An angled strips of brads with a plurality of cohered brads having a shank with a tip portion. A head portion of at least some of the plurality of brads having a bulge protruding forwardly from the leading side thereof and extending at least partially into the trailing side of the head portion of an adjacent brad. An upper leading side portion of the head portions of the plurality of brads offset rearwardly of the leading side of the shank, whereby interlocking of adjacent head portions of the angled strip of brads is reduced. The rearwardly biased head portion is formed preferably with a rearwardly sloped riser portion of a header punch.