... .prompt delivery time 3.large quantity online sales 4.super-precision StructureFeatures :Steel bronze powder with PTFE ... gives exceptionally high load carrying capacity, excellent heat dissipation. 4. Copper/Tin plating 0.002mm, provides good corrosion ... other construction, auto machines, specific uses in power steering cylinders, steering gear thrust washers, disc brakes, calipers and pistons, shock ...