1. HSS twist drill bit with long shank, drill bit tip of 118°, manufactured to DIN 7490.
2.Large chip removal channel up to the spiral turned spout (diameter 16 mm and above), complies with the safety requirements of the professional association.
3. With extra long shank, this drill bit could drill through the inner and outer formwork boards in one operation.
4. Suitable for formwork, interior fitting work, plumbing, heating, electrical installation, also for metals, e.g. sandwich material with steel, aluminium or profile sheeting, wood, plasterboard, light building materials, insulation.