Track Bolts Standard: AWWA C111 Ọrun: Square ọrun Ohun elo & Ohun-ini: Agbara giga, alloy kekere, irin sooro ipata. Awọn ohun elo miiran tabi awọn ideri pataki wa lori ibeere. Awọn iwọn ila opin: 3/8”,5/8”,3/4”,7/8” ati 1” Gigun: 2-1/2”～28” . O tẹle: UNC ti yiyi o tẹle
