Metal Screw in precise size ,high qulity and perfect finish on surface. Metal Screw is made by ... ,3) Varuiys types 4) OEM is welcome. Features:Excellent and high quality control, competitive prices ,small order acceptabledelivery on-time ,OEM ... , sand casting3.different shapes and sizes are workable4.feature:high precision,high quality,reasonable price5.OEM&ODM service are availabe6.other sheet ...