Answer
Jan 08, 2026 - 11:33 AM
The speed chart for this type of end mill (Solid Straight Plunge), and especially for #43820 is
18,000 RPM
80 IPM (Inches Per Minute)
Plunge Rate of 40 IPM
1 x Diameter for Depth Per Pass
18,000 RPM
80 IPM (Inches Per Minute)
Plunge Rate of 40 IPM
1 x Diameter for Depth Per Pass
