Flange nuts, hex. Flange nuts, automotive, inner wheel nuts, heavy hex nut, steel fastener, wholesale nuts, etc.

1). Grade: 4, 8, 10, 12;
2). Material: Carbon steel, such as C45, C35, Cr40, etc.
3). Finish: Zinc plate, black, plain etc.
4). Package: Cartons, gunny bags, wooden cases, boxes, knitted bags, etc.
5). Technology: Hot-forged.