hanger bolts 1. Size : 6*60,7*60,7*70,8*80,10*100,12*120... 2. Finish : z.p . ... .l hanger bolts1. Size : 6*60,7*60,7*70,8*80,10*100,12*120...2. Finish : zinc plated , ... zinc plated , white zinc plated 3.Material : carton steel grade 4.8 . grade 8.8 and stainless steel 5.Package : bulk : pcs/ctn , ... screw (with the external thread of the cylinder) a class of two-part fasteners, nuts with the need and for ...