Patent ID: 8647038

Claim:
A fastener, comprising: a body having a proximal end, a distal end and an axis, a head at said proximal end, a drilling tip proximate said distal end, said drilling tip forming a first angle with respect to said axis, a thread extending radially outwardly from said body, said thread having a first end spaced from said drilling tip and a second end spaced from an underside of said head, and a notch in said body and said thread, said notch having a first end located on said drilling tip, a second end located on said body, a leading face and a trailing face, and an edge at an intersection of said leading face and said trailing face; wherein said edge is angled about 20 degrees leftward with respect to said axis and is angled a different amount than said first angle of said drilling tip, said first end of said notch is spaced between about 1/16″ and about ⅛″ from said end of said drilling tip, said second end of said notch is spaced about 4/10 inch from said end of said drilling tip, said leading face is generally concave, said trailing face is generally planar, and said trailing face is generally perpendicular to a plane that is tangent to said body at an intersection of said trailing face and said body.