Drilling and Reaming Speeds and Feed Rates for Carbide End Mills

Material	SFM	1/8 inch	1/4 inch	1/2 inch	3/4 inch	1 inch
Aluminum/Aluminum Alloy	400-1200	0.005	0.002	0.004	0.006	0.008
Brass/Bronze	250-500	0.001	0.002	0.003	0.004	0.005
Plastics	500-1500	0.0015	0.003	0.006	0.01	0.012
Cast/Malleable Iron	100-500	0.0005	0.001	0.003	0.005	0.007
Nickel Alloys	50-150	0.0005	0.008	0.001	0.0013	0.002
Monel	100-200	0.0005	0.001	0.0015	0.003	0.004
Leaded Steels	150-400	0.0005	0.0013	0.003	0.004	0.0065
Hardened Steels	25-100	0.0002	0.0005	0.001	0.002	0.003
Tool Steels	30-150	0.0002	0.0008	0.0015	0.002	0.003
Ductile Iron	100-375	0.0005	0.001	0.002	0.003	0.005
Stainless Steels up to 40 Rc	200-400	0.0005	0.001	0.003	0.004	0.006
Stainless Steels 40 Rc & Up	50-250	0.0003	0.0005	0.0012	0.003	0.005
Low Carbon Steels	150-400	0.0005	0.001	0.003	0.0045	0.0065
Medium Carbon Steels	125-300	0.0005	0.001	0.002	0.004	0.005
Titanium (soft)	100-400	0.0004	0.001	0.002	0.003	0.005
Titanium (hard)	50-150	0.0003	0.0005	0.001	0.002	0.0035