Single/Double End Cobalt High Speed Steel
List 580: Single End, Regular Length, 2 Flute List 582: Double End, Regular Length, 2 Flute
Side Milling
Hardness
<145 Brinell
<20 HRC
20-30 HRC
30-40 HRC
40-50 HRC
–
Med. Carbon Steels Med. Strength Titanium Alloys Med. Strength Stainless Steels
Heat Resistant High Alloys High Strength Stainless Steels Titanium Alloys
Mild Steels Hard Brass Bronze Cast Iron
High Carbon Steel Titanium Alloys High Strength Stainless Steels
Heat Resistant High Alloys Austenitic Alloys Nickel Base Alloys
Work Material
Aluminum Aluminum Alloys
Cutting Speed
125-145 SFM 95-110 SFM
50-65 SFM
30-50 SFM
16-32 SFM
160-390 SFM
a a=1.5D a r= 0.1D
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
Speed RPM
Feed in/min
Mill Dia.
3 4 5 6 8
4,365 3,275 2,620 2,185 1,640 1,310 1,090
4.1 5.1 5.8 5.8 7.3 8.3 8.2 7.4 6.9 6.7 6.5 6.3 6.0 5.8 5.5 5.1 4.8 4.8 4.3 4.2 4.1 3.6 3.2
3,315 2,485 1,990 1,660 1,245
3.0 3.5 3.9 3.8 4.8 5.4 5.1 4.9 4.6 4.4 3.9 3.5 3.3 3.2 3.1 2.8 2.6 2.5 2.3 2.2 2.0 1.8 1.6
1,860 1,395 1,115
1.3 1.6 1.8 1.8 2.2 2.5 2.5 2.4 2.4 2.2 2.2 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.3 1.1 1.0 0.9
1,400 1,000
0.8 1.0 1.0 1.1 1.1 1.3 1.5 1.6 1.6 1.6 1.6 1.4 1.3 1.3 1.3 1.1 1.1 1.0 0.9 0.8 0.8 0.7 0.7
800 630 500 400 315 280 200 180 160 140 140 112 100 100
0.4 0.4 0.5 0.6 0.6 0.6 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.6 0.6 0.6 0.6 0.5 0.5 0.5 0.4 0.4 0.4
8,895 6,670 5,335 4,450 3,335 2,670 2,220 1,900 1,670 1,480 1,335 1,210 1,110 1,070 1,025
7.8 9.5
800 710 500 400 315 280 250 225 200 180 160 160 160 140 140 125 110 110 100
10.5
930 700 560 465 400 350 310 280 255 235 225 215 200 185 175 160 155 140 125 110
9.8
12.7 13.3 13.2 11.8 11.3 11.2 10.3 10.2
10 12 14 16 18 20 22 24 25 26 28 30 32 35 36 40 45 50
995 830 710 620 550 500 450 415 400 385 355 330 310 285 275 250 220 200
935 820 730 655 595 545 525 500 465 435 410 375 365 330 290 260
9.8 9.4 9.0 8.8 8.3 7.8 7.5 7.2 6.6 5.9 5.3
90 80 70 63 63 63 56 50 50
950 890 835 760 740 670 595 535
90 80
In case of deeper operation, slow down feed by 20-50%
osgtool.com
1416
End Mill Technical
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