inner dia 73mm  
outer dia 82.5+-/0.20mm
countersunk head 4.75+-0.10
circular edge height  3.7+-0.08
lacquer : outer epoxy coating inner organosol or aluminum paste coating 
carton size 56x25.5x18cm   1500pcs / carton 
usage : tuna , tomato sauce meat , fruit , vegetable , dry food ect