Irwin Cobalt Alloy High Speed Steel Fractional Straight Shank Jobber Length Drill Bits 7/16-Inch Size:7/16" closure plugs and ground screw

closure plugs and ground screw included

secure connections with easy-on wing-type design providing positive continuity between conductors

Coated with black corrosion-resistant paint

Fully reversible knob that can be installed on both right-handed and left-handed doors

For a low-sheen satin finish so beautiful you’d never suspect it’s also #1 rust-preventative paint on the market

Irwin Cobalt Alloy High Speed Steel Fractional Straight Shank Jobber Length Drill Bits 7/16-Inch Size:7/16" closure plugs and ground screwConstructed of M 35 5 percent cobalt alloy high speed steel for super abrasive resistance in tough metals Heavy duty spiral flute design produces faster chip ejection Shorter cutting lips reduce torque for drilling in high tensile strength materials. 135 degree split point reduces feed pressure for easier penetration without work hardening