... :steel,brass finish:Zn/Ni/Cr ISO9001,ISO14001,ISO16949 Watch case screwDiameter:M1.0-4.0mm;material:stainless steelfinish:Zn ... very high qualityPackingAs you requiredDelivery21-60 daysPaymentT/T,L/CSpecificationsVarious shape size according to client’s requirementServiceIf you have any ... screw,water proof screw,hard disk screw,camera screw,watch screw,precision shafts and pins.All diameter rang from ...