Carbide Micrograin Carbide End Mills
Standard Ball Nose Carbide 4 Flute and Multiple Flute
Profiling (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
100-115 SFM 100-130 SFM
65-100 SFM
65-82 SFM
43 SFM
a a=0.1D a r=0.2D
Depth of Cut
Speed RPM 25,000 16,120 10,075
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.
3/64 5/64
8.2
8,755 5,250 3,280 2,625 2,190 1,640 1,315 1,010
4.0 4.7 4.9 5.2 5.5 4.7 5.2 5.1 5.2 5.1 5.2 5.0
9,365 5,620 3,510 2,810 2,340 1,755 1,405 1,080
3.7 4.4 4.7 5.0 5.3 4.6 5.0 4.9 5.0 5.0 5.0 4.9
6,720 4,030 2,520 2,015 1,680 1,260 1,010
2.1 2.5 2.7 2.8 2.9 2.7 2.8 2.7 2.8 2.8 2.8 2.8
5,985 3,590 2,245 1,795 1,495 1,120
1.2 1.5 1.8 1.9 2.0 1.9 1.9 1.8 1.9 1.9 1.9 1.9
3,500 2,100 1,315 1,050
1.1 1.3 1.5 1.6 1.6 1.5 1.6 1.5 1.6 1.6 1.6 1.5
10.6 10.6 10.6 11.0 10.0 12.2 11.7 12.5 12.2 12.2 12.7
1/8
5/32 3/16
8,060 6,720 5,040 4,030 3,100 2,685 2,015 1,610 1,260
875 655 525 405 350 265 210 165
1/4
5/16
900 690 600 450 360 280
13/32 15/32
775 670 505 405 315
875 655 525 410
935 700 560 440
5/8
25/32
1
1. Increase speeds & feeds 5-10% for Series 412BN, 414BN, 442BN and 444BN. 2. Reduce speeds & feeds 20-30% for Series 462BN and 464BN. 3. Reduce speeds & feeds 40-50% for Series 482BN and 484BN. 4. Increase speeds & feeds 20-30% for Series 402BN TiN and 404BN TiN. 5. Column for Hardened Steels (40-50 HRC) is for 402BN TiN and 404BN TiN only.
osgtool.com
1502
End Mill Technical
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