Simple sliding roller for aluminum door series,using ultra quiet bearings and high strength abrasion resistant nylon plastic,according to the different quality requirements can be done stainless steel process or high-grade paint process.Product has a stronger anti corrosion,wear-resisting,quiet and durable cfharacteristics.Widely used in various types of aluminum frame door and partition door.
.High precision bearings and high quality plastic;
.304 stainless steel material and surface drawing treatment,good anti-rust and oxidation resistance;
.Outside screw shaft design ,smoothly and easy to install.