Carriage Bolts with dowel thread *Diameter:5mm-20mm *Length:16mm-300mm *Material:Q195,#1035,#1045, ... ,1/4"-3/4"Length:16mm-300mm,5/8"-12"Thread:MM,UNC,UNF,BSWGrade:4.8,5.8,6.8 ... .GPacking:Carton,Small Box,Bag,Pallet Carriage Bolts with dowel thread