Grade 2 SAE Flat Washer - Zinc (##) Number of Pieces in One PoundWashers are for assembly around a bolt or screw. Washers improve the stress distribution. USS washers meet the majority of industrial applications, in maintenance, repair and manufacturing. (Example: 1 pound of 1/4 flat washers will give you 217 pieces)DiameterInside DiameterOutside DiameterPieces per Pound#6.156.375740#8.188.438552#10 (3/16).220.504291/4.280.6252175/16.344.6882463/8.406.8121677/16.469.9221081/2.5311.062539/16.5941.156465/8.6561.312353/4.8121.469227/8