Tooth and Speed Selection Chart

Material to Cut Bi-Metal Band S.F.P.M. Cut Rate Sq. In./Min. Feed Pressure Tool life Sq. In./Ft. Material Characteristics
LOW CARBON 1010-1019 MATRIX II 300-350 11 to 15 MEDIUM/LIGHT 650 to 800 FREE MACHINING
MEDIUM CARBON 1020-1050 MATRIX II 190-225 7 to 9 MEDIUM/LIGHT 425 to 700 FREE MACHINING
HIGH CARBON 1055-1095 MATRIX II 145-170 6 to 8 MEDIUM 300 to 400 FREE MACHINING
FREE MACHINING 1109-1113 MATRIX II 300-350 12 to 15 MEDIUM/LIGHT 700 to 850 FREE MACHINING
FREE MACHINING 1115-1213 MATRIX II 200-250 8 to 10 MEDIUM/LIGHT 500 to 750 FREE MACHINING
MANGANESE 1320-1340 M42/M51* 175-220 6 to 8 MEDIUM 330 to 375 WORK HARDENING
NICKEL 2015-2517 M42/M51* 225-250 6 to 7 MEDIUM 250 to 300 WORK HARDENING
NICKEL 2320-2350 M42/M51* 145-170 5 to 6 MEDIUM 250 to 300 WORK HARDENING
NICKEL 2512-2515 M42/M51* 175-200 4 to 5 MEDIUM 250 to 300 WORK HARDENING
NICKEL-CHROME 3115-3150 M42 125-160 6 to 9 MEDIUM 275 to 350 TENDENCY TO CHIP WELD
NICKEL-CHROME 3215-3240 M42/M51* 110-140 5 to 8 MEDIUM 250 to 300 WORK HARDENING
NICKEL-CHROME 3415-3450 M42/M51* 90-125 4 to 6 MEDIUM/HEAVY 250 to 300 WORK HARDENING
MOLYBDENUM 4023-4037 MATRIX II 230-270 6 to 8 MEDIUM 350 to 375 ABRASIVE
MOLYBDENUM 4042-4063 MATRIX II 180-220 5 to 7 MEDIUM/HEAVY 325 to 350 ABRASIVE
CHROME-MOLY 4120-4140 M42/M51* 185-210 5 to 7 MEDIUM 275 to 350 WORK HARDENING/ ABRASIVE
CHROME-MOLY 4320-4340 M42/M51* 180-230 5 to 7 MEDIUM 250 to 325 WORK HARDENING/ ABRASIVE
NICK-CHRO-MOLY 8620-8750 M42 175-230 5 to 7 MEDIUM 275 to 425 GOOD CUTTING CHARACTERISTICS
NICK-CHRO-MOLY 9310-9850 M42/M51* 160-220 4 to 6 MEDIUM/HEAVY 175 to 300 WORK HARDENING
NICKEL-MOLY 4615-4640 M42/M51* 210-240 5 to 7 MEDIUM 275 to 300 WORK HARDENING
NICKEL-MOLY 4812-4820 M42/M51* 175-190 4 to 6 MEDIUM/HEAVY 225 to 275 WORK HARDENING
CHROME 5120-5160 M42 190-230 6 to 8 MEDIUM 225 to 350 GOOD CUTTING CHARACTERISTICS
CHROME 50100-52100 M42/M51* 150-185 4 to 6 MEDIUM 200 to 275 ABRASIVE
CHRO-VAN-SILICON 6115-6120 M42 160-225 3 to 6 MEDIUM 200 to 275 ABRASIVE
SILICON 9255-9262 M42 175-210 8 to 16 MEDIUM 175 to 250 EXTREMELY ABRASIVE
STAINLESS 201-304 M42/M51* 80-125 2 to 4 MEDIUM/HEAVY 275 to 300 WORK HARDENING
STAINLESS 308-348 M42/M51* 55-80 1 to 2 MEDIUM/HEAVY 100 to 250 WORK HARDENING
STAINLESS 410-430 M42/M51* 110-150 2 to 4 MEDIUM 125 to 250 WORK HARDENING/ ABRASIVE
STAINLESS 440 & 17- series M42/M51* 75-110 1 to 2 MEDIUM/HEAVY 125 to 175 WORK HARDENING/ ABRASIVE
TOOL STEEL MI,M2,M3,TI,T2 M42/M51* 120-150 3 to 5 MEDIUM/HEAVY 125 to 175 WORK HARDENING/ ABRASIVE
DIE STEEL O-1, O-2, O-6, O-7 M42/M51* 175-210 3 to 5 MEDIUM/HEAVY 225 to 350 WORK HARDENING/ ABRASIVE
DIE STEEL A-2, A-4 M42/M51* 180-220 3 to 4 MEDIUM/HEAVY 200 to 250 WORK HARDENING/ ABRASIVE
DIE STEEL D-2, D-3, D-4 M42/M51* 90-120 2 to 3 MEDIUM/HEAVY 125 to 175 WORK HARDENING/ ABRASIVE
HOT WORK STEEL H12, H13, H21 M42 160-200 4 to 5 MEDIUM 275 to 325 ABRASIVE
HOT WORK STEEL H22, H24, H25 M42 130-175 2 to 4 MEDIUM/HEAVY 175 to 225 ABRASIVE
MONEL – M42/M51* 60-90 .5 to 4 MEDIUM/HEAVY 50 to 100 EXTREMELY WORK HARDENING
INCONEL – M42/M51* 50-80 .5 to 4 MEDIUM/HEAVY 25 to 70 EXTREMELY WORK HARDENING
HASTELLOY – M42/M51* 50-80 .5 to 4 MEDIUM/HEAVY 55 to 100 EXTREMELY WORK HARDENING
TITANIUM – M42/M51* 40-60 .5 to 4 MEDIUM/HEAVY 25 to 60 EXTREMELY WORK HARDENING
ALUMINUM 2011-7075 MATRIX II 325-400 14 to 25 MEDIUM/LIGHT 175 to 275 ABRASIVE/ CHIP BUILDUP
COPPER – MATRIX II 275-350 6 to 8 MEDIUM/LIGHT 250 to 600 GOOD CUTTING CHARACTERISTICS
BRONZE – MATRIX II 225-300 14 to 18 MEDIUM/LIGHT 200 to 425 GOOD CUTTING CHARACTERISTICS
BRASS RED – MATRIX II 225-300 14 to 18 MEDIUM/LIGHT 225 to 400 GOOD CUTTING CHARACTERISTICS
BRASS, NAVAL – MATRIX II 275-350 10 to 14 MEDIUM/LIGHT – GOOD CUTTING CHARACTERISTICS
CAST IRON – MATRIX II 165-225 – MEDIUM – –
CAST STEEL – MATRIX II 110-225 – MEDIUM – –
STRUCTURALS – MATRIX II 175-250 – MEDIUM/LIGHT – TOOTH BREAKAGE POTENTIAL