The dormer a022 hss tin tip coated straight shank stub drill bit is a high performance drill engineered for efficient and accurate drilling in demanding applications. Designed with a stub length and straight shank, this drill bit provides exceptional rigidity, making it ideal for high precision tasks and minimizing deflection during use. Crafted from high speed steel hss with a titanium nitride tin tip coating, the drill bit ensures enhanced durability and heat resistance, delivering extended tool life even under intense conditions. Its 135° split point design facilitates easy self centering and reduces the need for pre drilling, ensuring efficient performance in steel, cast iron, and other tough materials. Compliant with din ansi standards, the a022 series is optimized for 2.5xd drilling without the need for pecking. Features and benefits bull bright and tin tip coating bull high speed steel tool material bull din ansi standards bull 2.5×d usable tool depth to diameter ratio bull drill point 135° bull cylindrical shank straight shank bull standard spiral flute design bull right hand rotation cutting bull h8 – industry standard tool tolerance zone based on diameter range