The product range of twist drills EF-Drill Modular is designed in particular for the production of drill holes with large diameters in steel materials and cast iron but applications in non- stainless steels and cast aluminum alloys are also possible.

The drill diameters of the EF Drill Modular range from 14 to 32 mm.

NAWA produces special stepdrills with the EF-Drill Modular head and with standard ISO carbide or PCD inserts to meet almost any customer requirements.