Starrett High speed steel drill bits are a reliable and durable tool that provides the user with agility, efficiency and safety when drilling various types of surfaces. Made with high quality materials and strict manufacturing processes. These drill bits meet the highest standards of quality and performance. Featuring a precision ground cutting edge and a 135 degree split point design that ensures precise and self-centering drilling with less pressure for penetration, which improves the performance of the drill and reduces the risk of slipping or walking while drilling. Starrett drill bit is suitable for drilling various materials, including alloy steels, carbon steels, carbon steels. ELS, cast iron, hardened alloy steels, stainless steel, wood and soft materials, a versatile and reliable tool for a variety of applications. This drill bit is manufactured to DIN 338, with precise concentricity for high rotation accuracy and reduced deviation when drilling. Whether you are a professional or DIY enthusiast, the Starrett HSS steel drill is an indispensable tool for all your drilling needs.Specification:Material: high speed steelCutting edge:Precision groundSplit Point Angle: 135°Channels: wide and longCutting geometry: preciseBreaking strength: highEndurance: highStandard: DIN 338Diameter: 2mmTotal length: 49mmWorking length: 24mmConcentcity: preciselyRotational accuracy. Accuracy: highDeviRotation accuracy: reduction: yes