Brass screw: 1.Type:Brass screw and bolts. 2.Material:Alloy steel,Carbon steel,Stainless steel. 3.Siz:M3-M56,as to the customer's requirements. 4.Package:Bulk in carton then in pallet or under the instructions of the customer. 5.Standard:DIN,GB,JIS,ISO,ASNI,NFE. 6.Special screws,nuts and bolts can be made according to the clients' samples and drawings. Wehave produced variety of screws,nuts and bolts for many years and provided high quality products with competitive price and good service.Please contact us for any requirements and interests. Your consulations and orders will be highly appreciated!