RS PRO High-Speed Steel Drill Bit Set 4.5 mm Diameter, 151 mm Overall Length, 12 mm Shank, 5 Flutes, Plain Shank 217-277

RS PRO 217-277 is a professional drill bit set comprising five high-speed steel (HSS) bits, each with a 4.5 mm cutting diameter and an overall length of 151 mm. This set is engineered to meet the demands of industrial and workshop drilling applications, particularly in aluminum and other metals. The drill bits feature a plain 12 mm shank designed for easy fitment into standard electric and pneumatic drilling machines.

The bits are constructed with high-speed steel, ensuring excellent durability and wear resistance when performing precision jobs. The 5-flute helical design enhances chip ejection and cooling, reducing heat build-up and prolonging tool life during continuous use.

Each drill bit in this set complies with international standards BS 328, ISO 235, and DIN 330, making them reliable and consistent in quality, suitable for both general manufacturing and maintenance tasks. The right cutting direction facilitates clean holes with minimal burrs, optimizing finishing quality while maintaining operational efficiency.

This metric jobber drill set offers quick spiral geometry tailored for aluminium and metal drilling, suitable for both hand-held drills and machine fixtures in construction, manufacturing, and laboratory settings.

Durable high-speed steel (HSS) material. Five helical flutes for efficient chip removal and cooling. Plain shank type with 12 mm diameter for universal compatibility. Right cutting direction for precision and smooth finishes.

Conforms to BS 328, ISO 235, DIN 330 standards. Set contains five drill bits for versatile industrial use. Perfect for aluminium and metal drilling applications. Facilitates quick spiral performance in jobber length drills.

Explore our extensive category of Drill Bits for professional power tools and enhance your workshop capabilities with high-quality RS PRO products available on EnvMart.