50x NBR 21mm x 2.5mm Hole Sealing O Rings Gaskets Washers

Specification:

Product Name O Ring Material Nitrile Rubber(NBR) Quantity 50 ± 2% Pcs External Diameter 21mm / 0.826" Inner Diameter 16mm / 0.629" Thickness 2.5mm / 0.098" Color Black Weight 18g Package Content 50 x NBR O Ring Description:

• Excellent material for resistance to hostile chemical and oil environments at normal and elevated temperatures.
• Widely used on components, machinery components, bathroom facilities, household electrical appliances and electronic instruments, etc.