Irwin's 5.5mm Hss pro drill bit is ideal for precision and fast drilling.
HSS steel is used in the manufacture of the Irwin HSS Pro Drill Bit.
The cutting edges are precision ground for fast drilling and perfect finishing, the flutes are ground for maximum accuracy and fast chip removal, and the point shape is universal for drilling a wide range of materials.
Available in: 5.5mm x 1, 6mm x 1, 8mm x 1, 10mm x 1, 3.5mm x 2, 4mm x 2, 4.5mm x 2, 5mm x 2, 1.5mm x 3, 2mm x 3, 2.5mm x 3, 3mm x 3.