... produce items as your drawing,samples,also according to DIN/ISO/JIS/BS/ANSI standard.2.Material:Steel/Stainless steel/Brass ... ,Cheese,C.S.K,Oval,Hexagon,Hexagon washer,Pan washer,Flange,Square,T head,etc.3.Drive of screw :Torx/6 ... oxide, phosphate black, Zinc plating,Nickel,Chrome,Tin,Zn-Ni alloy,Delat,Geomet,Dacromet,ect.Stainless steel&Brass:Clean+passivationFinial we ...