PROBLEM TO BE SOLVED: To provide a means for improving the work efficiency of a work of attaching and detaching a transport member to a chain. A bolt holder A is used when a transport member 43 is attached to and detached from a chain 42. The bolt holder A has a holding portion 61 that holds a plurality of bolts B in a state in which the plurality of bolts B are simultaneously stopped in each conveying member 43, and a connecting portion 63 that is connected to at least one of the flange portion and the conveying member 43. Equipped with. [Selection diagram] Fig. 7【課題】搬送部材のチェーンに対する脱着作業の作業効率を高める手段を提供する。【解決手段】ボルト保持具Ａは、搬送部材４３をチェーン４２に対して脱着する際に用いられる。ボルト保持具Ａは、夫々の搬送部材４３において、複数のボルトＢを、同時に回り止めした状態で保持する保持部６１と、フランジ部及び搬送部材４３の少なくとも一方に連結される連結部６３と、を備える。【選択図】図７
