... Product details(1) Item name: Heavy-duty Ball Bearing Hinges with Zinc Plated (2) Material: Steel(3) Size: 106* ... cold rolled, strip steel), stainless steel, aluminum, brass, etc 2. Stamping, punching, bending, welding, threading, grinding, milling, machining, lathe, ... specification pls do not hesitate to contact us,OEM & ODM Service, Buyer Label, Design service were offered, any feed back from you are ...