... nuts, rivets, stem nuts, shafts(axles, spline shafts, dart shafts),gears (pinions, wheels ) bearing, bearing seat, spring, connector, socket, bushing ... lead time (7-30days according to order qty) 4. Customized size and spec /OEM availablePackagesuitable for sea and air transportation ... properties and chemical elements according to your request High quality and have a certificate hardware products