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HSS long series drill bits are designed for deep hole drilling and accessing hard-to-reach areas in steel, cast iron, aluminium, copper, brass and other metals. The range includes premium Dormer A110 DIN340 drill bits for precision engineering applications and Timco HSS long series drill bits for reliable everyday trade use, providing solutions for fabrication, maintenance, engineering and construction tasks.
Available in diameters from 1.0mm to 13.0mm, these extended-length drill bits offer increased reach while maintaining accurate hole positioning and efficient chip evacuation. Ideal for drilling through box section, tube, fabricated assemblies and inaccessible components, they deliver dependable performance, durability and professional results.