Precision Twist Drill 018618 | #18 Diameter 3-1/4" OAL 118 Degree High Speed Steel Bright Finish Jobber Length Drill Bit - All Industrial Tool Supply
Milwaukee Tool 48-20-7256 Drill Bit
Drill America 1/2 in. x 18 in. High Speed Steel Extra Long Drill Bit DWDDL18X1/2 - The Home Depot
18 Inch Long Drill Bits, 1/4 to 1 Inch by 64th Increments, 1-1/8, 1-3/16, 1-1/4 Diameter, Series 2632-
Amazon.com: Sabre Tools 1-1/4 Inch x 18 Inch SDS Plus Rotary Hammer Drill Bit, Carbide Tipped for Brick, Stone, and Concrete (1-1/4" x 16" x 18") : Tools & Home Improvement
IRWIN 1890707 Straight Shank Installer Drill Bit for Wood, 18-Inch by 1/4- Inch | eBay
IRWIN Installer Drill Bit for Wood, Straight Shank, 18-Inch x 5/8-Inch (1890713) - Amazon.com