DeWALT DT5030-QZ punta a gradini 4-12 mm HSS gambo esagonale

The DeWALT DT5030-QZ is a high-quality step drill bit designed for precise and efficient drilling in sheet metal, non-ferrous metals, plastics, and wood. Featuring a self-starting split point and single flute design, it enables clean, burr-free holes without the need for pre-drilling or center punching. The hex shank ensures secure grip in cordless drills and impact drivers, while laser-etched diameter markings allow for easy identification during use.

Advantages

Heat-treated high-speed steel construction extends tool life and maintains sharpness. The step design with 1 mm increments from 4 mm to 12 mm covers a wide range of common hole sizes in one tool. The self-starting split point eliminates walking and reduces the need for pilot holes, increasing productivity.

Suitable for

• Sheet metal up to 4 mm thickness
• Non-ferrous metals such as aluminum and copper
• Plastics and PVC
• Wood and plywood

Key specifications

• Drill Bit Type: Step Drill Bit
• Material: High-Speed Steel (HSS)
• Minimum Drilling Diameter: 4 mm
• Maximum Drilling Diameter: 12 mm
• Diameter Increments: 1 mm
• Number of Steps: 9
• Shank Type: Hex
• Shank Size: 1/4" (6.35 mm)
• Point Type: Self-starting split point
• Flute Design: Single Flute
• Maximum Material Thickness: 4 mm
• Tool Compatibility: Cordless drills, impact drivers
• Durability Feature: Heat-treated for extended life
• Precision Feature: Laser-etched diameter markings

Recommendations

For best results, use at moderate speed with light pressure. Lubrication is recommended when drilling metal to reduce heat and extend bit life. Always wear appropriate safety gear.