... 8,9.8.. Non Standard Bolts,Non Standard Hardware,USA Bolts And Nuts.1.What’s the specification of ... ,Copper,Aluminum are available.Carton steel is high quality iron,such as 1022,1018,1010,1008 ... ,trangle type,slotted point type,square type,Combined type...FinishZinc plated,Nickel plated,Dacroment Plated ... match with machine,furniture ,drywall ,wood and so on.4. We have strict quality control from producing ...