RS PRO HSCo Twist Drill Bit, 5.5mm Diameter, 93mm Overall

This RS PRO twist drill bit effectively and safely drills through titanium, cast iron and hardened, stainless and alloy steel. It features a 135° split point and a right-hand spiral that allow it to safely drill into tough materials.


For durability and heat resistance, the drill bit is made of a robust HSCo (high-speed cobalt) material. It has an amber finish that makes it corrosion-resistant, so it's suitable for use in demanding applications.


The drill bit complies with the DIN 338 requirements for the dimensions of a twist drill, so you can rest assured you'll drill standard hole sizes for your components or fasteners every time. You can use this drill bit for professional engineering and maintenance as well as general workshop jobs.