User`s guide

Milling
You can use collets or end mill holders to hold end mills. The world is split
about 50/50 on which is better. We will give you the arguments for both sides
and let you decide.
Collets End Mill Holders
Collets are shorter than end mill
holders and so give you more vertical
work area.
End mill holders are longer than
collets and so let you reach nearer the
mini mill's table.
Collets grip the end mill all the way
around and so provide a better grip.
End mill holders have a setscrew that
bears on the flat on the shank of the
end mill and so ensure that the end
mill cannot slip.
Collets are more concentric than end
mill holders because they grip all the
way around the end mill's shank.
Because they fit the end mill closely
end mill holders ensure concentricity.
Collets are less expensive than end
mill holders and so can be replaced
when they wear out.
End mill holders are more robust than
collets and are less prone to wear out.
It's fun juggling an end mill, a collet,
and a drawbar all at the same time
It is easier to replace an end mill in an
end mill holder because the end mill
holder can remain in the spindle.
Whether you choose end mill holders or collets, they are used to hold an end
mill in the spindle of the mini mill.
End mills are called that because they cut on the end, as well as on the
periphery. Earlier milling cutters used in horizontal milling machines only cut
on the periphery. This makes end mills versatile. You can mill the sides of a
workpiece, the top surface of a workpiece, and even cut slots and holes in a
workpiece.
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