HSS Stub Drill Bit 4.0mm – 10-Piece Pack

This 10-piece pack of HSS stub drill bits in 4.0mm diameter is designed for precise drilling in steel, aluminium, and general metalwork. The stub length format provides enhanced rigidity and reduced vibration, making these bits ideal for accurate hole placement without deflection. Essential for electricians, panel builders, and maintenance technicians working with metal enclosures and structural components.