... 3.Grade:4.8 ,6.8,8.8,9.8... BIG HEAD SCREW,WASHER HEAD WOO SCREW,SCREW .A good non ... ,Ball head,Button head...Socket typesPhillip type,Pozi type,Eleven type,hexagonal type,Torx type,trangle type,slotted point type,square type,Combined type...FinishZinc plated,Nickel plated,Dacroment Plated ... ROHS Standard.Weight and Measurment 1)Quantity in a plastic bag as per Screw's Size; 2)it is packed 22kg ...