Endmill Speeds and Feeds

Material		Speed SFM	Feed (I.P.R.)
			1/4	1/2	3/4	1.00
Aluminum / Aluminum Alloys		800-1200	.002	.004	.006	.008
Aluminum Alloyed Si>10%		500-900	.002	.004	.006	.008
Cast Irons	Soft	250-350	.0015	.004	.006	.008
	Medium	100-250	.001	.003	.005	.008
	Malleable	200-350	.001	.002	.004	.006
	Brass	300-450	.002	.003	.004	.005
	Bronze	250-350	.002	.003	.004	.005
Coppers/Copper Alloys		500-900	.002	.003	.005	.007
Magnesium		1000min	.002	.004	.006	.006
Nickel Alloys		200-300	.001	.002	.003	.004
Stainless Steels	Free Machining	300-400	.001	.002	.004	.006
	Work Hardening	150-300	.0005	.001	.003	.005
Steels	Low Carbon	350-600	.001	.003	.005	.006
	Medium Carbon	200-400	.001	.003	.005	.006
	High Tensile (35-40Rc)	175-300	.0005	.001	.002	.003
	High Tensile (40-45Rc)	150-250	.0005	.001	.002	.003
	High Tensile (45Rc +)	75-150	.0005	.001	.002	.003
Tool Steels		175-250	.001	.002	.003	.004
Titanium	Soft	125-300	.001	.002	.004	.006
	Hard	50-150	.0005	.001	.002	.004