... & technical heat treatment -Excellent quality -Self-marketing,reasonable price U bolt,U-sharp bolt,u-bolt for HinoFeatures: 1) High strengthen: grade4.8 ... , zinc plated, phosphate, electrophoresis,dacromet, etc.5)Inner packing:Each U bolt with one plastic bag and 4-5pcs in one ... .W.: 25 - 32kg/box Satisfactory Service:1. We can produce U bolts as per your engineering drawing and/or samples.2 ...