GUHRING Foret extra-court DIN1897 HSSE-PM TiN type GT 3,9mm

Short drill with cyl. shankDesign: Profile grinding, right cutting, with precision ground point and excellent thermal resistance, with special point thinning. Angle of rake larger than normal, normal core thickness and no core gradient. HSS-E PM has outstanding durability (greater edge stability, more wear-resistant) and a longer tool life. Advantages: Significantly higher process reliability, up to 1/3 longer life and better surface. Application: Durable and break-proof PM steel short drill bit for machining high-alloy steels, tempered and case-hardened steels, cast iron, brass and bronze.