OSG 8557643 | A Brand 4.00mm Diameter x 6.00mm Shank x 3.20mm LOC x 6.00mm OAL x 1.00mm Radius x 30 Degree Helix Angle 4 Flute DUROREY Coated Carbide 8592 Corner Radius End Mill

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.

Features & Benefits:

• 4-Flute Design: Achieves high efficiency milling with a 4-flute configuration across all sizes in this list
• New Spiral Gash: For Improved chip evacuation and suppression of chatter
• Unequal Index: Suppresses chatter to enable high speed, deep reach milling
• Unmatched Corner Radius & Shank Precision : With a corner radius accuracy of ±0.002mm and an h4 shank tolerance for secure and stable tool holding.