Irwin Installer Drill Bit, 1/4 in Diameter, 18 in Overall Length, Spiral Flute, 0.23 in Shank, Cylinder Shank, 82 deg Point, Clockwise Cutting Direction, Alloy Steel, Applicable Materials: Wood, Plaster, Metal Lath, With Solid Structure

Irwin Installer Drill Bit, 5/16 in Diameter, 18 in Overall Length, Spiral Flute, 0.285 in Shank, Cylinder Shank, 82 deg Point, Clockwise Cutting Direction, Alloy Steel, Applicable Materials: Wood, Plaster, Metal Lath, With Solid Structure

Irwin Installer Drill Bit, 3/8 in Diameter, 18 in Overall Length, Spiral Flute, 0.37 in Shank, Cylinder Shank, 82 deg Point, Clockwise Cutting Direction, Alloy Steel, Applicable Materials: Wood, Plaster, Metal Lath, With Solid Structure

Irwin Installer Drill Bit, 1/2 in Diameter, 18 in Overall Length, Spiral Flute, 0.37 in Shank, Cylinder Shank, 82 deg Point, Clockwise Cutting Direction, Alloy Steel, Applicable Materials: Wood, Plaster, Metal Lath, With Solid Structure

Irwin Installer Drill Bit, 5/8 in Diameter, 18 in Overall Length, Spiral Flute, 0.37 in Shank, Cylinder Shank, 82 deg Point, Clockwise Cutting Direction, Alloy Steel, Applicable Materials: Wood, Plaster, Metal Lath, With Solid Structure

Irwin Installer Drill Bit, 3/4 in Diameter, 18 in Overall Length, Spiral Flute, 0.37 in Shank, Cylinder Shank, 82 deg Point, Clockwise Cutting Direction, Alloy Steel, Applicable Materials: Wood, Plaster, Metal Lath, With Solid Structure