Actually router bits, Its a nice starter article for DIY CNC.
http://100kgarages.com/blog/2013/04/cnc-router-bits-demystified/#.U2PKNHVDtu4
Actually router bits, Its a nice starter article for DIY CNC.
http://100kgarages.com/blog/2013/04/cnc-router-bits-demystified/#.U2PKNHVDtu4