Peripheral Machining

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	110	127	143	132	158	185
DIA./8	85	98	111	102	122	143
DIA./4	75	86	98	90	108	126
DIA./2	65	75	85	78	94	109

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
.0015	.0023	.0030	.0038	.0045	.0053	.0060
.0013	.0019	.0025	.0031	.0038	.0044	.0050
.0010	.0015	.0020	.0025	.0030	.0035	.0040
.0008	.0011	.0015	.0019	.0023	.0026	.0030

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	55	63	72	66	79	92
DIA./4	50	58	65	60	72	84
DIA./2	45	52	59	54	65	76
DIA./1	40	46	52	48	58	67

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
.0013	.0019	.0025	.0031	.0038	.0044	.0050
.0011	.0015	.0020	.0025	.0030	.0035	.0040
.0008	.0011	.0015	.0019	.0023	.0026	.0030
.0005	.0008	.0010	.0013	.0015	.0018	.0020