HY-PRO ® CARB Performance Sub-Micrograin Carbide End Mills
List HP418: (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)
Mild Steels Carbon Steels Cast Iron
Alloy Steels Tool Steels Ti Alloys (Annealed)
Work Material
Hardened Steels
Hardened Steels
Cutting Speed
980 SFM
850 SFM
740 SFM
590 SFM
590 SFM
410 SFM
Dia a r D≤5/32 0.02D 0.05D 5/32<D 0.13D 0.05D a a
a a=0.02D a r=0.05D
Depth of Cut
Speed RPM 25,000 25,000 17,350 13,000
Feed in/min
Speed RPM 25,000 25,000 17,350 12,880
Feed in/min
Speed RPM 25,000 22,650 15,050 11,050
Feed in/min
Speed RPM 24,050 18,050 12,050
Feed in/min
Speed RPM 24,050 18,050 12,050
Feed in/min
Speed RPM 16,700 12,550
Feed in/min
Mill Dia.
3/32
125.3 170.0 166.8 163.6 107.7
126.7 175.2 176.0 161.7 108.0
115.8 143.3 119.3 103.8
104.2 107.2
99.8
60.1 60.1 50.4 43.5 29.6
1/8
104.0
3/16
95.6 84.8 56.4
95.2 84.8 56.4
8,350 6,305 4,180
1/4 3/8
9,080 6,035
9,080 6,035
8,650
8,660
7,575
70.7
High Speed Light Milling (Metric)
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
Hardened Steels
Cutting Speed
980 SFM
850 SFM
740 SFM
590 SFM
590 SFM
410 SFM
Dia a r D≤8 0.02D 0.05D 8<D 0.13D 0.05D a a
a a=0.02D a r=0.05D
Depth of Cut
Speed RPM 25,000 25,000 25,000 20,650 16,500 13,750 10,300
Feed in/min
Speed RPM 25,000 25,000 25,000 20,650 16,500 13,750 10,300
Feed in/min
Speed RPM 25,000 25,000 24,000 17,950 14,350 12,000
Feed in/min
Speed RPM 25,000 25,000 19,100 14,300 11,450
Feed in/min
Speed RPM 25,000 25,000 19,100 14,300 11,450
Feed in/min
Speed RPM 25,000 19,900 13,250
Feed in/min
Mill Dia.
1 2 3 4 5 6 8
55.1
55.1
49.2 98.9
44.6 88.0
44.6 88.0
39.4 61.8 63.0 53.6 50.1 45.7 35.0 28.3 22.9
107.8 169.7 165.9 173.6 172.8 128.6 102.5
108.6 174.9 177.0 179.6 172.3 129.7 102.0
151.7 128.9 119.2 112.4
110.1
110.1
96.2 96.4 89.0 66.7 53.5 43.6
96.2 96.4 89.0 66.7 53.5 43.6
9,950 7,950 6,650 5,000 4,000 3,300
9,550 7,150 5,750 4,750
9,550 7,150 5,750 4,750
9,000 7,200 6,000
83.2 67.3 55.6
10 12
8,250 6,900
8,250 6,900
85.4
85.1
osgtool.com
1500
End Mill Technical
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