... industry, such as casting machine, mining machinery, shipping, steam turbine, etc.3.Features:1. Without pre-lubrication required2. Able to ... interchangeable.Selflubricating bushings contain graphite plugs which are impregnated with oil. When the bushingsreach 80-90°F as a result ... Sell):All kinds of mould parts, self-lubricating pieces, oil-free parts, oilless guide bushings, oilless guide pins, Copper ...