十字槽沉头机丝牙螺钉 Cross recessed countersunk head screw

十字槽沉头木螺钉 Cross recessed countersunk head wood screws

十字槽沉头三角牙螺钉 Cross recessed countersunk head triangular screw

十字槽沉头自攻牙螺钉 Cross recessed countersunk head tapping screws

十字槽沉头螺栓 sfhs

十字槽半沉头螺钉 Countersunk raised head screws with cross recess ; cross recessed raised countersunk head screw ; Product grade ; Countersunk raised head screws with type H or type Z cross recess--Product grade

十字槽半沉头机械螺钉 OVAL PHILLIPS