Detailed Product Description Nonstandard partsWe can provide all kinds of special thread screws or produce according to customers'drawings and/or samples.1) Size: According to Clients' Drawing or need2) Material: Stainless steel(A2,A4..), carbon steel, spring steel,65Mn,Brass .....3) Surface:Zinc plating,black,quenching.......4) Package: Export carton+ pallet