Power tool housings are made of two major types 

Power tool housings are made of two major types 

1, office swivel chair base is generally composed of five star feet or four star feet and other components. Although the support of office swivel chair is relatively simple, but we should pay attention to the quality of each accessory to pass, otherwise not only affect the service life of the chair, but also the lower quality of the accessories are easy to cause danger. 

It’s commonly used in the base of office swivel chair. From the material classification can be divided into steel five-star foot, aluminum alloy five-star foot, stainless steel five-star foot and nylon five-star foot. From the shape is generally divided into: four feet and five feet. 

Nylon pellet is wide use in office set , such as chair , and the compound PA6 with GF is popular using chair base. The main feature is strong enough to hold during sitting . beside chair base , the chair arm holder also use nylon pellets ( polyamide 6 with GF )