PROSTEP twist drill Set HSS-Co 5% – Projahn in cassette

PROSTEP twist drill Set HSS-Co 5% – tool for precise drilling in many materials

The PROSTEP twist drill Set HSS-Co 5% offers a particularly precise solution for demanding drilling work. The twist drills, which are equipped with a self-centring step tip from a diameter of 3 mm, enable clean, circular drill holes and ensure rapid work progress – even in thin-walled materials.

The special step tip makes centre punching and pre-drilling unnecessary. This allows drill holes to be started securely even on pipes or rounded surfaces. At the same time, the step transitions ensure smooth drilling behaviour and reduce vibrations during machining. The result is particularly clean entry and exit holes, even in hand-held use.

The precise hole walls create ideal conditions for subsequent threading work. At the same time, the tool facilitates the drilling out of blind rivets and existing drill holes. The lower contact pressure supports fatigue-free work, which noticeably reduces strain, especially during prolonged use.

From a diameter of 5 mm, the drill bits feature a 3-flat shank. This ensures secure power transmission and prevents the tool from slipping in the drill chuck. The clearly organised case protects the twist drills and enables quick access to the required size.

The PROSTEP twist drill Set HSS-Co 5% is suitable for stainless steel, alloyed and unalloyed steels, cast iron, sheet metal, non-ferrous metals, acrylic glass, aluminium, plastics and wood and supports precise machining tasks in the workshop, production and assembly.