ZHY 4 flutes flat end mill 1. Non-standard size end milling cutter 2. ALTIN coating ... 5-0.6um 4.10.2%Co ZHY 4 flutes flat end millZHY is our own brand, which has got ... got good comments from many aboard customers. ZHY 4 flutes flat end mills are suitable for Copper, Cast iron, Carbon steel ... Here are the detail specifications of the ZHY 4 Flutes Flat End Mill ,if you have any interest,please send me. ZHY ...