The Irwin HSS Pro Drill Bit manufactured from high quality HSS steel. They have precision ground cutting edges for fast drilling and perfect finishing, a ground flute for maximum accuracy and fast chip removal and a universal 118º point shape for drilling a wide selection of materials.Select Option 1.0mm Bulk Pack of 101.5mm Bulk Pack of 1010.0mm Bulk Pack of 510.5mm Bulk Pack of 511.0mm Bulk Pack of 511.5mm Bulk Pack of 512.0mm Bulk Pack of 512.5mm Bulk Pack of 513.0mm Bulk Pack of 52.0mm Bulk Pack of 102.5mm Bulk Pack of 103.0mm Bulk Pack of 103.5mm Bulk Pack of 104.0mm Bulk Pack of 104.5mm Bulk Pack of 105.0mm Bulk Pack of 105.5mm Bulk Pack of 106.0mm Bulk Pack of 106.5mm Bulk Pack of 107.0mm Bulk Pack of 107.5mm Bulk Pack of 58.0mm Bulk Pack of 58.5mm Bulk Pack of 59.0mm Bulk Pack of 59.5mm Bulk Pack of 5 Add to Basket Quantity