6931-S-12,SHOULDER SCREWCLEAR ZINC5/16HD X
6931-S-2,SHOULDER SCREWCADMIUM QQ-P-416F-
【RAF Electronic Hardware】6931-SS,螺丝和紧固件 Shoulder Screw SS 8-32 5/16in
6931-SS-20,SHOULDER SCREWPASSIVATE5/16HD X
69320,
693201,
69321,
693211,