1/4 in. to 1-1/8 in. - #9 Cobalt Spiral Step Drill Bit (15-Steps)

DISSTON BLU-MOL Xtreme Spiral Stet Drill Bit provides 4-time faster cutting compared to a standard bit. M35 COBALT provides strength and durability. Titanium Nitride coating extends the life of the bit. Impact rated for high Torque applications. 1/4 in. Quick Change hex shank for quick change and no slipping during drilling. Continuous cutting action allows for faster cleaner hole enlargement. Self-start dual cutting split point provides engagement, minimizes walking and increased speed. Drills through Metal, Sheet Metal, Plastic and Stainless Steel. Available in all sizes.