A double nozzle (200, 300, 400, 450, 460) for a laser cutting head, the double nozzle comprising: an inner body portion (202, 302, 402, 600, 460, 706) having (i) an interior surface defining a first bore (205, 312, 412),, the bore aligned with a central longitudinal axis (207, 307, 407) of the body, and (ii) a first exterior circumferential surface disposed toward a distal end of the inner body portion (202, 302, 402, 600, 460, 706) and a second exterior circumferential surface disposed toward a proximal end of the inner body portion (202, 302, 402, 600, 460, 706), wherein the second circumferential exterior surface is tapered relative to a longitudinal axis of the double nozzle; and an outer body portion (204, 304, 404, 461, 704) having an interior surface defining a second bore (221, 314, 414) that is substantially aligned to the longitudinal axis (207, 307, 407), the outer body portion (204, 304, 404, 461, 704) matingly engaged with a region of the first exterior circumferential surface (223, 322) of the inner body portion (202, 302, 402, 600, 460, 706), wherein the inner body portion (202, 302, 402, 600, 460, 706) and the outer body portion (204, 304, 404, 461, 704) are affixed, and wherein the region between the first exterior circumferential surface (223, 322) of the inner body portion (202, 302, 402, 600, 460, 706) and the interior surface of the outer body portion (204, 304, 404, 461, 704) defines at least six coaxial fluid flow paths (455, 465, 601) through an interior annular flow volume of the double nozzle, each fluid flow path (455, 465, 601) defined at least in part by a corresponding feature formed in at least one of the inner body portion (202, 302, 402, 600, 460, 706) or the outer body portion (204, 304, 404, 461, 704). an inner body portion (202, 302, 402, 600, 460, 706) having (i) an interior surface defining a first bore (205, 312, 412),, the bore aligned with a central longitudinal axis (207, 307, 407) of the body, and (ii) a first exterior circumferential surface disposed toward a distal end of the inner body portion (202, 302, 402, 600, 460, 706) and a second exterior circumferential surface disposed toward a proximal end of the inner body portion (202, 302, 402, 600, 460, 706), wherein the second circumferential exterior surface is tapered relative to a longitudinal axis of the double nozzle; and an outer body portion (204, 304, 404, 461, 704) having an interior surface defining a second bore (221, 314, 414) that is substantially aligned to the longitudinal axis (207, 307, 407), the outer body portion (204, 304, 404, 461, 704) matingly engaged with a region of the first exterior circumferential surface (223, 322) of the inner body portion (202, 302, 402, 600, 460, 706), wherein the inner body portion (202, 302, 402, 600, 460, 706) and the outer body portion (204, 304, 404, 461, 704) are affixed, and wherein the region between the first exterior circumferential surface (223, 322) of the inner body portion (202, 302, 402, 600, 460, 706) and the interior surface of the outer body portion (204, 304, 404, 461, 704) defines at least six coaxial fluid flow paths (455, 465, 601) through an interior annular flow volume of the double nozzle, each fluid flow path (455, 465, 601) defined at least in part by a corresponding feature formed in at least one of the inner body portion (202, 302, 402, 600, 460, 706) or the outer body portion (204, 304, 404, 461, 704).