5/16" x 18" Installer Drill Bit for Wood 4-Inch Core Bit #3 is similar to Jacobs

#3 is similar to Jacobs key 'KG1'

Use it on the jobsite

High-speed precision and amazing versatility

metal chuck provide maximum durability

This solution will get users close to their targeted torque value

5/16" x 18" Installer Drill Bit for Wood 4-Inch Core Bit #3 is similar to JacobsDiablos Installer Drill Bits for Wood offer premium performance and superior life in wire installation projects. An ultra sharp tip maximizes durability for fast, straight holes in clean wood or stacked lumber. Black oxide coated flutes prevent debris build up for fast chip removal. The small hole in the flute makes feeding cables and wires effortless. The 3 Flat Shank provides extra stability by eliminating spinning in the drill chuck.