A drill comprising: a cutting section having a cylindrical shape and configured to be rotated about a rotation axis, wherein the cutting section includes: a first cutting section and a second cutting section at a front end portion thereof; a first flute continuous with the first cutting section and extending helically around the rotation axis toward a rear end of the cutting section; and a second flute continuous with the second cutting section and extending helically around the rotation axis toward the rear end of the cutting section, the first cutting section includes a first inner cutting edge (11a1) extending from the rotation axis toward an outer peripheral surface and a first outer cutting edge positioned closer to the outer peripheral surface than the first inner cutting edge (11a1) and gradually inclined to the rear end of the cutting section toward the outer peripheral surface, the second cutting section includes a second inner cutting edge (11b1) extending from the rotation axis toward the outer peripheral surface and a second outer cutting edge positioned closer to the outer peripheral surface than the second inner cutting edge (11b1) and gradually inclined to the rear end of the cutting section toward the outer peripheral surface, a distance from the rear end of the cutting section to an inner end (llaa) of the first outer cutting edge in a rotation axis direction is equal to a distance from the rear end of the cutting section to an inner end of the second outer cutting edge, and the first inner cutting edge (11a1) is positioned closer to the rear end of the cutting section than the inner end (llaa) of the first outer cutting edge, and the second inner cutting edge (11b1) is positioned closer to the rear end of the cutting section than the inner end of the second outer cutting edge, the first inner cutting edge (11a1) is a first chisel edge (11a1), and the first chisel edge (11a1) has a convex curved shape protruding toward the first flute in a front end view, characterized in that an outer end (11a1b) of the first chisel edge (11a1) is positioned behind an inner end of the first outer cutting edge in a rotational direction in a front end view. a cutting section having a cylindrical shape and configured to be rotated about a rotation axis, wherein the cutting section includes: a first cutting section and a second cutting section at a front end portion thereof; a first flute continuous with the first cutting section and extending helically around the rotation axis toward a rear end of the cutting section; and a second flute continuous with the second cutting section and extending helically around the rotation axis toward the rear end of the cutting section, a first cutting section and a second cutting section at a front end portion thereof; a first flute continuous with the first cutting section and extending helically around the rotation axis toward a rear end of the cutting section; and a second flute continuous with the second cutting section and extending helically around the rotation axis toward the rear end of the cutting section, the first cutting section includes a first inner cutting edge (11a1) extending from the rotation axis toward an outer peripheral surface and a first outer cutting edge positioned closer to the outer peripheral surface than the first inner cutting edge (11a1) and gradually inclined to the rear end of the cutting section toward the outer peripheral surface, the second cutting section includes a second inner cutting edge (11b1) extending from the rotation axis toward the outer peripheral surface and a second outer cutting edge positioned closer to the outer peripheral surface than the second inner cutting edge (11b1) and gradually inclined to the rear end of the cutting section toward the outer peripheral surface, a distance from the rear end of the cutting section to an inner end (llaa) of the first outer cutting edge in a rotation axis direction is equal to a distance from the rear end of the cutting section to an inner end of the second outer cutting edge, and the first inner cutting edge (11a1) is positioned closer to the rear end of the cutting section than the inner end (llaa) of the first outer cutting edge, and the second inner cutting edge (11b1) is positioned closer to the rear end of the cutting section than the inner end of the second outer cutting edge, the first inner cutting edge (11a1) is a first chisel edge (11a1), and the first chisel edge (11a1) has a convex curved shape protruding toward the first flute in a front end view, characterized in that an outer end (11a1b) of the first chisel edge (11a1) is positioned behind an inner end of the first outer cutting edge in a rotational direction in a front end view.