OSG 3056111 | A Brand 0.20mm Diameter x 4.00mm Shank x 0.16mm LOC x 45.00mm OAL x 0.10mm Radius x 30 Degree Helix Angle 2 Flute DUROREY Coated Carbide 8590 Ball Nose End Mill

2-flute high-precision finishing carbide ball end mill for high-hardness steels

Features & Benefits:

• Teardrop-Shaped Outer Periphery: Strong back taper geometry enables milling by point, which prevents chattering and chipping, resulting in improvement of surface accuracy
• Superior Ball R Precision: Secures stable R accuracy across 180°
• Thickness at Center: Thickening of the center core to prevent deformation of the ball tip and improve control of chipping
• Superior Shank Accuracy: Supports h4 tolerance (0/-0004)