Diameter (mm): :160 Approach Angle (): :45 Spigot Diameter (mm): :40 Number of Inserts: :8 Shank Type: :Spigot Takes Insert: :SEKN1203 Grade: :M4PW Manufacturer Part Number: :TMX50160D Brand: :Interstate Standard 45 – Suitable for all face milling applications, screw on holding mechanism.