TAPER SCREW AND GAS TURBINE

摘要

PROBLEM TO BE SOLVED: To reduce fouling that occurs to a taper screw in response to generation of excessively high pressure on a tip end of the taper screw.SOLUTION: To attain the object, a taper screw of the present invention is a taper screw constituted by a tapered male screw mated with a tapered female screw formed on a fastening target member, a taper screw central hole being formed in a bottom surface of the male screw, and a depth of the taper screw central hole being equal to or smaller than an axial length of the male screw.