Irwin HSS Long Pro Drill Bits

This 4.5mm Irwin HSS Long Pro Drill Bit is sized for medium to heavy-duty drilling applications where strength and accuracy are both essential. Ideal for structural fixings, mechanical assembly and metalworking projects, this size handles more demanding tasks whilst maintaining precision. 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 chuck grip, this long series drill bit comes in a bulk pack of 10, providing excellent value for professionals who require dependable performance across varied applications. Features and Benefits: • 4.5mm diameter ideal for structural and mechanical work • High q