Abstract: There is provided a reciprocating saw blade having a tapered tang stem. The tang has a tang portion with at least three outer edges and a stem portion with at least three outer edges. The profiles of the tang portion and particularly the stem portion are such that they facilitate the effective and efficient engagement of the saw blade with any of numerous different keyed or keyless chucks of reciprocating saws. The tang/stem profile also advantageously provides for increased strength for resisting failure and/or fatigue stemming from a cutting force applied to the saw blade during use.

Abstract: In a saw blade having a cutting edge defined by a plurality of teeth disposed along the blade, each tooth includes a tip, a rake face, and a curvilinear base surface. The tip of each tooth and the tip of the next consecutively disposed tooth cooperate to define a pitch distance therebetween, with the curvilinear base surface and the tip of each tooth cooperating to define a maximum gullet depth. In addition, the rake face and the curvilinear base surface of each tooth define an effective gullet radius greater than about 25% of the pitch distance, and also greater than about 55% of the maximum gullet depth.