... . OEM is available. SGA High Strength Ring Grooved Rivet and Lock Collar Q/BKGJ2-2009 Specification 1.Main Size: According to ... dip galvanizing, Dacromet,etc. 5. An inquiry shall include product name, standard, size, property class, surface treatment, quantity, packaging and other ... CenterEquipmentsQuality SystemProject Achievments SGA High Strength Ring Grooved Rivet and Lock Collar Q/BKGJ2-2009