The DART 4-12mm Straight Flute Step Drill is designed for precision drilling of holes in thin materials, including sheet metal, stainless steel, mild steel, cast iron, aluminium, non-ferrous metals, and plastic. With its straight flute design, it ensures smooth cutting, reduced vibration, and improved control when drilling multiple hole sizes between 4mm and 12mm.

Key Features:

• Straight Flute Design – Provides stability and prevents material slippage.
• 4-12mm Size Range – Allows multiple hole sizes in a single tool, eliminating the need for multiple drill bits.
• Precision Cutting – Creates clean, burr-free holes for a professional finish.