Automatic drill bit, cylindrical shank DIN1897GT HSSEPM 7.7mm TiN

Short drill bit, with a cylindrical shank Design: ground profile, right-cutting, with precise tip grinding, high heat resistance and special sharpening.Lateral rake angle greater than normal, core thickness normal, no taper.HSS-E PM is characterized by high ductility (greater edge stability and resistance to abrasive wear) and a longer service life.Advantages: significantly higher process reliability, 1/3 longer service life and higher surface quality.Application: durable and fracture-resistant short drill bit made of PM steel for machining high-alloy steels, tempering and carburizing steels, cast iron, brass and bronze.