Guides
Every number links to its source.
Aluminum end mill speeds and feedsStarting SFM and chip load for carbide, cobalt and HSS end mills in 6061, with the published ranges behind them.Milling 304 stainless: speeds, feeds and flutesConservative starting values for 304 stainless and how to avoid work hardening.Slitting saw basics: teeth, depth and speedHow tooth count, depth of cut and saw thickness change slitting saw speeds and feeds.Chip thinning: why light cuts need more feedWhen radial width of cut drops below half the tool diameter, the real chip gets thinner than your feed per tooth.Choosing flute count for end mills2, 3, 4, 5 or more flutes: what the tool makers recommend for each material and operation.Runout: the hidden feed killerHow tool runout overloads one flute, and the tolerances saw and end mill makers publish.