The washer is placed between the bearing surface of bolts, screws, nuts, etc. and the workpiece bearing surface to prevent loosening and reduce the stress on the bearing surface.
Ordinarily comprising of a straightened, round or plate-moulded piece of metal with an opening in the centre, washers are often utilised related to the strung clasp. Before a strung clasp like a screw is crashed into a surface, a washer might be put through the end.
Nitrile is commonly used in the construction of seals, including O-rings. Nitrile O-rings are ring-shaped seals. They are made of nitrile, which is an elastomer that's able to expand and contract in response to temperature changes. It's essentially a copolymer of butadiene and acrylonitrile. While O-rings are available in other materials, nitrile O-rings offer some attractive benefits.
