titanium screw for glasses 1). size: as customers' requirement 2). delivery: within 10~20 days 3)MOQ:100pieces ISO 9001:200 titanium screw for glasses Dimensions: M2-24 Standard:DIN912,DIN931,DIN934,DIN7991,DIN965 Grade:Gr1,Gr2,Gr5,Gr7,Gr12 ISO 9001:2000Titanium screwDimensions: M2-24Standard:DIN912,DIN931,DIN934,DIN7991,DIN965Grade:Gr1,Gr2,Gr5,Gr7,Gr12ISO 9001:20001.Grade:Gr1,Gr2,Gr3,Gr4,Gr5,Gr7 ...