Patent ID: 8348573

Claim:
A versatile fastener comprising a shank, a head portion at one side thereof, a drill point disposed opposite to said head portion extending to a distal end of said shank, and a threaded portion spirally disposed on said shank and extending to a beginning of said drill point; wherein, said drill point including a cutting part with no spiral thread disposed thereon, following said threaded portion and extending adjacently to said distal end of said shank and at least one leading thread extending outwardly from said cutting part, said leading thread being located between said cutting part and said distal end for a leading driving into an object; wherein, said cutting part having at least two flat areas extending from said threaded portion to a beginning of said leading thread and an accommodating area in the form of a recess disposed between any two of said flat areas; said accommodating area being formed by at least two cutting faces connected with each other, and a first cutting edge as well as a second cutting edge being respectively disposed on a convergence of each cutting face and each flat area so that said adjacent flat areas are spaced by said accommodation area for providing a holding capability of said two cutting edges with said object and guiding debris out; wherein, a pointed part is formed at a junction between said first cutting edge and said leading thread and, a guiding area is defined at a meeting of said second cutting edge and said leading thread to attain a connection between said cutting part and said leading thread, facilitating the cutting capability and the removal of debris.