Brass screw: 1.Type:Machine and Auto brass bolts and screws. 2.Material:Alloy Steel,Carbon Steel,Stainless Steel. 3.Size:M3-M56,as to the customer's requirements. 4.Package:Bulk in carton then in pallet or uder the instuctions of the clients. 5.Standar:DIN,ANSI,JIS,ISO,NFE,GB. 6.Special screws,nuts and boltscan be made according to the customer's samples and drawings. We have been producing variety of screws,nuts and bolts for many years and providing high quality products with competitive price and good service to our customers from the market of demostic and oversea.Please contact us for any requirements and intherests. Your consulations and orders will be highly appreciated!