Patent ID: 6926484

Claim:
A threaded fastener for insertion within diverse types of substrates comprising wood, metal, thermoplastics, composite materials, concrete, and hard aggregate, said threaded fastener comprising: a shank portion extending circumferentially around a longitudinal axis; a head portion formed upon a first end of said shank portion; a tapered tip portion formed upon a second opposite end of said shank portion; a substantially continuous single helical thread formed upon said shank portion, wherein individual thread portions of said substantially continuous single helical thread comprise pointed crest portions defining a circumferentially extending linear locus which is formed by upper and lower flank surfaces of said substantially continuous single helical thread intersecting each other at an included angle, defined between said upper and lower flank surfaces, which is within the range of 40-60°; and a plurality of saw-blade type teeth formed upon peripheral edge portions of said pointed crest portions of said individual thread portions of said substantially continuous single helical thread so as to extend substantially continuously and contiguously, in adjacent contact with one another, around the entire circumferential extent of said threaded screw fastener, whereby a single one of said threaded fasteners can be used for insertion within the diverse types of substrates comprising wood, metal, thermoplastics, composite materials, concrete and hard aggregate.