RS PRO HSS Multi-Diameter Step Drill Bit 6 to 39 mm, Cone Shank, 90mm Length 232-507

RS PRO 232-507 Multi-Diameter Step Drill Bit by RS PRO is a specialist high-speed steel (HSS) tool designed for efficient step drilling with diameters ranging from 6 to 39 mm. With an overall length of 90 mm and a cone shank type, this step drill bit is engineered to produce clean, precise holes in materials up to 3 mm thick, including stainless steel, carbon steel, soft metals, and plastics. The bright finish and 3-flute cutting design optimize performance by minimizing vibration and maximizing stability during use.

This multi-diameter step drill eliminates the need to change drill bits frequently by providing multiple hole sizes within a single tool. It is highly suitable for industrial and professional applications, especially in electrical, plumbing, and HVAC sectors where various hole sizes are required on sheet materials. The drill bit is compatible with both corded and cordless drills as well as stationary drilling machines, offering excellent versatility.

The product is manufactured in the United Kingdom to meet high-quality standards, ensuring durability and extended service life. The stepped design includes 12 increments, each 3 mm apart, allowing controlled and accurate hole sizing without pilot holes. Its bright finish surface and cone shank provide ease of use and secure fitting in power tool chucks.

Industrial users will benefit from the precision and efficiency improvements this step Drill Bit brings during metal fabrication, sheet metal work, and plastic drilling tasks within manufacturing, maintenance, and repair operations.

Constructed from high-speed steel (HSS) for durability and long tool life. Features a stepped cone shape allowing drilling of holes ranging from 6 to 39 mm diameter. Overall length of 90 mm with a cone-type shank for secure chuck fitting.

Bright finish surface enhances cutting performance and reduces friction. Designed with 12 steps enabling drilling up to 3 mm thick sheet materials. Eliminates the need for pilot holes, improving efficiency when working with stainless steel, carbon steel, soft metals, and plastics.

Compatible with corded and cordless power drills and stationary drilling machines. Ideal for electrical, plumbing, and HVAC applications requiring versatile hole size options. Three-flute cutting action ensures clean, accurate, and parallel holes in thin materials.

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