... ,GB,ISO,JIS colour bule,red yellow,green,goldSpecification screw: M4-M30Nut: M4-M24Washer: M4-M24Surface TreatmentPolishing,milling, AnodizingFeatureslight ... 10-15 daysProfessional as one of the leading titanium screw sets manufacturers, Titanium Industry is also well-known among ... those credible such suppliers in China. Equipped with a productive factory, we welcome you to ...