Diablo SDS-Plus 5/8 In. x 4-1/4 In. Carbide-Tipped Rotary Hammer Drill Bit w/Stop Collar Category_Door Knobs & Hardware they are the best installation

they are the best installation tools for tall doors

Cut Lengths

Turning button locks both knobs

high pressure grease coupler

They feature a combination of tooth form and material to offer you a better cutting performance in soft metals

Diablo SDS-Plus 5/8 In. x 4-1/4 In. Carbide-Tipped Rotary Hammer Drill Bit w/Stop Collar Category_Door Knobs & Hardware they are the best installationDiablo made carbide withstands impact and high heat applications, dramatically extending life versus standard hammer bits Stop Collar for efficient shallow anchor installations Optimized brazing and hardening process extends life of carbide tips and increases productivity Maximum performance in corded and cordless SDS Plus rotary hammers