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Holding End Mills

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 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 set screw 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.

Options for Holding End Mills

Part
Number
Product 3MT Spindle R8 Spindle
1604 Collets, R8 Set of 6   X
1948 Collets, 3 Morse Taper Set of 11 X  
1615 Collets, 3 Morse Taper Set of 7 X  
1605-
1611
Collet, 3 Morse Taper X  
1258 End Mill Holder Set 5-Piece, R8   X
1636 End Mill Holder Set, 5-Piece 3MT - 3/8-16 X  
1253-
1257
End Mill Holder, R8   X
1631-
1635
End Mill Holder, 3MT X  

 

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