The Irwin HSS Pro Drillbits are manufactured from high quality HSS steel with a steam oxide surface finish.
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 IRW10502321 HSS Pro Drillbits comes in a bulk pack of 5 with the following dimensions:
Drillbit diameter: 9.0mm
Total length: 125mm
Working Length: 81mm