17 Ago Lenox 30882VB2 1/2″-1″ 9-Step HSS Vari-Bit Step Drill Bit
The bit features a dual-flute spiral design with a black oxide coating for corrosion resistance and reduced friction, and Lenox claims 2x longer life and 50% faster starts versus its prior VB1–VB8 generation when tested in 1/16" 1008 steel....