RS PRO HSS Twist Drill Bit, 8mm Diameter, 315mm Overall

RS PRO Metric Extra Length Twist Drill Bit

This Metric Extra Length Twist Drill Bit from our own RS PRO brand is an industrial grade drill bit in super high speed HSS steel for accurate and easy drilling of all metals, special and hardened steels and alloys.

HSS Long & Extra Long Series

These HSS straight shank, right hand cutting long series twist drills are capable of drilling up to 10x the drill diameter before the flute needs to be cleared, to avoid fouling. They are made to BS328/DIN340 RN and ISO standards, and are recommended for use with steel and cast iron.