EXOTIN Roughing Vanadium High Speed Steel
List 690: Regular Length - Multiple Flute - Center Hole
Side Milling
Hardness
<20 HRC
20-30 HRC
30-40 HRC
40-45 HRC
<50 HRC
High Tensile Steels (142x103 to 200x103 lb/in.2) Tool Steels Medium Strength Stainless Steel
Medium Tensile Steels (70x103 to 115x103 lb/in.2) Mild Steel Forgings Cast Iron
High Tensile Steels (115x103 to 142x103 lb/in.2) Heat Resistant Ferritic Low Alloys
Work Material
Mild Steels (up to 70x103 lb/in.2)
High Strength Stainless Steels
Cutting Speed
130-148 SFM
115-131 SFM
79-83 SFM
55-66 SFM
45-47 SFM
Dia a r 1/2≤D<1-1/8 1.5D 0.5D 1-1/4≤D≤2 1D 0.5D a a
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.
1/4
2,230 1,700 1,470 1,100
6.0 7.9
1,770 1,600 1,180
4.5 6.3 7.0 6.4 8.4 8.4 8.4 7.9 7.0 7.0 6.6 6.0 5.0
1,250 1,000
3.0 3.5 4.0 4.1 6.3 6.0 6.0 6.0 6.0 5.5 4.5 4.0 3.5
940 800 660 425 400 325 280 250 220 200 165 140 120
2.3 2.8 3.3 3.1 4.0 4.3 4.5 4.5 4.3 4.0 3.3 2.8 2.3
700 560 470 355 280 235 200 175 160 140 115 100
1.5 1.5 1.9 1.9 2.4 2.4 2.4 2.3 2.4 2.3 1.9 1.5 1.4
5/16
3/8 1/2 5/8 3/4 7/8
10.3
835 630 500 420 350 310 270 250 210 180 155
9.3
900 715 590 500 450 400 355 300 250 220
850 725 630 560 490 450 370 315 275
12.5 14.8 14.0 14.0 12.1 11.8 10.1
1
1-1/8 1-1/4 1-1/2 1-3/4
8.8 7.8
2
90
osgtool.com
1413
End Mill Technical
Powered by FlippingBook