... 0~M4.02.High Precision screw3.Be used in high end industries like hard disk,camera,electronics,etc 4.ISO9001,ISO14001, ... precision screw Featured product:High precision screws,machine screw,hard disk screws,self tapping screw,nylock patch screw,waterproof sealing ... taping screw7. Short lead time8. Be used in high end industries like hard disk,camera,electronics,etcall kinds of screwCompany Profile ...