... , Torx, Rice character type, One Way etc.MaterialCarbon steel, stainless steel, SS-304, SS-302, Aluminum, Brass, Bronze ... , medium carbon alloy steel etc.Surface TreatmentZn-plating, Ni-plating, Cr-plating ... South Asia, Africa AfricanHowto order* You send us drawing or sample* We carry through project assessment* ... of screw ,machine screw ,stainless steel screw and fasteners