... control #Professional service #One stop solution 3/8" screw for audio system(stainless steel fastener) MMT has been supplying a broad range ... -standard fasteners like bolts, screws, stud, nuts, washer self tapping screw, wood screw, pin, rivets, self-clinching nuts, self-clinching standoffs to ... optimal volume to reduce your total purchasing cost. 3/8" screw for audio system(stainless steel fastener)