Diameter: 4-12 mm / 4-20 mm / 4-32 mm (set) Shaft: 6 mm hex shank Compatibility: For use with drill machines, power drills, pillar drills, etc. Material: HSS-TiN (High-Performance High-Speed Steel) Precision Drilling: The self-centering tip allows for precise placement of the step drill bit in the material. Application: Suitable for applications requiring precise hole sizes, such as in metal sheets, plastics, wood, Plexiglas, etc. Durability: Excellent service life and heat resistance.
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