BEND CORRECTING TOOL AND BEND CORRECTING METHOD FOR BORING HOLE

摘要

PROBLEM TO BE SOLVED: To bore a straight horizontal hole easily and efficiently while applying a correction when boring the horizontal hole in an object to be bored. SOLUTION: A cut section 4 is provided at the tip outer peripheral section 3 of a hollow pipe, and a bend correcting tool 1 storing a spindle 6 at the tip inside 5 of the hollow pipe is inserted into the horizontal hole 7 having a bend section. The bend correcting tool 1 is straightly advanced while being rotated to cut the inner wall face of the bend section of the horizontal hole 7, and the horizontal hole 7 is corrected to a straight horizontal hole.