Spade Drill Inserts - Flat Bottom Super Cobalt T-15

FLAT BOTTOM
SPADE DRILL INSERTS
SUPER COBALT T-15
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Series Min-Max	Inch Dia	Dec. Dia	TiN Coated Part Number	TiAlN Coated Part Number
Y .374" to .436" 3/32" thick	3/8	.3750	YG-SF05024	YG-SF15024
	13/32	.4063	YG-SF05026	YG-SF15026
	7/16	.4375	YG-SF05028	YG-SF15028
Z .437" to .510" 3/32" thick	15/32	.4688	YG-SF05030	YG-SF15030
Z .437" to .510" 3/32" thick	1/2	.5000	YG-SF05032	YG-SF15032
0 .511" to .695" 1/8" thick	17/32	.5313	YG-SF05034	YG-SF15034
	9/16	.5625	YG-SF05036	YG-SF15036
	19/32	.5938	YG-SF05038	YG-SF15038
	5/8	.6250	YG-SF05040	YG-SF15040
	21/32	.6563	YG-SF05042	YG-SF15042
	11/16	.6875	YG-SF05044	YG-SF15044
1 .690" to .960" 5/32" thick	23/32	.7188	YG-SF05046	YG-SF15046
	3/4	.7500	YG-SF05048	YG-SF15048
	25/32	.7813	YG-SF05050	YG-SF15050
	13/16	.8125	YG-SF05052	YG-SF15052
	27/32	.8438	YG-SF05054	YG-SF15054
	7/8	.8750	YG-SF05056	YG-SF15056
	29/32	.9063	YG-SF05058	YG-SF15058
	15/16	.9375	YG-SF05060	YG-SF15060
2 .961" to 1.380" 3/16" Thick	31/32	.9688	YG-SF05062	YG-SF15062
	1	1.0000	YG-SF05100	YG-SF15100
	1-1/32	1.0313	YG-SF05102	YG-SF15102
	1-1/16	1.0625	YG-SF05104	YG-SF15104
	1-3/32	1.0938	YG-SF05106	YG-SF15106
	1-1/8	1.1250	YG-SF05108	YG-SF15108
	1-5/32	1.1563	YG-SF05110	YG-SF15110
	1-3/16	1.1875	YG-SF05112	YG-SF15112
	1-7/32	1.2188	YG-SF05114	YG-SF15114
	1-1/4	1.2500	YG-SF05116	YG-SF15116
	1-9/32	1.2813	YG-SF05118	YG-SF15118
	1-5/16	1.3125	YG-SF05120	YG-SF15120
	1-11/32	1.3438	YG-SF05122	YG-SF15122
	1-3/8	1.3750	YG-SF05124	YG-SF15124

SPEED & FEEDS
CUTTING CONDITIONS FOR T-15
FLAT BOTTOM SPADE DRILL INSERTS

Material	Material Hardness (Bhn)	Speed (SFM)		Feed
Material	Material Hardness (Bhn)	Tin	TiAlN	3/8 - 1/2	33/64 - 11/16	45/64 - 15/16	31/32 - 1-3/8
Free Machining Steel 1213, 12L13, 1215 12L14, 1118	100-150	165	220	0.005	0.007	0.010	0.013
	150-200	150	215	0.005	0.007	0.010	0.013
	200-250	135	190	0.004	0.007	0.010	0.012
Low Carbon Steel 1015, 1020, 1140 1025	85-125	140	195	0.005	0.007	0.009	0.012
	125-175	135	190	0.005	0.007	0.009	0.012
	175-225	125	180	0.004	0.006	0.008	0.011
	225-275	115	175	0.004	0.006	0.008	0.011
Medium Carbon 1035, 1050, 1045 1055, 1140	125-175	135	195	0.004	0.007	0.009	0.011
	175-225	125	180	0.004	0.006	0.007	0.011
	225-275	115	165	0.004	0.006	0.007	0.011
	275-325	105	150	0.003	0.005	0.007	0.009
Structural Steel A36, A516 A182	100-150	115	165	0.004	0.007	0.009	0.011
	150-250	100	140	0.004	0.007	0.008	0.009
	250-350	80	115	0.003	0.006	0.007	0.008
Cast Iron/SG Iron A48-76 GR30/GR45 A536-72 60-40-18 A220-76 GR40010	120-150	145	215	0.005	0.010	0.014	0.016
	150-200	130	190	0.005	0.008	0.011	0.016
	200-220	110	165	0.005	0.008	0.010	0.014
	220-260	95	150	0.004	0.006	0.008	0.010
	260-320	80	120	0.004	0.005	0.006	0.008
Alloy Steel 8620, 4130, 4137 4140, 6150	125-175	125	165	0.005	0.006	0.008	0.011
	175-225	115	150	0.004	0.006	0.008	0.011
	225-275	105	145	0.004	0.005	0.007	0.011
	275-325	100	140	0.003	0.005	0.007	0.009
	325-375	90	120	0.003	0.005	0.007	0.009
Tool Steel H13, H21, A2, S1	150-200	65	90	0.003	0.005	0.006	0.008
Tool Steel H13, H21, A2, S1	200-250	45	75	0.003	0.005	0.006	0.008
High Temp. Alloy Hastelloy B, Inconel	140-220	20	30	0.003	0.005	0.006	0.008
High Temp. Alloy Hastelloy B, Inconel	220-310	15	25	0.003	0.004	0.006	0.006
High Strength Alloys 9840, 4340 4330V etc	225-300	65	90	0.004	0.006	0.007	0.008
	300-350	45	70	0.003	0.006	0.007	0.008
	350-400	40	60	0.003	0.005	0.006	0.007
Aluminum 2014, 6061, 7075	30	520	700	0.007	0.011	0.014	0.017
Aluminum 2014, 6061, 7075	180	255	390	0.007	0.011	0.014	0.016
Stainless Steel 310, 316, 410, 330	135-185	60	90	0.005	0.007	0.008	0.009
Stainless Steel 310, 316, 410, 330	185-275	50	80	0.004	0.006	0.007	0.009

The recommendations for speeds, feeds and other parameters presented in this chart are nominal recommendations and should be considered only as good starting points. Speed and feed reductions (20% reduction in speed and 10% reduction in feed) are recommended.