... . Aluminum: Al6061, Al60637.OEM according to your requestProducts Availablebolts, screws, nuts, rivets, stem nuts, shafts(axles, spline shafts, ... , galvanizing, satin, etc.Processing Methodcnc machining, turning, milling, drilling, grinding, broaching, welding and assemblyAdvantages1. Competitive price with good ... or as requiredCertificateISO9001:2008 Powder Coating black drilling metal part