... .standardDIN, ASTM,JIS,BS,AS,ISO,GB,Nonstandard bolt(according to your order),etc3.MaterialCarbon Steel, Stainless Steel4.GradeA, 2, 5 ... or others.5.FinishZinc plated,Black,etc.6.Size M3-M100; ... 25-30days(Our delivery time should be according to your order); NE-54 45#/Stainless steel acme thread rod with single/many star