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Router Bits

Router BitsGenerally, cutting wood works best with straight two flute bits and plastic with single flute up-cut spiral bits. Down cut spiral bits can provide cleaner cuts in wood and may be worth the extra cost in some applications (I'm not sure the X-Carve is rigid enough for them to make a difference). Compression (up/down spirals) bits are worthless on the X-Carve, they are only beneficial on single pass (full depth) through cuts.

Wood pocket cutting works reasonably well with a 3/8" T-slot cutting bit. The primary reason is the relatively large cutting surface on the bottom of the bit. Most specialty surfacing/bottom cleaning bits are too big for the X-Carve. While 1/2" open center mortising bits are another option, they are typically significantly more expensive and the current Easel algorithms favor 3/8" (over 1/2 and 1/4")... Nov '19: anything over 1/8" takes longer, i.e. there's no advantage to using a larger bit.

Inventables bit articles:
Carving Bits 101 - Bit Basics
Carving Bits 201 - Feeds, Speeds, and V-Bits

Cheap Bits:
AliExpress : Milling Cutters
single flute   single flute 10pcs (e.g. 1/8 carbide $6+)
straight two flutes   straight two flutes 10pcs (e.g. 1/8 carbide $9+)
1/4" shank, 3/8" pocket cutting
The straight two flute HUHAO (Hozly looks very similar) brand is better than Fdit (Walfront looks very similar). Both the tip and edge grinding is simplified/slightly flawed/cheaper on the Fdit's. More facets on the ground shape generally means higher quality and a few bucks more... That said, the Fdit's seem to cut fine. The Weix spiral two flute bits are ground well (better than Kitbakechen).

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