0543
BrandRS PRO
MYR39.21
Each
units
2.5mm 6.5mm 3 HSS 32 mm Weldon 6 mm - -
RS Stock No. 523-0593
BrandRS PRO
MYR35.07
Each
units
5mm 12.5mm 3 HSS 44.5 mm Weldon 6 mm - -
RS Stock No. 523-0458
BrandRS PRO
MYR33.26
Each
units
2mm 3mm 3 HSCo 25.5 mm Weldon 6 mm - -
RS Stock No. 523-0470
BrandRS PRO
MYR31.21
Each
units
3mm 4.5mm 3 HSCo 28 mm Weldon 6 mm - -
RS Stock No. 523-0492
BrandRS PRO
MYR34.92
Each
units
4mm 6.5mm 3 HSCo 32.5 mm Weldon 6 mm - -
RS Stock No. 523-0537
BrandRS PRO
MYR38.93
Each
units
2mm 4.5mm 3 HSS 29 mm Weldon 6 mm - -
RS Stock No. 523-0565
BrandRS PRO
MYR33.57
Each
units
3.5mm 8.5mm 3 HSS 36.5 mm Weldon 6 mm - -
RS Stock No. 523-0464
BrandRS PRO
MYR33.26
Each
units
2.5mm 4mm 3 HSCo 26 mm Weldon 6 mm - -
RS Stock No. 523-0521
BrandRS PRO
MYR41.75
Each
units
1.5mm 4mm 3 HSS 28 mm Weldon 6 mm - -
RS Stock No. 185-7558
BrandRS PRO
MYR1,147.01
1 Set
Set(s)
3 mm, 4 mm, 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm 9.5 mm, 12.5 mm, 16 mm, 18 mm, 21 mm, 24 mm, 28.5 mm, 35 mm, 38 mm 4 - 54 mm, 57 mm, 60.5 mm, 63.5 mm, 66.5 mm, 70 mm, 73 mm, 77 mm, 80 mm, 83.5 mm Screwed 6 mm, 12 mm, 16 mm Yes BS 122/4
RS Stock No. 523-0486
BrandRS PRO
MYR33.26
Each
units
3.5mm 5.5mm 3 HSCo 30 mm Weldon 6 mm - -
RS Stock No. 136-8073
BrandRS PRO
MYR680.00
Each
units
8 mm, 10 mm, 12 mm, 16 mm, 20 mm - 4 HSS 100 mm Screwed - Yes BS 122/4
RS Stock No. 523-0509
BrandRS PRO
MYR34.92
Each
units
5mm 7.5mm 3 HSCo 36 mm Weldon 6 mm - -
RS Stock No. 666-6700
Mfr. Part No.S9046.0
BrandDormer
MYR97.46
Each
units
6mm 19mm 4 Solid Carbide 57 mm Plain 6 mm Yes h12
RS Stock No. 666-6710
Mfr. Part No.S90410.0
BrandDormer
MYR183.71
Each
units
10mm 22mm 4 Solid Carbide 72 mm Plain 10 mm Yes h12
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