... SCREW ACCORDING TO YOUR DRAWINGS---------------------------- Cast-in Socket 1. Standard of Cast-in Socket : ISO,JIS,GB,ANSI,BSW,DIN or ... steel304,316,Alloy steel,Plastic3. Dimension of Cast-in Socket : M2-M564. Surface treatment:: zinc-plated,oxidation,painting ... time: Within 7 days or based on your quantity.8. Consistent quality control,ISO factory. Product ---------------------------WE CAN CUSTOMIZE ...