HY-PRO ® CARB Performance Sub-Micrograin Carbide End Mills
List HP432, HP434: (Continued)
High Speed Light Milling (Fractional)
Hardness
<20 HRC
20-30 HRC
30-38 HRC
38-45 HRC
45-55 HRC
Hardened Steels Pre-hardened Steels Stainless Steels Inconel Ni Based Alloys
Hardened Steels Pre-hardened Steels Ti Alloys (Solution Treated and Aged)
Alloy Steels Tool Steels Ti Alloys (Annealed)
Work Material
Mild Steels Carbon Steels
Hardened Steels
Cutting Speed
1,310 SFM
1,150 SFM
820 SFM
490 SFM
260 SFM
Dia a r D≤5/16 1.5D 0.01D 5/16<D≤5/8 1.5D 0.02D 5/8<D 1.5D 0.05D a a
a a
a r
Dia
Depth of Cut
D≤5/16 1D 0.01D 5/16<D 1D 0.02D
Speed RPM 25,000 25,000 20,000 16,000 13,335 10,000
Feed in/min
Speed RPM 25,000 23,410 17,555 14,045 11,705
Feed in/min
Speed RPM 25,000 16,690 12,520 10,015
Feed in/min
Speed RPM 14,960
Feed in/min
Speed RPM
Feed in/min
Mill Dia.
1/8
49.3
49.6 80.6 84.1 85.1 83.8 81.4 77.1 74.2 58.2
49.0 53.8 59.0 57.5 56.7 55.6 53.7 51.5 41.0
25.6 28.3 30.6 31.0 31.0 30.2 28.4 27.3 21.9
7,940 5,295 3,970 3,175 2,645 1,985 1,590 1,325
14.4 17.1 16.4 16.6 16.5 16.0 15.0 14.5 11.0
3/16
104.5
9,975 7,480 5,985 4,985 3,740 2,990 2,495 1,870
1/4
96.5 98.7 98.6 95.4 88.6 85.6 66.4
5/16
3/8 1/2 5/8 3/4
8,345 6,260 5,010 4,175 3,130
8,780 7,025 5,850 4,390
8,000 6,665 5,000
1
990
Reduce feeds 50% for Series HP432 High speed Light Milling.
osgtool.com
1459
End Mill Technical
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