Desription: Size: M18, M22, L=135, 167, 175, 195mm Material: Q235, C35, C45, 35CrMo Standards Refers: Zinc plated, hot dip galvanized fastening together with nuts and washers for spring blade type fastening system. We produce insert bolt with hight quality and have rich experience in forging rail fastening. wovan bag+wooden pallet, or according to customers' requirement
