A broach comprising: a broach body having a shaft shape; and a cutting edge section formed on an outer circumference of the broach body, the cutting edge section having a plurality of cutting edges that protrude from an outer circumference of the broach body and are arranged in a longitudinal direction of the broach body to form a cutting edge array at intervals along a lead twisted about the axis of the broach body; wherein the cutting edge section includes, in order from a front side of the broach body in the longitudinal direction of the broach body: a circumference cutting section in which an outer diameter of each of the cutting edges sequentially increases toward a rear side of the broach body, side, and a tooth thickness cutting section in which the thickness of each of the cutting edges in a broach body circumferential direction sequentially increases from the cutting edge at a rear end of the circumference cutting section toward the rear side of the broach body, wherein a high-feed cutting section, in which an outer diameter of each of the cutting edges sequentially increases toward the rear side of the broach body, is disposed in at least a rear end portion of the circumference cutting section, and the front end portion of the circumference cutting section is a low-feed cutting section where the cutting depth per cutting edge is set in a range that is smaller than that of the high-feed cutting section, characterized in that a cutting depth per cutting edge in the high-feed cutting section is set in a range of 0.15 mm or more and 0.30 mm or less, and a cutting depth per cutting edge in the low-feed cutting section on the front side of the circumference cutting section is in a range of 0.03 mm or more and 0.15 mm or less. a broach body having a shaft shape; and a cutting edge section formed on an outer circumference of the broach body, the cutting edge section having a plurality of cutting edges that protrude from an outer circumference of the broach body and are arranged in a longitudinal direction of the broach body to form a cutting edge array at intervals along a lead twisted about the axis of the broach body; wherein the cutting edge section includes, in order from a front side of the broach body in the longitudinal direction of the broach body: a circumference cutting section in which an outer diameter of each of the cutting edges sequentially increases toward a rear side of the broach body, side, and a tooth thickness cutting section in which the thickness of each of the cutting edges in a broach body circumferential direction sequentially increases from the cutting edge at a rear end of the circumference cutting section toward the rear side of the broach body, wherein a high-feed cutting section, in which an outer diameter of each of the cutting edges sequentially increases toward the rear side of the broach body, is disposed in at least a rear end portion of the circumference cutting section, and the front end portion of the circumference cutting section is a low-feed cutting section where the cutting depth per cutting edge is set in a range that is smaller than that of the high-feed cutting section, characterized in that a cutting depth per cutting edge in the high-feed cutting section is set in a range of 0.15 mm or more and 0.30 mm or less, and a cutting depth per cutting edge in the low-feed cutting section on the front side of the circumference cutting section is in a range of 0.03 mm or more and 0.15 mm or less. a circumference cutting section in which an outer diameter of each of the cutting edges sequentially increases toward a rear side of the broach body, side, and a tooth thickness cutting section in which the thickness of each of the cutting edges in a broach body circumferential direction sequentially increases from the cutting edge at a rear end of the circumference cutting section toward the rear side of the broach body, wherein a high-feed cutting section, in which an outer diameter of each of the cutting edges sequentially increases toward the rear side of the broach body, is disposed in at least a rear end portion of the circumference cutting section, and the front end portion of the circumference cutting section is a low-feed cutting section where the cutting depth per cutting edge is set in a range that is smaller than that of the high-feed cutting section, characterized in that a cutting depth per cutting edge in the high-feed cutting section is set in a range of 0.15 mm or more and 0.30 mm or less, and a cutting depth per cutting edge in the low-feed cutting section on the front side of the circumference cutting section is in a range of 0.03 mm or more and 0.15 mm or less.