Irwin HSS Long Pro Drill Bits

This 3.5mm Irwin HSS Long Pro Drill Bit is perfectly sized for medium-duty drilling applications across a variety of materials. Ideal for mounting brackets, installing hardware and general metalworking tasks, this size is commonly used by electricians, plumbers and general tradespeople. Manufactured from high quality HSS steel with a bright finish, this drill bit features precision ground cutting edges that enable fast drilling whilst ensuring perfect finishing. The ground flute design maximises accuracy and facilitates rapid chip removal, whilst the universal 118° point shape makes it suitable for drilling low carbon steel, soft metals, wood and plastics. Manufactured to DIN 340 standards with a cylindrical shank for secure fitting, this long series drill bit comes in a bulk pack of 10, ensuring excellent value for professionals who require reliable performance day after day.