Kerfing hybrid drill bit and other downhole cutting tools

A drill bit for drilling a borehole in earth formations, comprising:

• a bit body having a bit axis and a bit face;
• a plurality of blades extending radially along the bit face, the plurality of blades comprising at least one leading blade and a trailing blade, wherein the trailing blade trails each of the at least one leading blade;
• and
• a plurality of cutting elements on the plurality of blades, the plurality of cutting elements comprising:
• at least one cutter comprising a substrate and a diamond table having a substantially planar cutting face;
• and
• at least two non-planar cutting elements comprising a substrate and a diamond layer having a non-planar cutting end,
• wherein in a rotated view of the plurality of cutting elements into a single plane, the at least one cutter is located a radial position from the bit axis that is intermediate and overlaps the radial positions of the at least two non-planar cutting elements,
• wherein in the rotated view of the plurality of cutting elements in the single plane, the at least one cutter is spaced from a radially adjacent cutter by at least one-quarter of the diameter of the at least one cutter and at most two-times the diameter of the at least one cutter, and
• wherein the at least one cutter trails the at least two non-planar cutting elements, and the at least one cutter is on the trailing blade of the plurality of blades relative to at least one leading blade of the plurality of blades on which the at least two non-planar cutting elements are located, wherein the at least one cutter is configured to trim kerf created by the at least two non-planar cutting elements as the drill bit rotates.