... CUSTOMIZE THE SCREW ACCORDING TO YOUR DRAWINGS---------------------------- Cast-in Socket 1. Standard of Cast-in Socket : ISO,JIS,GB,ANSI,BSW,DIN ... Material :Carbon steel,Stainless steel304,316,Alloy steel,Plastic3. Dimension of Cast-in Socket : M2-M564. Surface treatment:: zinc-plated,oxidation,painting ... WE CAN CUSTOMIZE THE SCREW ACCORDING TO YOUR DRAWINGS---------------------------- Cast-in Socket