The HSS metal spiral drill bit set from Heller includes 19 precisely manufactured bits specifically designed for working with metal and plastic. The bits are made from high-quality HSS-R steel and offer consistent spiral hardness, ensuring long life and reliability. With diameters ranging from 1 to 10 mm in 0.5 mm increments, these bits are ideal for various applications, including unalloyed steels, stainless steel, non-ferrous metals, and castings. The conical tip grind with a point angle of 118° ensures optimal drilling performance and precise results. The set comes in a robust steel case that allows for secure storage and easy access to the bits. This set is an essential tool for professionals and hobbyists who value quality and precision.

• Made from high-quality HSS-R steel for long service life
• Consistent spiral hardness for reliable performance
• Conical tip grind with 118° point angle for precise drilling
• Suitable for a variety of materials, including stainless steel and non-ferrous metals
• Delivered in a sturdy steel case for secure storage.