... ACCORDING TO YOUR DRAWINGS---------------------------- Double End Stud 1. Standard of Double End Stud : ISO,JIS,GB,ANSI,BSW,DIN ... steel304,316,Alloy steel,Plastic3. Dimension of Double End Stud : M3-M1004. Surface treatment:: Zinc,Nickel plated,Black ... days or based on your quantity.8. Consistent quality control,ISO factory. Product ---------------------------WE CAN CUSTOMIZE THE SCREW ACCORDING ...