CZIC Step Drill---Step Drill with Spiral Flute
1.) Step drill bits
2.) Spiral flute
3.) Step drill, bright finished
4.)HSS steel
5.) ISO9001
Step drills are ground from solid high speed steel. A range of hole diameters can be drilled using only one tool and holes are deburred automatically by the following step.
*Suitable for drilling in alloyed and non alloyed steel sheet, pipes and profiles upto 950N/mm2 and upto a wall thickness of 5mm. Also suitable for wood and plastics.
*Spiral flut gives the faster drilling speed and faster dust rejection.