RS PRO High Speed Steel Drill Bit 6 mm Head, 5 Flutes, 90° Countersink, 45 mm Length, 218-551

The RS PRO High Speed Steel Drill Bit model 218-551 is a precision countersink tool engineered for industrial and workshop applications. Featuring a robust high speed steel construction, it is ideal for efficiently drilling and countersinking holes in a variety of materials including ferrous metals, hard plastics, and wood. The drill bit incorporates a head diameter of 6 mm and is equipped with five flutes, strategically designed to reduce clogging and improve clearance. The 90° countersink angle allows for the creation of smooth and consistent hole profiles, minimizing chatter and facilitating a clean finish.

With an overall length of 45 mm and a shank diameter of 5 mm, this drill bit is compatible with standard machine and portable tool holders. Its 5-flute design enhances performance by ensuring chatter-free operation during use, contributing to both reliability and the quality of drilled holes. The tool's single piece construction ensures durability, making it suitable for demanding industrial settings, maintenance operations, and general workshop use.

The high speed steel material provides excellent wear resistance and longevity, making it a dependable choice for repetitive and precision drilling tasks. The 218-551 model is specifically engineered for applications requiring countersinking of fastener holes, deburring, and preparation of material surfaces before assembly or finishing processes. It functions efficiently with machines or by hand, offering versatility across manufacturing, fabrication, and repair environments.

The RS PRO 218-551 drill bit is ideal for use in manufacturing, metalworking, electronic assembly, woodworking, and maintenance operations. Its robust design, supported by the 5-flute geometry, helps users achieve consistent results with reduced downtime for tool changes or maintenance. Additionally, the tool's ergonomic shape and precise construction facilitate ease of use and accurate control during drilling operations.

For users seeking a reliable and high-performance drill bit for countersinking applications, this RS PRO model offers measurable benefits in efficiency, finish quality, and tool longevity. While the product does not include additional standards or certifications, it is built to the exact specifications required for professional machine and workshop use.

Explore more high speed steel Drill Bits and countersink solutions in the RS PRO category and enhance productivity in your workshop, manufacturing, or maintenance environment.