... ,brass finish:Zn/Ni/Cr ISO9001,ISO14001,ISO16949 Watch case screwDiameter:M1.0-4.0mm;material:stainless steelfinish:Zn/ ... Ni/CrISO9001,ISO14001,ISO16949Screws we can do product nameWatch case screwBrand NameYUEIMaterialstainless steel, steel, brass, etcSizeAll frequently-used size ... ,colored head screw,water proof screw,hard disk screw,camera screw,watch screw,precision shafts and pins.All diameter ...