RS PRO HSS Step Drill Bit 5 to 13 mm, 55 mm Length, Hex Shank, Bright Finish 423-860

RS PRO 423-860 HSS Step Drill Bit is a precision-engineered tool designed to create holes of varying sizes in metal and other materials. With a diameter range from 5 mm to 13 mm, and a total length of 55 mm, this step drill bit is ideal for repetitive drilling tasks that demand reliability and versatility. Its high-speed steel construction provides excellent resistance to wear and temperature, ensuring longevity in demanding industrial and workshop environments.

The five-step geometry means users can make multiple hole sizes quickly without switching bits, streamlining fabrication and assembly processes. A 7.15 mm hex shank is integrated for compatibility with standard chucks, offering stable gripping and preventing slippage, which enhances safety and accuracy during operation.

A bright finish on the drill bit optimizes chip removal and reduces friction, providing a smoother cut and helping prolong tool life. The RS PRO 423-860 also meets American (ANSI/ESD S20.20:2014) and European (BS EN 61340-5-1:2007) electrostatic discharge requirements, reducing risks when working near sensitive electronic components. Its step design is especially suited for sheet metal, installation panels, electrical boxes, and general engineering applications.

Practical applications of this step drill bit include metalworking, maintenance, panel fabrication, electrical and HVAC installations, as well as laboratory equipment assembly where various hole diameters are required. The non-slip hex shank ensures secure placement in three-jaw chucks during high-speed drilling.

Industrial environments benefit from the versatility and robustness of the RS PRO 423-860 Step Drill Bit, making it a valuable tool for professionals in manufacturing, engineering workshops, construction and maintenance teams.

Made from high-speed steel (HSS) for durability and heat resistance. Allows drilling of holes sized 5 mm to 13 mm with five distinct steps. Features a 55 mm overall length and 7.15 mm hex shank for secure fit. Bright finish ensures smooth cutting and reduced friction.

Hex shank prevents slippage in three-jaw chucks for safer operation. Designed to minimize electrostatic discharge, meeting ANSI and EN standards. Suitable for industrial, workshop, maintenance, and fabrication tasks. Explore more step drill bits and industrial cutting tools from RS PRO in the Drill Bit category on EnvMart.