carriage bolt 1.Szie M6-M22,1/4-7/8". 2.Finished: zinc,black,HDG,etc. 3.Grade: 4.8 8.8. SAE J429 grade 2 ,5 Carriage bolt1.Carriage bolt M6-M22,1/4"-7/8".Also can doing as the customer's drawing.2.Finished: zinc,black,HDG,etc.3.Package: 25KGS packed in carton,then 36 cartons in the pallet. Also can do small package as the client's need.4.Delivery time: 40 days after receiving your advance.Also ...