Helical Solutions 86171 | HEV-C-R-70312-R.020 5/16" Diameter x 5/16" Shank x 3/4" LOC x 2-1/2" OAL x 0.020" Radius 7 Flute Tplus Coated Solid Carbide Corner Radius End Mill

7 flute chipbreaker end mill, engineered with variable pitch and offset chipbreaker geometry for optimal chip evacuation, reduced harmonics, and reduced tool pressure in stainless steels, high temp alloys, and hardened steels up to 65 Rc.

• Offers proven performance and extended tool life in stainless steels, high temp alloys, and hardened steels up to 65 Rc
• Well-suited for increased wear resistance in a wide range of ferrous materials, including low and medium alloy steels, tool steels, and cast iron
• Engineered for excellent performance in light profiling, High Efficiency Milling (HEM)
• 7 flute variable pitch and offset chipbreaker geometry for optimal chip evacuation, reduced harmonics, and reduced tool pressure
• End cutting geometry (non-center cutting)
• h6 shank tolerance for high precision tool holders
• Tplus coating offers high hardness for improved tool life and increased edge strength in difficult-to-machine materials
• Solid carbide
• CNC ground in the USA