Proline 79035 is a High-Speed Steel (HSS) drill bit with a diameter of 3.5mm. It features a grind blade manufactured with precision and accuracy for drilling into metals. The drill bit is designed to be hard yet flexible, so it can be used in a variety of metals and materials. Its drill point is sharp and delivers maximum cutting power, for quick and accurate drilling. It’s also corrosion-resistant, making it a great choice for professional or DIY projects.