High-Quality Metric EPDM Rubber Flat Washers Size: Inner Diameter (ID): 13mm Outer Diameter (OD): 25mm Thickness: 3mm Durometer: 60 +/- 5% Pack Options: Available in 12, 24, 48, and 100 packs Premium Grade Rubber for Exterior Use: Ideal for various applications with different types of fasteners Excellent as vibration dampers, spacers, springs, or gaskets Suitable for exterior use with premium grade rubber Versatile Applications: Support threaded fasteners, especially in the construction industry Absorb vibration, seal fluid and liquid connections in compressors Absorb shocks and insulate electric motors Ideal for Various Industries: Benefit plumbing, HVAC systems, pools, boats, and aquatic products Insulate against electric charges for electronic and thermal applications Shock-absorbing properties make them valuable in machinery with moving parts EPDM Rubber Characteristics: Provides excellent resistance to: Fresh and sea water Oxidation Ultraviolet rays Ozone damage Ageing and weathering Excellent Sealing Applications: Suited to a wide range of sealing applications Versatile in temperature considerations or compression rates Color and Cost-Performance Balance: Supplied in black color Offers an excellent balance between cost and performance Customer Satisfaction Guarantee: 100% Customer Satisfaction Guarantee Fast and Free Shipping