... API, SAE, DIN, BS, GB and SY requirementsApplicationWidely used in construction, bridge, highway, windows of model steel door, machinery, ... chemical industry, supermarket goods shelf and so on.PackingIn square bundles with standard seaworthy export packing or as request. ... , so business without a third-partyKindely AttentionAbove all, in your inquiry, besides the outer diameter, thickness and length ...