... 9.8,10.9........ Non Standard Fastener,Special Fastener,Iron Fastener.1.What’s the specification of our Products ... ,Aluminum are available.Carton steel is high quality iron,such as 1022,1018,1010,1008,1015...Medium ... head,Button head...Socket typePhillip type,Pozi type,Eleven type,hexagonal type,Torx type,trangle type,slotted point type,square type,Combined type...FinishZinc plated,Nickel plated, ...