Carbide Micrograin Carbide End Mills
Standard 2 Flute and 3 Flute Carbide: (continued)
Slotting (Fractional)
Hardness
–
–
<20 HRC
20-30 HRC
30-40 HRC
40-50 HRC
Work Material Cutting Speed
Mild Carbon Steels Mild Steels
Pre-hardened Steels Die & Alloy Steels
Pre-hardened Steels Die & Alloy Steels
Aluminum
Cast Iron
Hardened Steels
330 SFM
100-150 SFM 100-130 SFM
65-100 SFM
65-82 SFM
43 SFM
Dia a a D<1/32 0.25D 1/32<D<5/64 0.50D 5/64<D 1.00D
Depth of Cut
Speed RPM 25,000 25,000 25,000 25,000 20,155 16,120 10,075
Feed in/min
Speed RPM 25,000 23,855 15,905 10,180
Feed in/min
Speed RPM 25,000 21,945 14,630
Feed in/min
Speed RPM 20,990 15,745 10,495
Feed in/min
Speed RPM 18,700 14,025
Feed in/min
Speed RPM 10,940
Feed in/min
Mill Dia.
0.015 0.020 0.030 3/64
1.8 3.2 4.9 6.3 7.5
3.1 5.2 4.9 4.0 4.4 5.1 5.1 5.4 5.7 6.4 7.9 8.4 7.5 7.9 8.3 7.9
1.2 1.8 2.6 2.2 2.9 3.5 3.2 3.5 3.7 3.2 3.4 3.7 3.2 3.4 3.6 3.4
0.7 1.0 1.3 1.1 1.1 1.9 2.4 2.6 2.6 2.4 2.6 2.6 2.4 2.6 2.8 2.6
0.4 0.7 0.7 0.5 0.7 1.1 1.0 1.1 1.1 1.0 1.1 1.1 1.0 1.4 1.4 1.3
0.2 0.3 0.3 0.2 0.3 0.5 0.5 0.5 0.6 0.5 0.5 0.6 0.5 0.4 0.4 0.3
8,205 5,470 3,500 2,625 2,100 1,315 1,050
9,350 5,985 4,490 3,590 2,245 1,795 1,495 1,120
9,365 7,025 5,620 3,510 2,810 2,340 1,755 1,405 1,170
6,720 5,040 4,030 2,520 2,015 1,680 1,260 1,010
1/16 5/64
7,635 6,105 3,815 3,055 2,545 1,910 1,525 1,270
11.9 10.6 11.9 12.6 11.2 11.9 12.6 11.2 11.9 12.4 11.9
1/8
5/32 3/16
8,060 6,720 5,040 4,030 3,360 2,520 2,015 1,680 1,260
875 655 525 440 330 265 220 165
1/4
5/16
890 750 560 450 375 280
3/8 1/2 5/8 3/4
840 630 505 420 315
955 765 635 475
880 700 585 440
1
1. Increase speeds & feeds 5-10% for Series 412 and 422. 2. Reduce speeds & feeds 20-30% for Series 462. 3. Reduce speeds & feeds 40-50% for Series 482. 4. Increase speeds & feeds 20-30% for 402 TiN. 5. Column for Hardened Steels (40-50 HRC) is for Series 402 TiN and 403 TiN only.
6. Increase speeds & feeds 20-30% for Series 403 and 445. 7. Increase speeds & feeds 20-40% for Series 403 TiN.
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1404
End Mill Technical
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