SOMADA 3/4-Inch x 12-Inch Auger Drill Bit for Wood, Hex Shank 3/8-Inch, Ship Auger Long Drill Bit for Soft and Hard Wood, Plastic, Drywall and Composite Materials - Amazon.com
National Twist Drill - Screw Machine Length Drill Bit: 3/4″ Dia, 118 ° Point, High Speed Steel - 58851726 - MSC Industrial Supply