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HSS standard series drill bits are the most commonly used drill bits for drilling steel, cast iron, aluminium, copper, brass and other metals. The range includes premium Dormer A002 DIN338 drill bits for precision engineering applications, Timco HSS drill bits for everyday trade use, and HSS cobalt drill bits designed for tougher materials including stainless steel and high-tensile steels.
Available in diameters from 1.0mm to 13.0mm, these versatile drill bits provide accurate hole positioning, efficient chip removal and reliable cutting performance. Suitable for fabrication, engineering, maintenance, automotive and general workshop applications, they deliver durability, precision and long service life across a wide range of metalworking tasks.