Thickening nut classification: according to the standard number can be divided into GB55, GB56 (special thick nut), according to the different materials can be divided into high-strength thick nut and ordinary thick nut, according to the surface treatment can be divided into electroplated zinc thick nut, Hot-dip galvanized thick nut, Dacromet thick nut. The thickened nut (thickened nut) is the same as an ordinary nut. It is used together with a bolt. The difference is that the thickened nut thread is larger than the ordinary nut, and the contact area with the bolt is larger and can withstand greater pulling force than the ordinary nut. And lateral pressure. Therefore, it is commonly used in rail transportation, large-scale bridge construction, and large-scale mechanical equipment. Yongnian Qiyuan Fastener Co., Ltd. specializes in supplying thickened nuts and is committed to the construction of infrastructure.
Mini Rice Harvester
The mini rice harvester can be used to harvest rice, wheat and other grains.
Mini rice harvester can be worked in small piece of field, mountain land and hills, etc. The big advantage of the machine is safely,easy to operate, easy-moving.
Light weight,good trafficability, convenient to transfer,easy to maintain with simple structure. High reliability and easy operation.
Mini Rice Harvester,Rice Harvester Price,Paddy Harvesting Machine,Mini Rice Harvesting Machine
Henan Qianli Machinery Co.,Ltd. , https://www.hnchalion.com