Facom HSS Spiral Fluted Step Drill Bit

This premium 12-step configuration ranges from 6mm to 38mm with precisely engineered step increments, making it the professional's choice for large-diameter drilling in industrial fabrication, heavy-duty HVAC work, and structural metalwork. The 100mm overall length offers exceptional control for larger apertures, whilst the substantial 320g weight provides the mass and rigidity required for accurate, vibration-free drilling in demanding applications. Designed for high accuracy drilling where precision matters most, this heavy-duty step drill bit handles substantial hole sizes with minimal tool pressure. The carefully selected step progression covers critical diameters for industrial cable glands, large ventilation requirements, and structural penetrations, making it indispensable for professional metalworkers and installers. Features and Benefits: • HSS steel construction delivers exceptional durability and heat resistance • Spiral fluted design maintains efficient chip evacuation at all diameters • Cylindrical shank with 3 flats ensures positive drive engagement without micro-locking • Laser-marked diameter graduations protected in groove for long-lasting visibility • Professional-grade construction for heavy-duty industrial applications Specifications: Steps [mm]: 6 - 9 - 13 - 16 - 19 - 21 - 23 - 26 - 29 - 32 - 35 - 38 Overall Length: 100mm Weight: 320g