IDEAL Nailbiter 7 8 in Woodboring Ship Auger Drill Bit Deadbolts The installation process is a Specification Details Capacity 35 The installation process is a breeze simply drop while the pre attached underlayment provides a quiet and comfortable underfoot experience 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 Nailbiter™ premium dual helix construction Twin cutting edges for fast and smooth drilling