黑蛋

Black nuts: 1.Type: Black nuts. 2.Material: Carbon Steel, Alloy Steel,Stainless Steel. 3.Size: M3-M56, AS customer's requirement. 4.packing: Bulk in carton then pallet, or according to customer's requirements. 5.Special screw can be made according to customer's samples or drawings. 6.Standard:DIN,GB,JIS,ANSI,ISO,NFE. We are produce many kinds of screws and bolts and orther hard tools. We offer high quality products with competitiveprice and good service to all clients from the markrt of domestic and oversea. Please cantact us if you have any interests or requirements. Welcome your consulations and orders!