HY-PRO ® V Vanadium High Speed Steel
List 574: Regular Length, Multiple Flute (Continued)
Side Milling
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
325-590 SFM
130-165 SFM
105-125 SFM
65-80 SFM
30-50 SFM
a a=1.5D a r= 0.1D
Depth of Cut
Speed RPM 13,980 11,185
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
28.0 31.8 35.4 36.9 42.5 39.5 42.4 41.9 39.2 37.5 38.1 35.0 34.4 34.0 33.6 31.5
4,500 3,550 2,800 2,240 1,800 1,600 1,250 1,120 1,000
10.1 11.4 12.4 14.4 16.1 17.0 16.8 16.8 16.0 15.3 15.3 15.3 14.3 13.4 12.5 12.5
3,550 2,800 2,240 1,800 1,400 1,250 1,000
7.1 8.0 9.0
2,240 1,800 1,400 1,120
3.6 4.0 4.5 5.0 5.8 6.1 6.3 5.9 6.0 6.0 5.6 5.6 5.6 5.0 4.5 4.5
1,250 1,000
1.6 1.9 2.1 2.4 2.6 2.9 3.0 3.0 3.1 3.1 3.1 3.1 3.3 2.9 2.5 2.5
5/32 3/16
9,320 6,990 5,590 4,660 3,995 3,495 3,100 2,795 2,540 2,330 2,150 2,000 1,865 1,750
800 630 500 450 355 315 280 250 224 224 200 180 160 160
1/4
10.1 11.3 11.8 12.0 11.4 11.4 10.6
5/16
900 800 630 560 500 450 400 400 355 315 280 280
3/8
7/16
1/2
900 800 710 630 630 560 500 450 450
9/16
5/8
900 800 800 710 630 560 560
11/16
9.5 9.5 8.4 7.5 6.8 6.8
3/4
13/16
7/8
15/16
1
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
1415
End Mill Technical
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