... as GB,ISO.DIN.JIS,ANSI,BS,UNI,AS,etc and non-standard nuts;3.size range:Mm3-Mm36;4.we manufacture ... non-standard nuts according to customers'drawings or samples;5.grade: ... ,6.8,false 8.0 ,true 8.0,8.8 and etc;6.material:carbon steel(incude A3#,34#,45#,etc ...