End Mills. The Essential Beginners Guide.
Machining a groove or slot, often called full slotting, involves three machined faces: Slots closed at both ends are pockets, requiring end mills that can work in the axial direction Full slotting with an end mill is a demanding operation. The axial cutting depth should be generally reduced to . Feb 18,  · I would first use a 5/16 end mill to cut a central slot clear through the part. From there, it depends on your tolerance for the slot width. Most 3/8 2 and 4 flute end mills will cut oversize slots. A 3 flute end mill will cut closer to the nominal size. End mills are the cutters of the milling world and are used for slotting, profiling, contouring, counter-boring, and reaming. 4. End mills allow for precision parts to be cut, anything from machine parts, jewellery designs, wood engravings, sign making, plastic cutting, mold making and circuit boards.

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