4 Radius Endmills for Exotic Alloys (Uncoated) Flutes SSEH 4000-R Type 4 Coated Carbide Carbon Steel Alloy Steel Pre-hardened Tempered Steel Die Steel Hardened Steel Stainless Ti Alloy Heat Resistant A loy Cast Iron Aluminum Copper Alloy Graphite CFRP Uncoated Steel 45 to 55 55 to 60 60 to 65 Steel Alloy HRC HRC HRC Flutes S G Side Milling Groove Finishing Face Milling Profile Milling DC DMM h6 RE +0.02 −0.01 APMX DC Tolerance LF D ≤ 6.0 – 0.028 – 0.043 Helix Angle 6.0 < D – 0.033 – 0.052 ■ Body  Dimensions (mm) Cat. No. Stock Cutting diameter Radius Depth of cut Total Length Shank diameter DC RE APMX LF DMM SSEH 4045-R05 D 4.5 0.5 12.0 50 6 4050-R05 D 5.0 0.5 13.0 60 6 4060-R10 D 6.0 1.0 13.0 60 6 4080-R10 D 8.0 1.0 19.0 80 8 4100-R10 D 10.0 1.0 22.0 90 10 SSEH 4100-R30 D 10.0 3.0 22.0 90 10 4120-R10 D 12.0 1.0 26.0 90 12 4120-R30 D 12.0 3.0 26.0 90 12 4160-R10 D 16.0 1.0 32.0 115 16 4160-R30 D 16.0 3.0 32.0 115 16 Grade: EH520 ■ Recommended Cutting Conditions 1. For stable machining, a high rigidity machine is recommended. 2. Wet machining is recommended for stainless steel and heat resistant alloy applications. 3. If cutting noise and vibration are present, please change the cutting ap conditions accordingly. ap ae DC ● Side Milling Work Material Stainless Steel Titanium Alloy Heat Resistant Alloy I Cutting Conditions SUS304, SUS316 Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Endmills Solid Carbide DC (mm) (min-1) (mm/min) (min-1) (mm/min) (min-1) (mm/min) 4.5 1,800 90 3,500 280 1,400 110 5.0 1,600 100 3,200 320 1,300 130 6.0 1,300 100 2,700 320 1,100 130 8.0 1,000 100 2,000 280 800 110 Square 10.0 800 100 1,600 260 600 100 12.0 700 100 1,300 230 500 90 2 Flutes 16.0 500 80 1,000 200 400 80 3 Flutes Standard Depth-of-cut ap 1.5DC 1.5DC 1.5DC ae 0.1DC 0.05DC 0.05DC 4 Flutes 6 Flutes ● Groove Milling 8 Flutes Work Material Stainless Steel Titanium Alloy Heat Resistant Alloy Radius Cutting Conditions SUS304, SUS316 Spindle Speed Feed Rate Spindle Speed Feed Rate Spindle Speed Feed Rate Ballnose DC (mm) (min-1) (mm/min) (min-1) (mm/min) (min-1) (mm/min) DLC 4.5 1,400 40 2,500 200 1,100 90 5.0 1,300 40 2,200 220 1,000 100 SUMIDIA 6.0 1,100 40 1,900 230 800 100 Coat 8.0 800 40 1,400 200 600 80 Long Neck 10.0 600 40 1,100 180 500 80 Uncoated 12.0 500 40 900 160 400 70 16.0 400 30 700 140 300 60 CBN Standard Depth-of-cut ap 0.3DC 0.2DC 0.15DC PCD I 129