Irwin IRW10502276 HSS Pro Drill Bits Bulk Pack (10) 4.5mm OL:80mm WL:47mm 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. The Irwin IRW10502276 HSS Pro Drillbits comes in a bulk pack of 10. Specifications: Drillbit diameter: 4.5mm Total length: 80mm Working Length: 47mm
