A bone screw comprising: a shaft having a proximal shaft end and a distal shaft end spaced from the proximal shaft end in a distal direction along a central axis, wherein the shaft is helically threaded between the proximal and distal shaft ends (120, 112) and in a first direction of rotation as viewed along the distal direction; and a tip that extends from the distal shaft end in the distal direction to a tip end, the tip defining a plurality of lands (252; 352; 452) and a plurality of cutting flutes (250; 350; 450), each cutting flute (250; 350; 450) disposed between a different pair of the lands (252; 352; 452), each of the lands (252; 352; 452) defined by a leading side (256; 356; 456) and a trailing side (258; 358; 458) with respect to the first direction of rotation, each leading side (256; 356; 456) having a bore-cutting edge (264; 364; 464) configured to cut a bore into bone and a thread-cutting surface (280; 380; 480) configured to cut threading into the bone, each bore-cutting edge (264; 364; 464) extending from an inner cutting-edge end (266; 366; 466) to an outer cutting-edge end (268; 368; 468), wherein: the inner cutting-edge end (266; 366; 466) is disposed at a center (270; 370; 478) of the tip end; the outer cutting-edge end (268; 368; 468) is spaced from the center (270; 370; 478) of the tip end; and the bore-cutting edge (264; 364; 464) defines a tip angle (θ TP) with respect to a plane that is perpendicular to the central axis, characterized in that the tip angle (θ TP) is in the range of approximately 15 degrees to approximately 30 degrees. a shaft having a proximal shaft end and a distal shaft end spaced from the proximal shaft end in a distal direction along a central axis, wherein the shaft is helically threaded between the proximal and distal shaft ends (120, 112) and in a first direction of rotation as viewed along the distal direction; and a tip that extends from the distal shaft end in the distal direction to a tip end, the tip defining a plurality of lands (252; 352; 452) and a plurality of cutting flutes (250; 350; 450), each cutting flute (250; 350; 450) disposed between a different pair of the lands (252; 352; 452), each of the lands (252; 352; 452) defined by a leading side (256; 356; 456) and a trailing side (258; 358; 458) with respect to the first direction of rotation, each leading side (256; 356; 456) having a bore-cutting edge (264; 364; 464) configured to cut a bore into bone and a thread-cutting surface (280; 380; 480) configured to cut threading into the bone, each bore-cutting edge (264; 364; 464) extending from an inner cutting-edge end (266; 366; 466) to an outer cutting-edge end (268; 368; 468), wherein: the inner cutting-edge end (266; 366; 466) is disposed at a center (270; 370; 478) of the tip end; the outer cutting-edge end (268; 368; 468) is spaced from the center (270; 370; 478) of the tip end; and the bore-cutting edge (264; 364; 464) defines a tip angle (θ TP) with respect to a plane that is perpendicular to the central axis, the inner cutting-edge end (266; 366; 466) is disposed at a center (270; 370; 478) of the tip end; the outer cutting-edge end (268; 368; 468) is spaced from the center (270; 370; 478) of the tip end; and the bore-cutting edge (264; 364; 464) defines a tip angle (θ TP) with respect to a plane that is perpendicular to the central axis, characterized in that the tip angle (θ TP) is in the range of approximately 15 degrees to approximately 30 degrees.