PROBLEM TO BE SOLVED: To provide an anchor-fastening tool capable of properly adjusting the depth of fastening to an object to be fastened by an anchor.SOLUTION: An anchor-fastening tool 1 comprises: a shaft section 3 having a recessed portion for axially detachably fitting and circumferentially engaging with a head portion of an anchor 2 which has a screw section 5 and the head portion provided in the proximal end side of the screw section 5 and formed in a columnar shape with a non-circular transverse cross-section, and an abutting portion 12 which when the head portion is fitted in the recessed portion, is disposed at a position which protrudes to the outside of the maximum diameter of the screw section 5 in the proximal end side rather than the tip of the screw section 5 and a grip section 4 which is connected to the proximal end side of the shaft section 3 and is for supplying torque to rotate the shaft section 3 around the longitudinal axis.COPYRIGHT: (C)2015,JPO&INPIT【課題】アンカーの被締結対象物への締結深さを適正に調整することができるという効果を奏するアンカー締結具を提供する。【解決手段】スクリュ部5と、該スクリュ部5の基端側に設けられ、横断面非円形の柱状に形成された頭部とを有するアンカー2の前記頭部を、軸方向に着脱可能に嵌合させかつ周方向に係合する凹部と、該凹部に前記頭部を嵌合させた状態で、スクリュ部5の先端よりも基端側の位置においてスクリュ部5の最大径よりも外側に突出した位置に配置される突当部12とを有するシャフト部3と、該シャフト部3の基端側に連結され、前記シャフト部3を長手軸回りに回転させるトルクを供給するためのグリップ部4とを備えるアンカー締結具1を提供する。【選択図】図1