We are a professional manufacturer and supplier of ASTM A193/A320 series stud bolt with A194 nut. This stud bolt set is mainly used in Petro and Chemical engineering, bridge, high-biuilding etc. We can supply all the grades and finish treatment, including B7, B7M, B8, B8M, B8T, B8X, B8MX, B8TX, B8/B8M/B8T class 2, B16, L7 etc. The finish treatment includes zp, hot dip galvanzined, Black oxide, Phosphated, Dacromet, teflon, etc.

Now we export large quantity to USA, Canada, Germany, Middle East etc. If you need this bolt, please don't hesitate to contact with me.