| Coating | White/Yellow/Sliver/Copper/Nickel Plated, Black oxide, Plain | 
| Standard | DIN, ASME, ANSI, ISO, UNI, JIS | 
| Thread | UNC, UNF, UN, Metric Coarse, Fine | 
| Packing | small box, 25kgs/master carton, palletized | 
| Delivey Time | 15-20 days after receive payment | 
| Service | According to drawing or standard, OEM, ODM | 
 Flange nuts and general hex nuts are basically the same size as the thread specifications, but compared to hex nuts, it is a one-piece gasket and nut, and has non-slip tooth patterns underneath, which increases the nut and the workpiece The surface area contact is stronger and stronger than the combination of ordinary nut and washer.
    Flange nuts and general hex nuts are basically the same size as the thread specifications, but compared to hex nuts, it is a one-piece gasket and nut, and has non-slip tooth patterns underneath, which increases the nut and the workpiece The surface area contact is stronger and stronger than the combination of ordinary nut and washer.  