Drill Bits Metal Feed and Speed charts

Advantage Drills Incorperated. Drill bits and cutting tools

Advantage Drills Incorporated
Phone: 407-478-BITS (2487)
Fax: 407-678-7414
sales@advantagedrills.com
Over 31 Years Manufacturing and Distributing Quality Drill Bits and all Cutting Tools. World Wide.

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MATERIAL	BRIELLE	DRILLS			REAMERS		TAPS - S.F.M.
		S.F.M	POINT	FEED	S.F.M.	FEED	THREADS PER INCH
		S.F.M	POINT	FEED	S.F.M.	FEED	3-7 1/2	8-15	16-24	25-UP
Aluminum	99-101	200-250	118º	M	150-160	M	50	100	150	200
Aluminum bronze	170-187	60	118º	M	40-45	M	12	25	45	60
Bakelite	---	80	60-90º	M	50-60	M	50	100	150	200
Brass	192-202	200-250	118º	H	150-160	H	50	100	150	200
Bronze, common	166-183	200-250	118º	H	150-160	H	40	80	100	150
Bronze, phosphor, 1/2 hard	187-202	175-180	118º	M	130-140	M	25	40	50	80
Bronze, phosphor, soft	149-163	200-250	118º	H	150-160	H	40	80	100	150
Cast iron, soft	126	140-150	90º	H	100-110	H	30	60	90	140
Cast iron, medium soft	196	80-110	118º	M	50-65	M	25	40	50	80
Cast iron, hard	293-302	45-50	118º	L	67-75	L	10	20	30	40
Cast iron, chilled*	402	15	150º	L	8-10	L	5	5	10	10
Cast steel	286-302	40-50*	118º	L	70-75	L	20	30	40	50
Celluloid	---	100	90º	M	75-80	M	50	100	150	200
Copper	80-85	70	100º	L	45-55	L	40	80	100	150
Drop forging (steel)	170-196	60	118º	M	40-45	M	12	25	45	60
Duralumin	90-104	200	118º	M	150-160	M	50	100	150	200
Everdure	179-207	60	118º	L	40-45	L	20	30	40	50
Machinery steel	170-196	110	118º	H	67-75	H	35	50	60	85
Magnet steel, soft	241-302	35-40	118º	M	20-25	M	20	40	50	75
Magnet steel, hard*	321-512	15	150º	L	10	L	5	10	15	25
Manganese steel, 7-13*	187-217	15	150º	L	10	L	15	20	25	30
Manganese copper, 30 Mn.*	134	15	150º	L	10-12	L	---	---	---	---
Malleable iron	112-126	85-90	118º	H	---	H	20	30	40	50
Mild steel, .20-.30C	170-202	110-120	118º	H	75-85	H	40	55	70	90
Molybdenum steel	196-235	55	125º	M	35-45	M	20	30	35	45
Monell metal	149-170	50	118º	M	35-38	M	8	10	15	20
Nickel, pure*	187-202	75	118º	L	40	L	25	40	50	80
Nickel steel, 3-1/2%	196-241	60	118º	L	40-45	L	8	10	15	20
Rubber, hard	---	100	60-90º	L	70-80	L	50	100	150	200
Screw stock, C.R.	170-196	110	118º	H	75	H	20	30	40	50
Spring steel	402	20	150º	L	12-15	L	10	10	15	15
Stainless steel	146-149	50	118º	M	30	M	8	10	15	20
Stainless steel, C.R.*	460-477	20	118º	L	15	L	8	10	15	20
Steel, .40 to .50C	170-196	80	118º	M	8-10	M	20	30	40	50
Tool, S.A.E., and Forging steel	149	75	118º	H	35-40	H	25	35	45	55
Tool, S.A.E., and Forging steel	241	50	125º	M	12	M	15	15	25	25
Tool, S.A.E., and Forging steel*	402	15	150º	L	10	L	8	10	15	20
Zinc alloy	112-126	200-250	118º	M	150-175	M	50	100	150	200

Drill Feed Per Revolution in Inches						Reamer Feed
REFERENCE SYMBOL	DIAMETER OF DRILL - INCHES					ALL DIAMETERS
REFERENCE SYMBOL	UNDER 1/8	1/8 TO 1/4	1/4 TO 1/2	1/2 TO 1	OVER 1" DIAMETER	Use a feed equal to two or three times that recommended for drills.
L - Light	.001	.002	.003	.005	.006
M - Medium	.0015	.003	.006	.010	.012
H - Heavy	.0025	.005	.010	.020	.025