HSS STEP DRILLS 3 PIECE SET 4mm - 32mm HOLE SIZES IN METAL CASE, BLUE SPOT 20504Product Name: 3-Piece Titanium Coated Metal Tapered Step Drill Bit SetProduct Introduction: - The HSS step drill bit set includes three high-quality step drill bits with diameters of 4-12 mm, 4-20 mm, and 4-32 mm. These drill bits are made from high-speed steel (HSS) and offer excellent cutting performance and durability. They are ideal for drilling precise hole sizes in various materials such as metal, plastic, and wood, and allow for stepwise hole expansion. - The HSS step drill bit set provides flexibility and precision for a wide range of drilling tasks, making it an indispensable tool for any workshop or construction site.Product Features: - 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