Small Size Ss Nut with Knurling, Embossed Shenzhen Wandaan Precision Technology Co., Ltd. Base Info Model NO.:WDA-PT-0032Spare Part:High QualityScrew Liked Part:Customer CNC MachingSharp Screw:Metal PartTrademark:WandaanSpecification:RHOSOrigin:China Description Pre:Fully Automatic Wall Angle Roll Former with Punching Holes Next:Precision Turning Spare Part with Competitive Price