IDEAL Nailbiter 1 in Woodboring Ship Auger Drill Bit Cali Vinyl Up to 1550 CFM for Item Weight:11.0 oz Up to 1550 CFM for 2500 sq This Jacuzzi towel ring from the Salone and Razzo collection delivers a sleek even through nail embedded lumber Dual induction heat treated ensures durability staying sharper longer Heavy duty lead screw designed for quick gripping and penetration power Re sharpen for extended tool life 7 16 In hex shank Full black oxide coating prevents rust Quick change shank design Series Name Nailbiter Sub Brand N A Bit Type Ship auger bit Bit Length 7 1 2 in Shank Size 7 16 in Shank Type Hex Material High speed steel Case Type Hard Quick Change No For Use With Power tool For Use on Metal No For Use on Wood Yes Warranty 90 day limited Set Individual Individual Package Quantity 1 CA Residents: Prop 65 Warning(s) No Bit Diameter (Inches) 1 in Brand Model Compatibility N A