Axial Depth (A.D.) = Dia. X 1.5 Max.

Radial Depth (R.D.) Ratio	Surface Feet per Minute (S.F.P.M.)
	Finishing End Mill			Roughing End Mill
	STD.	TiN.	TiCN.	STD.	TiN.	TiCN.
DIA./16	650	748	845	780	936	1092
DIA./8	550	663	715	660	792	924
DIA./4	450	518	585	540	648	756
DIA./2	350	403	455	420	504	588

Feed per Tooth (F.P.T.) by Diameter Note: Increase F.P.T. by 25% to 35% for 60 Degree end mills Note: Increase F.P.T. by 25% for TiCN coating.
1/4"	3/8"	1/2"	5/8"	3/4"	7/8"	1." & Up
.0045	.0068	.0090	.0113	.0135	.0158	.0180
.0040	.0023	.0060	.0100	.0120	.0140	.0160
.0035	.0053	.0070	.0088	.0105	.0123	.0140
.0030	.0045	.0060	.0075	.0090	.0105	.0120

Slot Machining

Radial Depth (R.D.) = Tool Dia.

Axial Depth (A.D.) Ratio	Surface Feet per Minute (S.F.P.M.)
	Finishing End Mill			Roughing End Mill
	STD.	TiN.	TiCN.	STD.	TiN.	TiCN.
DIA./8	500	575	650	600	720	840
DIA./4	450	518	585	540	648	756
DIA./2	400	460	520	480	576	672
DIA./1	300	345	390	360	432	504

Feed per Tooth (F.P.T.) by Diameter Note: Increase F.P.T. by 25% to 35% for 60 Degree end mills Note: Increase F.P.T. by 25% for TiCN coating.
1/4"	3/8"	1/2"	5/8"	3/4"	7/8"	1." & Up
.0025	.0038	.0050	.0063	.0075	.0088	.0100
.0020	.0030	.0040	.0050	.0060	.0070	.0080
.0015	.0023	.0030	.0038	.0045	.0053	.0060
.0010	.0015	.0020	.0025	.0030	.0035	.0040