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Step drill bit Irwin 10502854 — stepped diameter up to 35 mm, for drilling sheet metal and plastics
Summary description:
Irwin 10502854 is a step drill bit with a maximum drill diameter of 3.5 cm (35 mm). Designed for progressively enlarging holes in thin materials, it is suitable for sheet metal, plastics and similar substrates. Use with compatible hand drills or drill drivers to create multiple hole sizes without changing bits; practical for electrical, HVAC and fabrication tasks.