Dongguan rookie hardware Welcome! Brand: Rui Cast Name: sharp 55 degree flat cutter cast Finish: Black Finish Specifications: Φ1.0x3x4x50-4F applicable processing materials: A3, S45C, 40Cr, 42CrMo, 20Cr, Cr12, H13, NAK80,718 such as carbon steel, cast steel, plastic molds, alloy steel, tool steel, quenched and tempered steel, heat-treated steel, stainless steel. Main features: the use of the blade portion excellent heat resistance coating to increase tool wear resistance and hardness, increase tool life and stability. Capable of high hardness of hardened steel (HRC40 ~ 55 degrees) material milling. 2/4 blade flat end mill suitable for side milling, milling grooves wide range of applications. Reduce the number of tool changes to improve when the machine Jia actuation rate, saving mold making process.