hex head lag bolt 1.Size :6*60,6*70,6*80,6*90, ... . h.d.g . p.l 3. Material : carton steel hex head lag bolt 1.Size :6*60,6*70,6*80,6 ... , plain .and etc...3. Material : carton steel grade 4.8 , grade 8.8 and stainless steel 4. Package : bulk ; pcs/ctn , pcs ... clients at home and abroad to enquire! hex head lag bolt