... M01.0-4.0mm; material:steel,brass finish:Zn/Ni/Cr ISO9001,ISO14001,ISO16949 Watch case screwDiameter:M1.0-4 ... ISO14001,ISO16949Screws we can do product nameWatch case screwBrand NameYUEIMaterialstainless steel, steel, brass, etcSizeAll frequently-used size, produce as your ... steel,brass screw,nylok screw,shoulder screw,washer screw,colored head screw,water proof screw,hard disk screw,camera screw,watch ...