HY-PRO ® V Vanadium High Speed Steel
List 573: Regular Length, 2 Flute List 574: Regular Length, Multiple Flute
Slotting
Hardness
–
<145 Brinell
<20 HRC
20-30 HRC
30-40 HRC
High Tensile Steels Tool Steels Medium Strength Stainless Steels and Titanium Alloys
Medium Tensile Steels Mild Steel Forgings Cast Iron Hard Brass and Bronze Copper
High Tensile Steels Unalloyed Titanium Heat Resistant Ferritic Low Alloys
Aluminum Alloyed Aluminum Plastics Woods
Work Material
Mild Steels Brass Bronze
Cutting Speed
250-350 SFM
80-100 SFM
50-65 SFM
35-45 SFM
20-30 SFM
2 Flute: a a=0.5D 4 Flute: a a= 0.25D
Depth of Cut
Speed RPM
Feed in/min
Speed RPM
Feed in/min
Speed RPM
Feed in/min
Speed RPM
Feed in/min
Speed RPM
Feed in/min
Mill Dia.
1/8
9,170 7,335 6,110 4,585 3,670 3,055 2,620 2,290 2,040 1,835 1,670 1,530 1,410 1,310 1,220 1,150
9.2
2,750 2,200 1,830 1,375 1,100
3.1 3.5 4.0 4.4 4.9 4.8 5.3 5.2 4.9 4.6 4.8 4.4 4.2 4.1 4.1 3.9
1,760 1,400 1,170
4.2 4.8 5.5 5.9 6.7 6.5 7.1 6.7 6.6 6.2 5.7 5.2 4.8 4.4 4.2 4.0
1,220
1.0 1.1 1.3 1.4 1.5 1.5 1.7 1.6 1.6 1.6 1.6 1.5 1.5 1.4 1.3 1.2
765 610 510 380 300 255 220 190 170 150 140 130 120 110 100
0.6 0.6 0.7 0.8 0.8 0.8 0.9 0.9 1.0 1.0 1.0 0.9 1.0 0.9 0.8 0.7
5/32 3/16
10.4 11.6 12.1 14.0 12.9 13.9 13.8 12.8 12.3 12.5 11.5 11.2 11.1 11.0 10.3
980 815 610 490 410 350 305 270 245 220 200 190 175 165 155
1/4
880 700 585 500 440 390 350 320 295 270 250 235 220
5/16
3/8
915 785 690 610 550 500 460 425 395 365 345
7/16
1/2
9/16
5/8
11/16
3/4
13/16
7/8
15/16
1
95
1) Based on regular 4FL end mills cutting depth (1.5D) x cutting width (0.1D). 2) For 2FL end mill, decrease feed 50%. 3) For finish, increase RPM 1.3 to 1.5 times.
osgtool.com
1414
End Mill Technical
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