A Brand AE-CPR4-H (8592)

Advanced Performance Four-Fluted Long Neck Corner Radius End Mill for Hardened Steels


The AE-CPR4-H is a long neck corner radius carbide end mill engineered to achieve high-efficiency and high precision milling in high-hardness steels. All sizes are available in the 4-flute configuration for maximum productivity. OSG’s DUROREY coating for high-hardness steel is employed with high chipping resistance even for work materials exceeding 60 HRC, enabling long tool life and high-speed machining.


4-Flute Design

for High Efficiency Milling

Spiral Shaped Gash

for Efficient Chip Evacuation

Superior R Precision

for Outstanding Performance in High-Hardness Steels



List 8592 - A Brand AE-CPR4-H View Offering >   View Overview >

Application Guide

ISO Work Material Recommended
P Low Carbon Steel : 1010, 1018
P Medium Carbon Steel : 1035, 1045
P High Carbon Steel : 1065
P Alloy Steels : 4140, 4340
P Die Steels
M Stainless Steels : 300
M Stainless Steels : 400
M Stainless Steels : 17-4PH
K Cast Iron
N Aluminum : 6061, 7075
N Aluminum : Casting
S Nickel Alloy : Inconel
S Titanium : 6AL4V (30HRC)
H Hardened Steels : ~35 HRC
H Hardened Steels : 35-45 HRC
H Hardened Steels : 45-50 HRC
H Hardened Steels : 50-70 HRC

good best

Speed & Feed Calculator

View Speed & Feed calculator