endmill
Noun
Meaning
English Wikipedia has an article on:endmillWikipedia
endmill (plural endmills)
A type of milling cutter (a class of cutting tools used in machining) with cutting edges on both the end and sides.
Examples
These bits also needed a steeper rake and clearance angle to evacuate the chips than needed on a traditional endmill.
The Onsruter married a router plane with an endmill to create the first handheld power router.