... STOCK all kinds camera filter rings with threaded2. Feature: filter adapter ring , camera threaded rings , camera filter lens adapter, lens mount ... casting parts by different materials, including alloy, stainless steel, copper, aluminium, etc. Our machinesCNC lathes, auto lathe, CNC ... 77mm, 82mm etc. 58mm lens adapter ring, camera filter lens adapter, lens mount adapter 58mm camera threaded rings ...