RS PRO HSCo Twist Drill Bit, 4.5mm Diameter, 80 mm Overall

Turn to this RS PRO twist drill bit for safe, effective drilling into tough metals. Its high-speed cobalt (HSCo) material is designed for hard materials such as cast iron and titanium, as well as hardened, stainless and alloy steel. This material is also highly durable and resistant to heat, making it a long-lasting choice.


The drill bit's 135° split point and right-hand spiral allow it to drill efficiently and safely. It has an amber finish for added corrosion resistance, so it's safe for use in harsh environments.


It meets the DIN 338 standard for dimensions of twist drills, ensuring you can drill standard hole sizes for components and fasteners. This drill bit is suitable for general workshop projects as well as professional maintenance and engineering.