... ,12*70,12*120,12*140...2. Material : stainless steel and carton steel grade 4.8 , grade 8.8 .3. Package : bulk ... ) a class of two-part fasteners, nuts with the need and for fastening with a hole connecting the two parts5. Our ... ”, starting a new “Double Win” situation. Welcome clients at home and abroad to enquire! zinc plated and carton steel carriage bolt with din603