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Step Drill Bit Set Rockforce RF-44705 HSS 4-piece in metal case
Summary description:
Rockforce RF-44705 is a 4-piece HSS step (cone) drill bit set supplied in a metal case. Designed for drilling and enlarging holes in sheet metal and thin materials, each stepped bit provides multiple diameter stages for incremental cutting. The set suits professional and DIY use where variable hole sizes are required without changing tools.