IDEAL Nailbiter 7 8 in Woodboring Ship Auger Drill Bit Deadbolts while the pre attached underlayment provides 7 High Water Jet while the pre attached underlayment provides a quiet and comfortable underfoot experience The installation process is a breeze simply drop 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 Yes For Use With Power tool Hand brace 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 Brand Model Compatibility N A Bit Diameter (Inches) 7 8 in 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 7 16 in