About the buttered mouth
The grease nozzle is the simplest way of mechanical lubrication. It is divided into two parts: straight through type injection oil cup, joint type pressure injection oil cup, rotary cap type injection oil cup. For the connection between grease gun and mechanical equipment.
The butter gun must first connect the hose or the hard tube, and the pipe is connected to the Tsui on top. The Tsui is connected to the butter mouth, the other head of the butter mouth is threaded, and it is twisted on the mechanical equipment.
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