【Safe & Durable】: Outer diameter: 16.5mm / 0.65"; Inner diameter: 11.6mm / 0.46"; Thickness: 1.5mm / 0.06". O-ring gaskets are made of fluorine rubber, which has excellent elasticity, flame retardant insulation, sealing performance, resistance to compression set, a wide operating temperature range (-20°C / -4°F to 200°C / 392°F), and is oil-resistant, heat-resistant, and wear-resistant.【Wide Application】: Flat washer are suitable for a variety of sealing applications, including piping, machinery, hydraulics, and pneumatics. Widely used for food processing, household appliances, automotive engines, industrial equipment, faucets, filters, hydraulic systems, and connections for air, gas, water, and oil.【Easy Install】: Metric fastening washers are easy to install, secure, and remove, and are not easily deformed.
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