Brass bolts: 1.Type:Machine brass bolt. 2.Material:Alloy Steel,Carbon Steel,Stainless Steel. 3.Size:M3-M56,as to thr customer' requirements. 4.Packing:Bulk in carton then in pallet or under the instructions of the customer. 5.Standard:DIN,GB,JIS.ANSI. 6.Special screws and bolts can be made according to the customer's samples and drawings. We are produce variety of screws and bolts, and provide high qualityproductswith competitive price and good service to our customers from the market of domestic and oversea.Please contact us for any requirements and interests. Your consulations and orders will be highly appreciated!