Metro Industries offer a full line of USA Manufactured Die Cut Standard Buna-N/NBR Rubber Washers to fit most Standard Screw Sizes.
Buna-N Material Properties
Our Standard Buna-N Rubber Washers are made from a Commercial Grade Buna-N. Commercial Grade Buna-N offers moderate oil resistance. Applications involving heavy exposure to petroleum based fluids such as grease, gasoline, hydraulic fluid or oil may require a High Grade Buna-N or Specification Grade Buna-N. Contact our Sales Staff if your application involves elements that may not be suitable for Commercial Grade Buna-N.